Search (568 results, page 1 of 29)

  • × year_i:[1990 TO 2000}
  • × theme_ss:"OPAC"
  1. Peters, T.A.: ¬The online catalog : A critical examination of public use (1991) 0.24
    0.23937386 = product of:
      0.38299817 = sum of:
        0.047231287 = weight(_text_:retrieval in 818) [ClassicSimilarity], result of:
          0.047231287 = score(doc=818,freq=4.0), product of:
            0.124912694 = queryWeight, product of:
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.041294612 = queryNorm
            0.37811437 = fieldWeight in 818, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.0625 = fieldNorm(doc=818)
        0.05927678 = weight(_text_:use in 818) [ClassicSimilarity], result of:
          0.05927678 = score(doc=818,freq=6.0), product of:
            0.12644777 = queryWeight, product of:
              3.0620887 = idf(docFreq=5623, maxDocs=44218)
              0.041294612 = queryNorm
            0.4687847 = fieldWeight in 818, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              3.0620887 = idf(docFreq=5623, maxDocs=44218)
              0.0625 = fieldNorm(doc=818)
        0.017850775 = weight(_text_:of in 818) [ClassicSimilarity], result of:
          0.017850775 = score(doc=818,freq=8.0), product of:
            0.06457475 = queryWeight, product of:
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.041294612 = queryNorm
            0.27643585 = fieldWeight in 818, product of:
              2.828427 = tf(freq=8.0), with freq of:
                8.0 = termFreq=8.0
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.0625 = fieldNorm(doc=818)
        0.18729854 = sum of:
          0.024969954 = weight(_text_:on in 818) [ClassicSimilarity], result of:
            0.024969954 = score(doc=818,freq=4.0), product of:
              0.090823986 = queryWeight, product of:
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.041294612 = queryNorm
              0.27492687 = fieldWeight in 818, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.0625 = fieldNorm(doc=818)
          0.16232859 = weight(_text_:line in 818) [ClassicSimilarity], result of:
            0.16232859 = score(doc=818,freq=4.0), product of:
              0.23157367 = queryWeight, product of:
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.041294612 = queryNorm
              0.7009803 = fieldWeight in 818, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.0625 = fieldNorm(doc=818)
        0.071340814 = product of:
          0.14268163 = sum of:
            0.14268163 = weight(_text_:computers in 818) [ClassicSimilarity], result of:
              0.14268163 = score(doc=818,freq=4.0), product of:
                0.21710795 = queryWeight, product of:
                  5.257537 = idf(docFreq=625, maxDocs=44218)
                  0.041294612 = queryNorm
                0.6571921 = fieldWeight in 818, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  5.257537 = idf(docFreq=625, maxDocs=44218)
                  0.0625 = fieldNorm(doc=818)
          0.5 = coord(1/2)
      0.625 = coord(5/8)
    
    COMPASS
    Information retrieval / Use of / On-line computers
    Footnote
    Rez. in: College and research libraries 52(1991) S.590-591 (F. Wilson); Journal of academic librarianship 18(1992) no.1, S-40-42 (M.D. Behr)
    Subject
    Information retrieval / Use of / On-line computers
  2. Groeninger, B.J.J.O.: On-line / off-line interfaces en gebruikers- (on)vriendelijkheid (1993) 0.14
    0.14119703 = product of:
      0.28239405 = sum of:
        0.033397563 = weight(_text_:retrieval in 2111) [ClassicSimilarity], result of:
          0.033397563 = score(doc=2111,freq=2.0), product of:
            0.124912694 = queryWeight, product of:
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.041294612 = queryNorm
            0.26736724 = fieldWeight in 2111, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.0625 = fieldNorm(doc=2111)
        0.03422346 = weight(_text_:use in 2111) [ClassicSimilarity], result of:
          0.03422346 = score(doc=2111,freq=2.0), product of:
            0.12644777 = queryWeight, product of:
              3.0620887 = idf(docFreq=5623, maxDocs=44218)
              0.041294612 = queryNorm
            0.27065295 = fieldWeight in 2111, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.0620887 = idf(docFreq=5623, maxDocs=44218)
              0.0625 = fieldNorm(doc=2111)
        0.021862645 = weight(_text_:of in 2111) [ClassicSimilarity], result of:
          0.021862645 = score(doc=2111,freq=12.0), product of:
            0.06457475 = queryWeight, product of:
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.041294612 = queryNorm
            0.33856338 = fieldWeight in 2111, product of:
              3.4641016 = tf(freq=12.0), with freq of:
                12.0 = termFreq=12.0
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.0625 = fieldNorm(doc=2111)
        0.1929104 = sum of:
          0.030581824 = weight(_text_:on in 2111) [ClassicSimilarity], result of:
            0.030581824 = score(doc=2111,freq=6.0), product of:
              0.090823986 = queryWeight, product of:
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.041294612 = queryNorm
              0.33671528 = fieldWeight in 2111, product of:
                2.4494898 = tf(freq=6.0), with freq of:
                  6.0 = termFreq=6.0
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.0625 = fieldNorm(doc=2111)
          0.16232859 = weight(_text_:line in 2111) [ClassicSimilarity], result of:
            0.16232859 = score(doc=2111,freq=4.0), product of:
              0.23157367 = queryWeight, product of:
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.041294612 = queryNorm
              0.7009803 = fieldWeight in 2111, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.0625 = fieldNorm(doc=2111)
      0.5 = coord(4/8)
    
    Abstract
    Modern online information systems have been criticized as being too complicated for the average information seeker. To overcome this problem interfaces have been developed to assist users at all stages of the information transfer process from searching to analysis and evaluation of retrieval data. However, the effectiveness of an interface will depend on the skills of the user. Further development of interfaces will be aided by the use of Windows and mouse controlled systems
  3. Cherry, J.M.; Clinton, M.: ¬An experimental investigation of two types of instruction for OPAC users (1991) 0.14
    0.13737904 = product of:
      0.27475807 = sum of:
        0.03422346 = weight(_text_:use in 3098) [ClassicSimilarity], result of:
          0.03422346 = score(doc=3098,freq=2.0), product of:
            0.12644777 = queryWeight, product of:
              3.0620887 = idf(docFreq=5623, maxDocs=44218)
              0.041294612 = queryNorm
            0.27065295 = fieldWeight in 3098, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.0620887 = idf(docFreq=5623, maxDocs=44218)
              0.0625 = fieldNorm(doc=3098)
        0.025244808 = weight(_text_:of in 3098) [ClassicSimilarity], result of:
          0.025244808 = score(doc=3098,freq=16.0), product of:
            0.06457475 = queryWeight, product of:
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.041294612 = queryNorm
            0.39093933 = fieldWeight in 3098, product of:
              4.0 = tf(freq=16.0), with freq of:
                16.0 = termFreq=16.0
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.0625 = fieldNorm(doc=3098)
        0.1929104 = sum of:
          0.030581824 = weight(_text_:on in 3098) [ClassicSimilarity], result of:
            0.030581824 = score(doc=3098,freq=6.0), product of:
              0.090823986 = queryWeight, product of:
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.041294612 = queryNorm
              0.33671528 = fieldWeight in 3098, product of:
                2.4494898 = tf(freq=6.0), with freq of:
                  6.0 = termFreq=6.0
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.0625 = fieldNorm(doc=3098)
          0.16232859 = weight(_text_:line in 3098) [ClassicSimilarity], result of:
            0.16232859 = score(doc=3098,freq=4.0), product of:
              0.23157367 = queryWeight, product of:
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.041294612 = queryNorm
              0.7009803 = fieldWeight in 3098, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.0625 = fieldNorm(doc=3098)
        0.0223794 = product of:
          0.0447588 = sum of:
            0.0447588 = weight(_text_:22 in 3098) [ClassicSimilarity], result of:
              0.0447588 = score(doc=3098,freq=2.0), product of:
                0.1446067 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.041294612 = queryNorm
                0.30952093 = fieldWeight in 3098, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0625 = fieldNorm(doc=3098)
          0.5 = coord(1/2)
      0.5 = coord(4/8)
    
    Abstract
    Reports an investigation into the feasibility of usinf tutorials to train students to use on-line public access catalogues (OPACs). The library developed instructional software which conveys a conceptual model of an on-line catalogue and how it works. Reports the results of an experiment conducted to compare the effectiveness of the computer tutorial and the standard introductory classroom lecture on using the OPAC at the University of Toronto
    Source
    Canadian journal of information science. 16(1991) no.4, S.2-22
  4. Harman, D.: User-friendly systems instead of user-friendly front-ends (1992) 0.12
    0.118352026 = product of:
      0.23670405 = sum of:
        0.06534432 = weight(_text_:retrieval in 3323) [ClassicSimilarity], result of:
          0.06534432 = score(doc=3323,freq=10.0), product of:
            0.124912694 = queryWeight, product of:
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.041294612 = queryNorm
            0.5231199 = fieldWeight in 3323, product of:
              3.1622777 = tf(freq=10.0), with freq of:
                10.0 = termFreq=10.0
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.0546875 = fieldNorm(doc=3323)
        0.029945528 = weight(_text_:use in 3323) [ClassicSimilarity], result of:
          0.029945528 = score(doc=3323,freq=2.0), product of:
            0.12644777 = queryWeight, product of:
              3.0620887 = idf(docFreq=5623, maxDocs=44218)
              0.041294612 = queryNorm
            0.23682132 = fieldWeight in 3323, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.0620887 = idf(docFreq=5623, maxDocs=44218)
              0.0546875 = fieldNorm(doc=3323)
        0.019129815 = weight(_text_:of in 3323) [ClassicSimilarity], result of:
          0.019129815 = score(doc=3323,freq=12.0), product of:
            0.06457475 = queryWeight, product of:
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.041294612 = queryNorm
            0.29624295 = fieldWeight in 3323, product of:
              3.4641016 = tf(freq=12.0), with freq of:
                12.0 = termFreq=12.0
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.0546875 = fieldNorm(doc=3323)
        0.12228439 = sum of:
          0.02184871 = weight(_text_:on in 3323) [ClassicSimilarity], result of:
            0.02184871 = score(doc=3323,freq=4.0), product of:
              0.090823986 = queryWeight, product of:
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.041294612 = queryNorm
              0.24056101 = fieldWeight in 3323, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.0546875 = fieldNorm(doc=3323)
          0.10043568 = weight(_text_:line in 3323) [ClassicSimilarity], result of:
            0.10043568 = score(doc=3323,freq=2.0), product of:
              0.23157367 = queryWeight, product of:
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.041294612 = queryNorm
              0.4337094 = fieldWeight in 3323, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.0546875 = fieldNorm(doc=3323)
      0.5 = coord(4/8)
    
    Abstract
    Most commercial on-line information retrieval systems are not designed to service end users and, therefore, have often built front-ends to their systems specifically to serve the end user market. These front ends have not been well accepted, mostly because the underlying systems are still difficult for end users to use successfully in searching. New techniques, based on statistical methods, that allow natural language input and return lists of records in order of likely relevance, have long been available from research laboratories. Presents 4 prototype implementations of these statistical retrieval systems that demonstrate their potential as powerful and easily used retrieval systems able to service all users. The systems consist of: the PRISE system; the CITE system; the Muscat system; and the News Retrieval Tool
    Object
    News Retrieval Tool
    Source
    Journal of the American Society for Information Science. 43(1992), S.164-174
  5. Wikstrom, L.: LIBRIS menu search : the way we did it (1991) 0.12
    0.11825688 = product of:
      0.3153517 = sum of:
        0.011156735 = weight(_text_:of in 2643) [ClassicSimilarity], result of:
          0.011156735 = score(doc=2643,freq=2.0), product of:
            0.06457475 = queryWeight, product of:
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.041294612 = queryNorm
            0.17277241 = fieldWeight in 2643, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.078125 = fieldNorm(doc=2643)
        0.241138 = sum of:
          0.03822728 = weight(_text_:on in 2643) [ClassicSimilarity], result of:
            0.03822728 = score(doc=2643,freq=6.0), product of:
              0.090823986 = queryWeight, product of:
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.041294612 = queryNorm
              0.4208941 = fieldWeight in 2643, product of:
                2.4494898 = tf(freq=6.0), with freq of:
                  6.0 = termFreq=6.0
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.078125 = fieldNorm(doc=2643)
          0.20291072 = weight(_text_:line in 2643) [ClassicSimilarity], result of:
            0.20291072 = score(doc=2643,freq=4.0), product of:
              0.23157367 = queryWeight, product of:
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.041294612 = queryNorm
              0.87622535 = fieldWeight in 2643, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.078125 = fieldNorm(doc=2643)
        0.06305697 = product of:
          0.12611394 = sum of:
            0.12611394 = weight(_text_:computers in 2643) [ClassicSimilarity], result of:
              0.12611394 = score(doc=2643,freq=2.0), product of:
                0.21710795 = queryWeight, product of:
                  5.257537 = idf(docFreq=625, maxDocs=44218)
                  0.041294612 = queryNorm
                0.58088124 = fieldWeight in 2643, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  5.257537 = idf(docFreq=625, maxDocs=44218)
                  0.078125 = fieldNorm(doc=2643)
          0.5 = coord(1/2)
      0.375 = coord(3/8)
    
    Abstract
    Describes a user interface to the LIBRIS on-line union catalogue OPAC system, based on personal computers used as terminals. LIBRIS is an on-line union catalogue designed for Swedish research and special libraries
    Source
    OPACs and the user: Proc. of the 3rd Anglo-Nordic seminar, Apr. 90
  6. Jakobsen, E.: On-line public access catalogue (1992) 0.12
    0.117729865 = product of:
      0.3139463 = sum of:
        0.06049911 = weight(_text_:use in 3097) [ClassicSimilarity], result of:
          0.06049911 = score(doc=3097,freq=4.0), product of:
            0.12644777 = queryWeight, product of:
              3.0620887 = idf(docFreq=5623, maxDocs=44218)
              0.041294612 = queryNorm
            0.47845137 = fieldWeight in 3097, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.0620887 = idf(docFreq=5623, maxDocs=44218)
              0.078125 = fieldNorm(doc=3097)
        0.019324033 = weight(_text_:of in 3097) [ClassicSimilarity], result of:
          0.019324033 = score(doc=3097,freq=6.0), product of:
            0.06457475 = queryWeight, product of:
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.041294612 = queryNorm
            0.2992506 = fieldWeight in 3097, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.078125 = fieldNorm(doc=3097)
        0.23412317 = sum of:
          0.031212443 = weight(_text_:on in 3097) [ClassicSimilarity], result of:
            0.031212443 = score(doc=3097,freq=4.0), product of:
              0.090823986 = queryWeight, product of:
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.041294612 = queryNorm
              0.3436586 = fieldWeight in 3097, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.078125 = fieldNorm(doc=3097)
          0.20291072 = weight(_text_:line in 3097) [ClassicSimilarity], result of:
            0.20291072 = score(doc=3097,freq=4.0), product of:
              0.23157367 = queryWeight, product of:
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.041294612 = queryNorm
              0.87622535 = fieldWeight in 3097, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.078125 = fieldNorm(doc=3097)
      0.375 = coord(3/8)
    
    Abstract
    Describes the background to the setting up of the on-line public access catalogues (OPAC) of the Cape Provincial Library Service, which is now available for use. Discusses its use, advantages, disadvantages and problems, more about searching and some other special features of the OPAC
  7. Henry, M.K.; Keenan, L.; Reagan, M.: Search sheets for OPACs on the internet : a selective guide to U.S. OPACs utilizing VT100 emulation (1991) 0.09
    0.09181298 = product of:
      0.36725193 = sum of:
        0.241138 = sum of:
          0.03822728 = weight(_text_:on in 7061) [ClassicSimilarity], result of:
            0.03822728 = score(doc=7061,freq=6.0), product of:
              0.090823986 = queryWeight, product of:
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.041294612 = queryNorm
              0.4208941 = fieldWeight in 7061, product of:
                2.4494898 = tf(freq=6.0), with freq of:
                  6.0 = termFreq=6.0
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.078125 = fieldNorm(doc=7061)
          0.20291072 = weight(_text_:line in 7061) [ClassicSimilarity], result of:
            0.20291072 = score(doc=7061,freq=4.0), product of:
              0.23157367 = queryWeight, product of:
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.041294612 = queryNorm
              0.87622535 = fieldWeight in 7061, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.078125 = fieldNorm(doc=7061)
        0.12611394 = product of:
          0.25222787 = sum of:
            0.25222787 = weight(_text_:computers in 7061) [ClassicSimilarity], result of:
              0.25222787 = score(doc=7061,freq=8.0), product of:
                0.21710795 = queryWeight, product of:
                  5.257537 = idf(docFreq=625, maxDocs=44218)
                  0.041294612 = queryNorm
                1.1617625 = fieldWeight in 7061, product of:
                  2.828427 = tf(freq=8.0), with freq of:
                    8.0 = termFreq=8.0
                  5.257537 = idf(docFreq=625, maxDocs=44218)
                  0.078125 = fieldNorm(doc=7061)
          0.5 = coord(1/2)
      0.25 = coord(2/8)
    
    COMPASS
    Libraries / On-line computers
    Footnote
    Rez. in: Computers in libraries 12(1992) no.2, S.46 (W.E. Drew)
    Series
    Supplements to computers in libraries; 32
    Subject
    Libraries / On-line computers
  8. Nuotio, S.: Helsinki Metropolitan Area Library Network 1989 (1991) 0.09
    0.088798255 = product of:
      0.23679535 = sum of:
        0.04277933 = weight(_text_:use in 2657) [ClassicSimilarity], result of:
          0.04277933 = score(doc=2657,freq=2.0), product of:
            0.12644777 = queryWeight, product of:
              3.0620887 = idf(docFreq=5623, maxDocs=44218)
              0.041294612 = queryNorm
            0.3383162 = fieldWeight in 2657, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.0620887 = idf(docFreq=5623, maxDocs=44218)
              0.078125 = fieldNorm(doc=2657)
        0.019324033 = weight(_text_:of in 2657) [ClassicSimilarity], result of:
          0.019324033 = score(doc=2657,freq=6.0), product of:
            0.06457475 = queryWeight, product of:
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.041294612 = queryNorm
            0.2992506 = fieldWeight in 2657, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.078125 = fieldNorm(doc=2657)
        0.17469199 = sum of:
          0.031212443 = weight(_text_:on in 2657) [ClassicSimilarity], result of:
            0.031212443 = score(doc=2657,freq=4.0), product of:
              0.090823986 = queryWeight, product of:
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.041294612 = queryNorm
              0.3436586 = fieldWeight in 2657, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.078125 = fieldNorm(doc=2657)
          0.14347954 = weight(_text_:line in 2657) [ClassicSimilarity], result of:
            0.14347954 = score(doc=2657,freq=2.0), product of:
              0.23157367 = queryWeight, product of:
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.041294612 = queryNorm
              0.61958486 = fieldWeight in 2657, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.078125 = fieldNorm(doc=2657)
      0.375 = coord(3/8)
    
    Abstract
    Reports very briefly on the Helsinki Metropolitan Area Public Library Network (consisting of 4 independent public libraries) and their use of the common Finnish thesaurus for libraries as the main tool for searching the on-line catalogue (OPAC))
    Source
    OPACs and the user: Proc. of the 3rd Anglo-Nordic seminar, Apr. 90
  9. Nuttall, H.D.; McAbee, S.L.: Pathfinders on-line : adding pathfinders to a NOTIS on-line system (1997) 0.08
    0.08442643 = product of:
      0.22513716 = sum of:
        0.0154592255 = weight(_text_:of in 510) [ClassicSimilarity], result of:
          0.0154592255 = score(doc=510,freq=6.0), product of:
            0.06457475 = queryWeight, product of:
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.041294612 = queryNorm
            0.23940048 = fieldWeight in 510, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.0625 = fieldNorm(doc=510)
        0.18729854 = sum of:
          0.024969954 = weight(_text_:on in 510) [ClassicSimilarity], result of:
            0.024969954 = score(doc=510,freq=4.0), product of:
              0.090823986 = queryWeight, product of:
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.041294612 = queryNorm
              0.27492687 = fieldWeight in 510, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.0625 = fieldNorm(doc=510)
          0.16232859 = weight(_text_:line in 510) [ClassicSimilarity], result of:
            0.16232859 = score(doc=510,freq=4.0), product of:
              0.23157367 = queryWeight, product of:
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.041294612 = queryNorm
              0.7009803 = fieldWeight in 510, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.0625 = fieldNorm(doc=510)
        0.0223794 = product of:
          0.0447588 = sum of:
            0.0447588 = weight(_text_:22 in 510) [ClassicSimilarity], result of:
              0.0447588 = score(doc=510,freq=2.0), product of:
                0.1446067 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.041294612 = queryNorm
                0.30952093 = fieldWeight in 510, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0625 = fieldNorm(doc=510)
          0.5 = coord(1/2)
      0.375 = coord(3/8)
    
    Abstract
    For decades print pathfinders have complemented card catalogues and been useful reference tools. They are overlooked as components of online catalogues, even though they can extend the depth of the catalogue. To encourage librarians to consider integrating pathfinders into online catalogues discusses problems in OPAC searching, describes the value and styles of pathfinders, and illustrates how to include them in a NOTIS system
    Date
    27.11.1995 17:07:22
  10. Integrated online library catalogs (1991) 0.08
    0.08405523 = product of:
      0.33622092 = sum of:
        0.26488012 = sum of:
          0.035312846 = weight(_text_:on in 665) [ClassicSimilarity], result of:
            0.035312846 = score(doc=665,freq=8.0), product of:
              0.090823986 = queryWeight, product of:
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.041294612 = queryNorm
              0.3888053 = fieldWeight in 665, product of:
                2.828427 = tf(freq=8.0), with freq of:
                  8.0 = termFreq=8.0
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.0625 = fieldNorm(doc=665)
          0.22956727 = weight(_text_:line in 665) [ClassicSimilarity], result of:
            0.22956727 = score(doc=665,freq=8.0), product of:
              0.23157367 = queryWeight, product of:
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.041294612 = queryNorm
              0.9913358 = fieldWeight in 665, product of:
                2.828427 = tf(freq=8.0), with freq of:
                  8.0 = termFreq=8.0
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.0625 = fieldNorm(doc=665)
        0.071340814 = product of:
          0.14268163 = sum of:
            0.14268163 = weight(_text_:computers in 665) [ClassicSimilarity], result of:
              0.14268163 = score(doc=665,freq=4.0), product of:
                0.21710795 = queryWeight, product of:
                  5.257537 = idf(docFreq=625, maxDocs=44218)
                  0.041294612 = queryNorm
                0.6571921 = fieldWeight in 665, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  5.257537 = idf(docFreq=625, maxDocs=44218)
                  0.0625 = fieldNorm(doc=665)
          0.5 = coord(1/2)
      0.25 = coord(2/8)
    
    COMPASS
    Libraries / On-line computers
    LCSH
    Catalogs, On / line
    Subject
    Catalogs, On / line
    Libraries / On-line computers
  11. Jeffreys, A.: OPAC use at Newcastle (1991) 0.08
    0.07529892 = product of:
      0.20079711 = sum of:
        0.048399284 = weight(_text_:use in 2644) [ClassicSimilarity], result of:
          0.048399284 = score(doc=2644,freq=4.0), product of:
            0.12644777 = queryWeight, product of:
              3.0620887 = idf(docFreq=5623, maxDocs=44218)
              0.041294612 = queryNorm
            0.3827611 = fieldWeight in 2644, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.0620887 = idf(docFreq=5623, maxDocs=44218)
              0.0625 = fieldNorm(doc=2644)
        0.019957775 = weight(_text_:of in 2644) [ClassicSimilarity], result of:
          0.019957775 = score(doc=2644,freq=10.0), product of:
            0.06457475 = queryWeight, product of:
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.041294612 = queryNorm
            0.3090647 = fieldWeight in 2644, product of:
              3.1622777 = tf(freq=10.0), with freq of:
                10.0 = termFreq=10.0
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.0625 = fieldNorm(doc=2644)
        0.13244006 = sum of:
          0.017656423 = weight(_text_:on in 2644) [ClassicSimilarity], result of:
            0.017656423 = score(doc=2644,freq=2.0), product of:
              0.090823986 = queryWeight, product of:
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.041294612 = queryNorm
              0.19440265 = fieldWeight in 2644, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.0625 = fieldNorm(doc=2644)
          0.11478364 = weight(_text_:line in 2644) [ClassicSimilarity], result of:
            0.11478364 = score(doc=2644,freq=2.0), product of:
              0.23157367 = queryWeight, product of:
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.041294612 = queryNorm
              0.4956679 = fieldWeight in 2644, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.0625 = fieldNorm(doc=2644)
      0.375 = coord(3/8)
    
    Abstract
    First experiences with OCLC's LS/2000 on-line public access catalogues (OPAC), at Newcastle upon Tyne University Library have been reported (see Program 20(1986) no.2, S.151-163). Presents a brief account of the different modes of help available to users of LS/2000 and the Network OPAC (developed by Cambridge University Library using its CATS software), and statistics about the use of these 2 systems
    Source
    OPACs and the user: Proc. of the 3rd Anglo-Nordic seminar, Apr. 90
  12. Riehm, S.M.: ¬A first look at FirstSearch (1992) 0.07
    0.07348439 = product of:
      0.19595838 = sum of:
        0.025667597 = weight(_text_:use in 2345) [ClassicSimilarity], result of:
          0.025667597 = score(doc=2345,freq=2.0), product of:
            0.12644777 = queryWeight, product of:
              3.0620887 = idf(docFreq=5623, maxDocs=44218)
              0.041294612 = queryNorm
            0.20298971 = fieldWeight in 2345, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.0620887 = idf(docFreq=5623, maxDocs=44218)
              0.046875 = fieldNorm(doc=2345)
        0.018933605 = weight(_text_:of in 2345) [ClassicSimilarity], result of:
          0.018933605 = score(doc=2345,freq=16.0), product of:
            0.06457475 = queryWeight, product of:
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.041294612 = queryNorm
            0.2932045 = fieldWeight in 2345, product of:
              4.0 = tf(freq=16.0), with freq of:
                16.0 = termFreq=16.0
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.046875 = fieldNorm(doc=2345)
        0.15135717 = sum of:
          0.029610723 = weight(_text_:on in 2345) [ClassicSimilarity], result of:
            0.029610723 = score(doc=2345,freq=10.0), product of:
              0.090823986 = queryWeight, product of:
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.041294612 = queryNorm
              0.32602316 = fieldWeight in 2345, product of:
                3.1622777 = tf(freq=10.0), with freq of:
                  10.0 = termFreq=10.0
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.046875 = fieldNorm(doc=2345)
          0.12174644 = weight(_text_:line in 2345) [ClassicSimilarity], result of:
            0.12174644 = score(doc=2345,freq=4.0), product of:
              0.23157367 = queryWeight, product of:
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.041294612 = queryNorm
              0.52573526 = fieldWeight in 2345, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.046875 = fieldNorm(doc=2345)
      0.375 = coord(3/8)
    
    Abstract
    FirstSearch is an on-line reference product from OCLC, launched in Oct. 91, that offers inexperienced end users searches easy access to on-line data bases through a simple menu interface. The flagship data base on the OCLC FirstSearch system is the Online Union Catalogue (Called WorldCat on FirstSearch). 14 data bases are available at time of press with a further 18 planned by the end of 1992. Although pricing of OCLC'a EPIC service is based on the standard connect time and display charges, the need for more predictable methods of charging led to FirstSearch use being sold in blocks of 500 searches. Bulk buying of blocks reduces the price per search from 90 cents (for 1 block) to 45 cents (from 160 blocks and above). Describes the experiences of Allen County Public Library, Indiana, one of the only 2 public libraries among the 16 initial test sites for FirstSearch
  13. Walker, S.: Subject access in online catalogues (1991) 0.07
    0.07317396 = product of:
      0.19513057 = sum of:
        0.047231287 = weight(_text_:retrieval in 5690) [ClassicSimilarity], result of:
          0.047231287 = score(doc=5690,freq=4.0), product of:
            0.124912694 = queryWeight, product of:
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.041294612 = queryNorm
            0.37811437 = fieldWeight in 5690, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.0625 = fieldNorm(doc=5690)
        0.0154592255 = weight(_text_:of in 5690) [ClassicSimilarity], result of:
          0.0154592255 = score(doc=5690,freq=6.0), product of:
            0.06457475 = queryWeight, product of:
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.041294612 = queryNorm
            0.23940048 = fieldWeight in 5690, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.0625 = fieldNorm(doc=5690)
        0.13244006 = sum of:
          0.017656423 = weight(_text_:on in 5690) [ClassicSimilarity], result of:
            0.017656423 = score(doc=5690,freq=2.0), product of:
              0.090823986 = queryWeight, product of:
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.041294612 = queryNorm
              0.19440265 = fieldWeight in 5690, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.0625 = fieldNorm(doc=5690)
          0.11478364 = weight(_text_:line in 5690) [ClassicSimilarity], result of:
            0.11478364 = score(doc=5690,freq=2.0), product of:
              0.23157367 = queryWeight, product of:
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.041294612 = queryNorm
              0.4956679 = fieldWeight in 5690, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.0625 = fieldNorm(doc=5690)
      0.375 = coord(3/8)
    
    Abstract
    Discusses some of the methods of subject access to on-line catalohues (OPACs) and argues that none are entirley satisfactory. Describes 2 methods for improving subject access: best match searching; and automatic query expansion application and discusses their feasibility. Mentions emerging application standards for information retrieval and concludes that existing standards are incompatible with most methods for improving standards
    Source
    OPACs and the user: Proc. of the 3rd Anglo-Nordic seminar, Apr. 90
    Theme
    Semantisches Umfeld in Indexierung u. Retrieval
  14. Lewontin, A.: Intracampus sharing of online resources by end users (1991) 0.07
    0.071769536 = product of:
      0.19138543 = sum of:
        0.033397563 = weight(_text_:retrieval in 3108) [ClassicSimilarity], result of:
          0.033397563 = score(doc=3108,freq=2.0), product of:
            0.124912694 = queryWeight, product of:
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.041294612 = queryNorm
            0.26736724 = fieldWeight in 3108, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.0625 = fieldNorm(doc=3108)
        0.012622404 = weight(_text_:of in 3108) [ClassicSimilarity], result of:
          0.012622404 = score(doc=3108,freq=4.0), product of:
            0.06457475 = queryWeight, product of:
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.041294612 = queryNorm
            0.19546966 = fieldWeight in 3108, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.0625 = fieldNorm(doc=3108)
        0.14536546 = sum of:
          0.030581824 = weight(_text_:on in 3108) [ClassicSimilarity], result of:
            0.030581824 = score(doc=3108,freq=6.0), product of:
              0.090823986 = queryWeight, product of:
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.041294612 = queryNorm
              0.33671528 = fieldWeight in 3108, product of:
                2.4494898 = tf(freq=6.0), with freq of:
                  6.0 = termFreq=6.0
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.0625 = fieldNorm(doc=3108)
          0.11478364 = weight(_text_:line in 3108) [ClassicSimilarity], result of:
            0.11478364 = score(doc=3108,freq=2.0), product of:
              0.23157367 = queryWeight, product of:
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.041294612 = queryNorm
              0.4956679 = fieldWeight in 3108, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.0625 = fieldNorm(doc=3108)
      0.375 = coord(3/8)
    
    Abstract
    Describes the cooperative efforts of computer centre staff and library staff at Bentley College, Massachusetts, to create end user interfaces to enable the locally loaded data bases on the on-line catalogue to be searched off-campus by remote users as well as by library users on campus. Describes the success obtained using 2 data bases: LEXIS and Dow Jones News Retrieval Service
  15. Tinker, A.J.; Pollitt, A.S.; O'Brien, A.; Braekevelt, P.A.: ¬The Dewey Decimal Classification and the transition from physical to electronic knowledge organisation (1999) 0.07
    0.06933467 = product of:
      0.13866934 = sum of:
        0.016698781 = weight(_text_:retrieval in 4468) [ClassicSimilarity], result of:
          0.016698781 = score(doc=4468,freq=2.0), product of:
            0.124912694 = queryWeight, product of:
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.041294612 = queryNorm
            0.13368362 = fieldWeight in 4468, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.03125 = fieldNorm(doc=4468)
        0.02963839 = weight(_text_:use in 4468) [ClassicSimilarity], result of:
          0.02963839 = score(doc=4468,freq=6.0), product of:
            0.12644777 = queryWeight, product of:
              3.0620887 = idf(docFreq=5623, maxDocs=44218)
              0.041294612 = queryNorm
            0.23439234 = fieldWeight in 4468, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              3.0620887 = idf(docFreq=5623, maxDocs=44218)
              0.03125 = fieldNorm(doc=4468)
        0.01728394 = weight(_text_:of in 4468) [ClassicSimilarity], result of:
          0.01728394 = score(doc=4468,freq=30.0), product of:
            0.06457475 = queryWeight, product of:
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.041294612 = queryNorm
            0.26765788 = fieldWeight in 4468, product of:
              5.477226 = tf(freq=30.0), with freq of:
                30.0 = termFreq=30.0
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.03125 = fieldNorm(doc=4468)
        0.07504824 = sum of:
          0.017656423 = weight(_text_:on in 4468) [ClassicSimilarity], result of:
            0.017656423 = score(doc=4468,freq=8.0), product of:
              0.090823986 = queryWeight, product of:
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.041294612 = queryNorm
              0.19440265 = fieldWeight in 4468, product of:
                2.828427 = tf(freq=8.0), with freq of:
                  8.0 = termFreq=8.0
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.03125 = fieldNorm(doc=4468)
          0.05739182 = weight(_text_:line in 4468) [ClassicSimilarity], result of:
            0.05739182 = score(doc=4468,freq=2.0), product of:
              0.23157367 = queryWeight, product of:
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.041294612 = queryNorm
              0.24783395 = fieldWeight in 4468, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.03125 = fieldNorm(doc=4468)
      0.5 = coord(4/8)
    
    Abstract
    The physical organisation of items on library shelves using any classification scheme is inevitable a compromise. The best efforts to achieve an arrangement that is helpful to users will be thwarted by the multifaceted nature of these items and the specific needs of the user and the library. Items on a particular subject will be scattered throughout the library building(s) across disciplines, by physical form, by frequency of use and whether and for how long they may be borrowed. Even thought he rich information content of multifaceted items may be represented in the notation, the items required by a user will be scattered across library shelves when the item is placed in a single relative location. This paper explores these issues uisng examples from a University Library classified using the DDC. The electronic context of the library OPAC can transcend the constraints imposed by the predominantly physical nature of library collections, yet the current use of classification schemes in on-line systems retains many of these limitations. Examples of such systems applying DDC on the WWW are discussed and compared with a system that seeks to use DDC in what is called view-based searching. The interface and the resulting browsing and searching capability of a view-based OPAC are described. Ways in which subject access to library collections can be improved and disciplinary scatter resolved by assigning multiple class number to items and exploiting the rich Dewey structure in a faceted form are discussed. It is suggested that the informative power of visual classificatory structures at the search interface will be beneficial to the broader learning experience of the user. The paper concludes that the application of classification schemes in electronic interfaces should not be bound by the the physical constraints that no longer apply in an electronic context but be exploited to provide a complete, flexible and individual interface as determined by the needs of each user
    Theme
    Klassifikationssysteme im Online-Retrieval
  16. Beaulieu, M.; Jones, S.: Interactive searching and interface issues in the Okapi best match probabilistic retrieval system (1998) 0.07
    0.06801399 = product of:
      0.13602798 = sum of:
        0.06534432 = weight(_text_:retrieval in 430) [ClassicSimilarity], result of:
          0.06534432 = score(doc=430,freq=10.0), product of:
            0.124912694 = queryWeight, product of:
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.041294612 = queryNorm
            0.5231199 = fieldWeight in 430, product of:
              3.1622777 = tf(freq=10.0), with freq of:
                10.0 = termFreq=10.0
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.0546875 = fieldNorm(doc=430)
        0.015619429 = weight(_text_:of in 430) [ClassicSimilarity], result of:
          0.015619429 = score(doc=430,freq=8.0), product of:
            0.06457475 = queryWeight, product of:
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.041294612 = queryNorm
            0.24188137 = fieldWeight in 430, product of:
              2.828427 = tf(freq=8.0), with freq of:
                8.0 = termFreq=8.0
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.0546875 = fieldNorm(doc=430)
        0.010924355 = product of:
          0.02184871 = sum of:
            0.02184871 = weight(_text_:on in 430) [ClassicSimilarity], result of:
              0.02184871 = score(doc=430,freq=4.0), product of:
                0.090823986 = queryWeight, product of:
                  2.199415 = idf(docFreq=13325, maxDocs=44218)
                  0.041294612 = queryNorm
                0.24056101 = fieldWeight in 430, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  2.199415 = idf(docFreq=13325, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=430)
          0.5 = coord(1/2)
        0.044139877 = product of:
          0.088279754 = sum of:
            0.088279754 = weight(_text_:computers in 430) [ClassicSimilarity], result of:
              0.088279754 = score(doc=430,freq=2.0), product of:
                0.21710795 = queryWeight, product of:
                  5.257537 = idf(docFreq=625, maxDocs=44218)
                  0.041294612 = queryNorm
                0.40661687 = fieldWeight in 430, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  5.257537 = idf(docFreq=625, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=430)
          0.5 = coord(1/2)
      0.5 = coord(4/8)
    
    Abstract
    Explores interface design raised by the development and evaluation of Okapi, a highly interactive information retrieval system based on a probabilistic retrieval model with relevance feedback. It uses terms frequency weighting functions to display retrieved items in a best match ranked order; it can also find additional items similar to those marked as relevant by the searcher. Compares the effectiveness of automatic and interactive query expansion in different user interface environments. focuses on the nature of interaction in information retrieval and the interrelationship between functional visibility, the user's cognitive loading and the balance of control between user and system
    Source
    Interacting with computers. 10(1998) no.3, S.237-248
    Theme
    Semantisches Umfeld in Indexierung u. Retrieval
  17. Riesthuis, G.J.A.; Stuurman, P.: Tendenzen in de onderwerpsontsluiting : T.4: Onderwerpsontsluiting en on-line catalogi (1990) 0.07
    0.06773351 = product of:
      0.27093405 = sum of:
        0.2317701 = sum of:
          0.03089874 = weight(_text_:on in 211) [ClassicSimilarity], result of:
            0.03089874 = score(doc=211,freq=2.0), product of:
              0.090823986 = queryWeight, product of:
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.041294612 = queryNorm
              0.34020463 = fieldWeight in 211, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.109375 = fieldNorm(doc=211)
          0.20087136 = weight(_text_:line in 211) [ClassicSimilarity], result of:
            0.20087136 = score(doc=211,freq=2.0), product of:
              0.23157367 = queryWeight, product of:
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.041294612 = queryNorm
              0.8674188 = fieldWeight in 211, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.109375 = fieldNorm(doc=211)
        0.039163947 = product of:
          0.078327894 = sum of:
            0.078327894 = weight(_text_:22 in 211) [ClassicSimilarity], result of:
              0.078327894 = score(doc=211,freq=2.0), product of:
                0.1446067 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.041294612 = queryNorm
                0.5416616 = fieldWeight in 211, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.109375 = fieldNorm(doc=211)
          0.5 = coord(1/2)
      0.25 = coord(2/8)
    
    Source
    Open. 22(1990) no.10, S.326-330
  18. Flood, E.: Subject searching in BIBSYS (1991) 0.07
    0.06723222 = product of:
      0.17928593 = sum of:
        0.03422346 = weight(_text_:use in 2651) [ClassicSimilarity], result of:
          0.03422346 = score(doc=2651,freq=2.0), product of:
            0.12644777 = queryWeight, product of:
              3.0620887 = idf(docFreq=5623, maxDocs=44218)
              0.041294612 = queryNorm
            0.27065295 = fieldWeight in 2651, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.0620887 = idf(docFreq=5623, maxDocs=44218)
              0.0625 = fieldNorm(doc=2651)
        0.012622404 = weight(_text_:of in 2651) [ClassicSimilarity], result of:
          0.012622404 = score(doc=2651,freq=4.0), product of:
            0.06457475 = queryWeight, product of:
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.041294612 = queryNorm
            0.19546966 = fieldWeight in 2651, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.0625 = fieldNorm(doc=2651)
        0.13244006 = sum of:
          0.017656423 = weight(_text_:on in 2651) [ClassicSimilarity], result of:
            0.017656423 = score(doc=2651,freq=2.0), product of:
              0.090823986 = queryWeight, product of:
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.041294612 = queryNorm
              0.19440265 = fieldWeight in 2651, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.0625 = fieldNorm(doc=2651)
          0.11478364 = weight(_text_:line in 2651) [ClassicSimilarity], result of:
            0.11478364 = score(doc=2651,freq=2.0), product of:
              0.23157367 = queryWeight, product of:
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.041294612 = queryNorm
              0.4956679 = fieldWeight in 2651, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.0625 = fieldNorm(doc=2651)
      0.375 = coord(3/8)
    
    Abstract
    BIBSYS is the centralised cataloguing facility for all university libraries in Norway. Describes 3 systems used to access the on-line catalogue (OPAC): PUBSOK (Public Searching); GENSOK (General Searching). A 3rd method of searching: BIBSOK (Bibliographic Searching); is for internal use only, the search criteria are mainly bibliographic data, and is not described here
    Source
    OPACs and the user: Proc. of the 3rd Anglo-Nordic seminar, Apr. 90
  19. Hancock-Beaulieu, M.: Searching behaviour and the evaluation of online catalogues (1991) 0.07
    0.06553327 = product of:
      0.1747554 = sum of:
        0.012622404 = weight(_text_:of in 2765) [ClassicSimilarity], result of:
          0.012622404 = score(doc=2765,freq=4.0), product of:
            0.06457475 = queryWeight, product of:
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.041294612 = queryNorm
            0.19546966 = fieldWeight in 2765, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.0625 = fieldNorm(doc=2765)
        0.1397536 = sum of:
          0.024969954 = weight(_text_:on in 2765) [ClassicSimilarity], result of:
            0.024969954 = score(doc=2765,freq=4.0), product of:
              0.090823986 = queryWeight, product of:
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.041294612 = queryNorm
              0.27492687 = fieldWeight in 2765, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                2.199415 = idf(docFreq=13325, maxDocs=44218)
                0.0625 = fieldNorm(doc=2765)
          0.11478364 = weight(_text_:line in 2765) [ClassicSimilarity], result of:
            0.11478364 = score(doc=2765,freq=2.0), product of:
              0.23157367 = queryWeight, product of:
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.041294612 = queryNorm
              0.4956679 = fieldWeight in 2765, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.0625 = fieldNorm(doc=2765)
        0.0223794 = product of:
          0.0447588 = sum of:
            0.0447588 = weight(_text_:22 in 2765) [ClassicSimilarity], result of:
              0.0447588 = score(doc=2765,freq=2.0), product of:
                0.1446067 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.041294612 = queryNorm
                0.30952093 = fieldWeight in 2765, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0625 = fieldNorm(doc=2765)
          0.5 = coord(1/2)
      0.375 = coord(3/8)
    
    Abstract
    Presents a brief report on a study, carried out by the Centre for Interactive Systems Research, City University, to investigate the techniques used for evaluating OPACs: to explore and assess different data gathering methods in studying information seeking behaviour at the on-line catalogue; and to examine how a transaction logging facility could be enhanced to serve as a more effective diagnostic tool. For a full report see British Library research paper 78
    Pages
    S.20-22
    Source
    OPACs and the user: Proc. of the 3rd Anglo-Nordic seminar, Apr. 90
  20. Solomon, P.: On the dynamics of information system use : from novice to? (1992) 0.07
    0.06518586 = product of:
      0.13037172 = sum of:
        0.033397563 = weight(_text_:retrieval in 4519) [ClassicSimilarity], result of:
          0.033397563 = score(doc=4519,freq=2.0), product of:
            0.124912694 = queryWeight, product of:
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.041294612 = queryNorm
            0.26736724 = fieldWeight in 4519, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.0625 = fieldNorm(doc=4519)
        0.048399284 = weight(_text_:use in 4519) [ClassicSimilarity], result of:
          0.048399284 = score(doc=4519,freq=4.0), product of:
            0.12644777 = queryWeight, product of:
              3.0620887 = idf(docFreq=5623, maxDocs=44218)
              0.041294612 = queryNorm
            0.3827611 = fieldWeight in 4519, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.0620887 = idf(docFreq=5623, maxDocs=44218)
              0.0625 = fieldNorm(doc=4519)
        0.030918451 = weight(_text_:of in 4519) [ClassicSimilarity], result of:
          0.030918451 = score(doc=4519,freq=24.0), product of:
            0.06457475 = queryWeight, product of:
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.041294612 = queryNorm
            0.47880095 = fieldWeight in 4519, product of:
              4.8989797 = tf(freq=24.0), with freq of:
                24.0 = termFreq=24.0
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.0625 = fieldNorm(doc=4519)
        0.017656423 = product of:
          0.035312846 = sum of:
            0.035312846 = weight(_text_:on in 4519) [ClassicSimilarity], result of:
              0.035312846 = score(doc=4519,freq=8.0), product of:
                0.090823986 = queryWeight, product of:
                  2.199415 = idf(docFreq=13325, maxDocs=44218)
                  0.041294612 = queryNorm
                0.3888053 = fieldWeight in 4519, product of:
                  2.828427 = tf(freq=8.0), with freq of:
                    8.0 = termFreq=8.0
                  2.199415 = idf(docFreq=13325, maxDocs=44218)
                  0.0625 = fieldNorm(doc=4519)
          0.5 = coord(1/2)
      0.5 = coord(4/8)
    
    Abstract
    Explores the variety of user behaviour exhibited by users of information retrieval systems over time and the effort of differences between expert and novice searchers on an understanding of information searching dynamics and on the design of information systems. Based on a naturalistic case study. Points out some of the dynamic patterns of behaviour of children's use of online catalogues (OPACs)
    Source
    Proceedings of the 55th Annual Meeting of the American Society for Information Science, Pittsburgh, 26.-29.10.92. Ed.: D. Shaw

Authors

Languages

Types

  • a 530
  • m 12
  • s 11
  • r 10
  • el 3
  • i 2
  • p 2
  • x 2
  • d 1
  • More… Less…