Search (6 results, page 1 of 1)

  • × theme_ss:"Verbale Doksprachen im Online-Retrieval"
  • × type_ss:"a"
  • × year_i:[1980 TO 1990}
  1. Anderson, J.D.: Indexing and classification : file organization and display for information retrieval (1989) 0.03
    0.026284594 = product of:
      0.05256919 = sum of:
        0.017165681 = weight(_text_:information in 873) [ClassicSimilarity], result of:
          0.017165681 = score(doc=873,freq=2.0), product of:
            0.08850355 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.050415643 = queryNorm
            0.19395474 = fieldWeight in 873, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.078125 = fieldNorm(doc=873)
        0.035403505 = product of:
          0.07080701 = sum of:
            0.07080701 = weight(_text_:organization in 873) [ClassicSimilarity], result of:
              0.07080701 = score(doc=873,freq=2.0), product of:
                0.17974974 = queryWeight, product of:
                  3.5653565 = idf(docFreq=3399, maxDocs=44218)
                  0.050415643 = queryNorm
                0.39391994 = fieldWeight in 873, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5653565 = idf(docFreq=3399, maxDocs=44218)
                  0.078125 = fieldNorm(doc=873)
          0.5 = coord(1/2)
      0.5 = coord(2/4)
    
  2. Bates, M.J.: Subject access in online catalogs: a design model (1986) 0.01
    0.006007989 = product of:
      0.024031956 = sum of:
        0.024031956 = weight(_text_:information in 120) [ClassicSimilarity], result of:
          0.024031956 = score(doc=120,freq=2.0), product of:
            0.08850355 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.050415643 = queryNorm
            0.27153665 = fieldWeight in 120, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.109375 = fieldNorm(doc=120)
      0.25 = coord(1/4)
    
    Source
    Journal of the American Society for Information Science. 37(1986), S.357-367
  3. Svenonius, E.: Design of controlled vocabularies in the context of emerging technologies (1988) 0.00
    0.004855188 = product of:
      0.019420752 = sum of:
        0.019420752 = weight(_text_:information in 762) [ClassicSimilarity], result of:
          0.019420752 = score(doc=762,freq=4.0), product of:
            0.08850355 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.050415643 = queryNorm
            0.21943474 = fieldWeight in 762, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.0625 = fieldNorm(doc=762)
      0.25 = coord(1/4)
    
    Abstract
    Delineates on the changing role of vocabulary control devices such as classification, subject headings, and thesaurus. Identifies the basic issue in the design and development of these devices and their role in the changing information technology. The paper identifies the differentiations needed in the new roles of these devices in data base technology
    Source
    Library science with a slant to documentation and information studies. 25(1988), S.215-227
  4. Devadason, F.J.; Kumbhar, M.R.: Language and indexing language : Nalimor and Gardin revised (1988) 0.00
    0.0042914203 = product of:
      0.017165681 = sum of:
        0.017165681 = weight(_text_:information in 2852) [ClassicSimilarity], result of:
          0.017165681 = score(doc=2852,freq=2.0), product of:
            0.08850355 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.050415643 = queryNorm
            0.19395474 = fieldWeight in 2852, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.078125 = fieldNorm(doc=2852)
      0.25 = coord(1/4)
    
    Abstract
    Studies the salient features of ordinary language as a means of designing languages for information storage and retrieval systems. Pays particular attention to the POPSI (Postulate-based Permuted Subject Indexing) language.
  5. DeHart, F.E.; Glazier, J.: Computer searching on PRECIS : an exploration of measuring comparative retrieval effectiveness (1984) 0.00
    0.00424829 = product of:
      0.01699316 = sum of:
        0.01699316 = weight(_text_:information in 828) [ClassicSimilarity], result of:
          0.01699316 = score(doc=828,freq=4.0), product of:
            0.08850355 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.050415643 = queryNorm
            0.1920054 = fieldWeight in 828, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.0546875 = fieldNorm(doc=828)
      0.25 = coord(1/4)
    
    Abstract
    Designing research on the retrieval effectiveness of computer searches on PRECIS compared with retrieval effectiveness of searches on other types of subject analysis used in computer-based information sources is a complex process. This paper explores the complexity of measuring comparative retrieval effectiveness through a comparison of the subject analysis provided by the PRECIS system for fifty articles with the subject analysis provided for the same articles by three computer-based information sources: ERIC/CIJE, LLBA/Online and PsycINFO. Objectives are: (1) to discover factors that should be taken into account when designing this type of research; and (2) to identify extraneous variables that work against internal validity in research design .
  6. Schabas, A.H.: Postcoordinate retrieval : a comparison of two retrieval languages (1982) 0.00
    0.0025748524 = product of:
      0.01029941 = sum of:
        0.01029941 = weight(_text_:information in 1202) [ClassicSimilarity], result of:
          0.01029941 = score(doc=1202,freq=2.0), product of:
            0.08850355 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.050415643 = queryNorm
            0.116372846 = fieldWeight in 1202, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.046875 = fieldNorm(doc=1202)
      0.25 = coord(1/4)
    
    Source
    Journal of the American Society for Information Science. 33(1982), S.32-37