Document (#12446)

Author
Mountifield, H.M.
Title
Electronic current awareness service : a survival tool for the information age?
Source
Electronic library. 13(1995) no.4, S.317-324
Year
1995
Abstract
Briefly defines the basic requirements of effective current awareness services and reviews a range of currently available services, including: Current Contents; UnCover; Elsevier Science Publishers' services such as CONTENTS-Alert and CoDAS; Springer Verlag Science Publisher's Springer Journals Preview Service; OCLC; online hosts (such as STN and DIALOG); and periodical subcription agents, such as EBSCO Information Services. Concludes with a listing of the criteris for evaluation of current awareness services, including: currency or timeliness; coverage; cost; ease of use; and document delivery
Object
Current Contents
UnCover
CONTENTS-Alert
CoDAS

Similar documents (content)

  1. Rowley, J.: ¬The changing face of current awareness services (1998) 0.37
    0.36865836 = sum of:
      0.36865836 = product of:
        1.1520574 = sum of:
          0.13400978 = weight(abstract_txt:currency in 4041) [ClassicSimilarity], result of:
            0.13400978 = score(doc=4041,freq=2.0), product of:
              0.1602073 = queryWeight, product of:
                1.1415848 = boost
                7.570929 = idf(docFreq=60, maxDocs=43556)
                0.018536381 = queryNorm
              0.83647734 = fieldWeight in 4041, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                7.570929 = idf(docFreq=60, maxDocs=43556)
                0.078125 = fieldNorm(doc=4041)
          0.05135105 = weight(abstract_txt:including in 4041) [ClassicSimilarity], result of:
            0.05135105 = score(doc=4041,freq=2.0), product of:
              0.10648804 = queryWeight, product of:
                1.316232 = boost
                4.36459 = idf(docFreq=1505, maxDocs=43556)
                0.018536381 = queryNorm
              0.48222363 = fieldWeight in 4041, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.36459 = idf(docFreq=1505, maxDocs=43556)
                0.078125 = fieldNorm(doc=4041)
          0.1456516 = weight(abstract_txt:timeliness in 4041) [ClassicSimilarity], result of:
            0.1456516 = score(doc=4041,freq=1.0), product of:
              0.2133756 = queryWeight, product of:
                1.3174659 = boost
                8.737364 = idf(docFreq=18, maxDocs=43556)
                0.018536381 = queryNorm
              0.6826066 = fieldWeight in 4041, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.737364 = idf(docFreq=18, maxDocs=43556)
                0.078125 = fieldNorm(doc=4041)
          0.026669089 = weight(abstract_txt:such in 4041) [ClassicSimilarity], result of:
            0.026669089 = score(doc=4041,freq=1.0), product of:
              0.09923095 = queryWeight, product of:
                1.5561491 = boost
                3.4400995 = idf(docFreq=3795, maxDocs=43556)
                0.018536381 = queryNorm
              0.26875776 = fieldWeight in 4041, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4400995 = idf(docFreq=3795, maxDocs=43556)
                0.078125 = fieldNorm(doc=4041)
          0.084776476 = weight(abstract_txt:contents in 4041) [ClassicSimilarity], result of:
            0.084776476 = score(doc=4041,freq=1.0), product of:
              0.1874109 = queryWeight, product of:
                1.7461416 = boost
                5.7901587 = idf(docFreq=361, maxDocs=43556)
                0.018536381 = queryNorm
              0.45235616 = fieldWeight in 4041, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.7901587 = idf(docFreq=361, maxDocs=43556)
                0.078125 = fieldNorm(doc=4041)
          0.15565385 = weight(abstract_txt:current in 4041) [ClassicSimilarity], result of:
            0.15565385 = score(doc=4041,freq=5.0), product of:
              0.20704807 = queryWeight, product of:
                2.5955691 = boost
                4.303419 = idf(docFreq=1600, maxDocs=43556)
                0.018536381 = queryNorm
              0.7517764 = fieldWeight in 4041, product of:
                2.236068 = tf(freq=5.0), with freq of:
                  5.0 = termFreq=5.0
                4.303419 = idf(docFreq=1600, maxDocs=43556)
                0.078125 = fieldNorm(doc=4041)
          0.34160283 = weight(abstract_txt:awareness in 4041) [ClassicSimilarity], result of:
            0.34160283 = score(doc=4041,freq=4.0), product of:
              0.34221786 = queryWeight, product of:
                2.8898745 = boost
                6.388498 = idf(docFreq=198, maxDocs=43556)
                0.018536381 = queryNorm
              0.9982028 = fieldWeight in 4041, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                6.388498 = idf(docFreq=198, maxDocs=43556)
                0.078125 = fieldNorm(doc=4041)
          0.21234268 = weight(abstract_txt:services in 4041) [ClassicSimilarity], result of:
            0.21234268 = score(doc=4041,freq=7.0), product of:
              0.24523559 = queryWeight, product of:
                3.15823 = boost
                4.1890426 = idf(docFreq=1794, maxDocs=43556)
                0.018536381 = queryNorm
              0.8658722 = fieldWeight in 4041, product of:
                2.6457512 = tf(freq=7.0), with freq of:
                  7.0 = termFreq=7.0
                4.1890426 = idf(docFreq=1794, maxDocs=43556)
                0.078125 = fieldNorm(doc=4041)
        0.32 = coord(8/25)
    
  2. Rowley, J.: Revolution in current awareness services (1994) 0.25
    0.2499082 = sum of:
      0.2499082 = product of:
        0.7809631 = sum of:
          0.044585645 = weight(abstract_txt:agents in 7181) [ClassicSimilarity], result of:
            0.044585645 = score(doc=7181,freq=1.0), product of:
              0.12293229 = queryWeight, product of:
                6.6319466 = idf(docFreq=155, maxDocs=43556)
                0.018536381 = queryNorm
              0.36268458 = fieldWeight in 7181, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.6319466 = idf(docFreq=155, maxDocs=43556)
                0.0546875 = fieldNorm(doc=7181)
          0.04903335 = weight(abstract_txt:periodical in 7181) [ClassicSimilarity], result of:
            0.04903335 = score(doc=7181,freq=1.0), product of:
              0.13097759 = queryWeight, product of:
                1.0322039 = boost
                6.845521 = idf(docFreq=125, maxDocs=43556)
                0.018536381 = queryNorm
              0.37436444 = fieldWeight in 7181, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.845521 = idf(docFreq=125, maxDocs=43556)
                0.0546875 = fieldNorm(doc=7181)
          0.060395513 = weight(abstract_txt:listing in 7181) [ClassicSimilarity], result of:
            0.060395513 = score(doc=7181,freq=1.0), product of:
              0.15050088 = queryWeight, product of:
                1.1064621 = boost
                7.3379974 = idf(docFreq=76, maxDocs=43556)
                0.018536381 = queryNorm
              0.40129673 = fieldWeight in 7181, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.3379974 = idf(docFreq=76, maxDocs=43556)
                0.0546875 = fieldNorm(doc=7181)
          0.15560141 = weight(abstract_txt:uncover in 7181) [ClassicSimilarity], result of:
            0.15560141 = score(doc=7181,freq=5.0), product of:
              0.1654074 = queryWeight, product of:
                1.159964 = boost
                7.6928186 = idf(docFreq=53, maxDocs=43556)
                0.018536381 = queryNorm
              0.9407161 = fieldWeight in 7181, product of:
                2.236068 = tf(freq=5.0), with freq of:
                  5.0 = termFreq=5.0
                7.6928186 = idf(docFreq=53, maxDocs=43556)
                0.0546875 = fieldNorm(doc=7181)
          0.041183148 = weight(abstract_txt:service in 7181) [ClassicSimilarity], result of:
            0.041183148 = score(doc=7181,freq=2.0), product of:
              0.11659563 = queryWeight, product of:
                1.3772829 = boost
                4.5670333 = idf(docFreq=1229, maxDocs=43556)
                0.018536381 = queryNorm
              0.35321346 = fieldWeight in 7181, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.5670333 = idf(docFreq=1229, maxDocs=43556)
                0.0546875 = fieldNorm(doc=7181)
          0.09745473 = weight(abstract_txt:current in 7181) [ClassicSimilarity], result of:
            0.09745473 = score(doc=7181,freq=4.0), product of:
              0.20704807 = queryWeight, product of:
                2.5955691 = boost
                4.303419 = idf(docFreq=1600, maxDocs=43556)
                0.018536381 = queryNorm
              0.47068647 = fieldWeight in 7181, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                4.303419 = idf(docFreq=1600, maxDocs=43556)
                0.0546875 = fieldNorm(doc=7181)
          0.20708571 = weight(abstract_txt:awareness in 7181) [ClassicSimilarity], result of:
            0.20708571 = score(doc=7181,freq=3.0), product of:
              0.34221786 = queryWeight, product of:
                2.8898745 = boost
                6.388498 = idf(docFreq=198, maxDocs=43556)
                0.018536381 = queryNorm
              0.6051283 = fieldWeight in 7181, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                6.388498 = idf(docFreq=198, maxDocs=43556)
                0.0546875 = fieldNorm(doc=7181)
          0.12562364 = weight(abstract_txt:services in 7181) [ClassicSimilarity], result of:
            0.12562364 = score(doc=7181,freq=5.0), product of:
              0.24523559 = queryWeight, product of:
                3.15823 = boost
                4.1890426 = idf(docFreq=1794, maxDocs=43556)
                0.018536381 = queryNorm
              0.512257 = fieldWeight in 7181, product of:
                2.236068 = tf(freq=5.0), with freq of:
                  5.0 = termFreq=5.0
                4.1890426 = idf(docFreq=1794, maxDocs=43556)
                0.0546875 = fieldNorm(doc=7181)
        0.32 = coord(8/25)
    
  3. Geleijnse, H.: Journal articles on the desktop : Elsevier and Tilburg experiment (1994) 0.20
    0.20398484 = sum of:
      0.20398484 = product of:
        0.7285173 = sum of:
          0.21288347 = weight(abstract_txt:elsevier in 890) [ClassicSimilarity], result of:
            0.21288347 = score(doc=890,freq=3.0), product of:
              0.1687335 = queryWeight, product of:
                1.1715685 = boost
                7.7697797 = idf(docFreq=49, maxDocs=43556)
                0.018536381 = queryNorm
              1.261655 = fieldWeight in 890, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                7.7697797 = idf(docFreq=49, maxDocs=43556)
                0.09375 = fieldNorm(doc=890)
          0.043483354 = weight(abstract_txt:science in 890) [ClassicSimilarity], result of:
            0.043483354 = score(doc=890,freq=2.0), product of:
              0.084403895 = queryWeight, product of:
                1.1718264 = boost
                3.8857448 = idf(docFreq=2430, maxDocs=43556)
                0.018536381 = queryNorm
              0.51518184 = fieldWeight in 890, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.8857448 = idf(docFreq=2430, maxDocs=43556)
                0.09375 = fieldNorm(doc=890)
          0.049921513 = weight(abstract_txt:service in 890) [ClassicSimilarity], result of:
            0.049921513 = score(doc=890,freq=1.0), product of:
              0.11659563 = queryWeight, product of:
                1.3772829 = boost
                4.5670333 = idf(docFreq=1229, maxDocs=43556)
                0.018536381 = queryNorm
              0.42815936 = fieldWeight in 890, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.5670333 = idf(docFreq=1229, maxDocs=43556)
                0.09375 = fieldNorm(doc=890)
          0.032002907 = weight(abstract_txt:such in 890) [ClassicSimilarity], result of:
            0.032002907 = score(doc=890,freq=1.0), product of:
              0.09923095 = queryWeight, product of:
                1.5561491 = boost
                3.4400995 = idf(docFreq=3795, maxDocs=43556)
                0.018536381 = queryNorm
              0.32250932 = fieldWeight in 890, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4400995 = idf(docFreq=3795, maxDocs=43556)
                0.09375 = fieldNorm(doc=890)
          0.10173177 = weight(abstract_txt:contents in 890) [ClassicSimilarity], result of:
            0.10173177 = score(doc=890,freq=1.0), product of:
              0.1874109 = queryWeight, product of:
                1.7461416 = boost
                5.7901587 = idf(docFreq=361, maxDocs=43556)
                0.018536381 = queryNorm
              0.54282737 = fieldWeight in 890, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.7901587 = idf(docFreq=361, maxDocs=43556)
                0.09375 = fieldNorm(doc=890)
          0.083532624 = weight(abstract_txt:current in 890) [ClassicSimilarity], result of:
            0.083532624 = score(doc=890,freq=1.0), product of:
              0.20704807 = queryWeight, product of:
                2.5955691 = boost
                4.303419 = idf(docFreq=1600, maxDocs=43556)
                0.018536381 = queryNorm
              0.40344554 = fieldWeight in 890, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.303419 = idf(docFreq=1600, maxDocs=43556)
                0.09375 = fieldNorm(doc=890)
          0.20496169 = weight(abstract_txt:awareness in 890) [ClassicSimilarity], result of:
            0.20496169 = score(doc=890,freq=1.0), product of:
              0.34221786 = queryWeight, product of:
                2.8898745 = boost
                6.388498 = idf(docFreq=198, maxDocs=43556)
                0.018536381 = queryNorm
              0.59892166 = fieldWeight in 890, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.388498 = idf(docFreq=198, maxDocs=43556)
                0.09375 = fieldNorm(doc=890)
        0.28 = coord(7/25)
    
  4. Notess, G.R.: Internet database review : UnCover (1993) 0.20
    0.19801335 = sum of:
      0.19801335 = product of:
        0.99006677 = sum of:
          0.19882017 = weight(abstract_txt:uncover in 6530) [ClassicSimilarity], result of:
            0.19882017 = score(doc=6530,freq=1.0), product of:
              0.1654074 = queryWeight, product of:
                1.159964 = boost
                7.6928186 = idf(docFreq=53, maxDocs=43556)
                0.018536381 = queryNorm
              1.2020029 = fieldWeight in 6530, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.6928186 = idf(docFreq=53, maxDocs=43556)
                0.15625 = fieldNorm(doc=6530)
          0.083202526 = weight(abstract_txt:service in 6530) [ClassicSimilarity], result of:
            0.083202526 = score(doc=6530,freq=1.0), product of:
              0.11659563 = queryWeight, product of:
                1.3772829 = boost
                4.5670333 = idf(docFreq=1229, maxDocs=43556)
                0.018536381 = queryNorm
              0.71359897 = fieldWeight in 6530, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.5670333 = idf(docFreq=1229, maxDocs=43556)
                0.15625 = fieldNorm(doc=6530)
          0.16955295 = weight(abstract_txt:contents in 6530) [ClassicSimilarity], result of:
            0.16955295 = score(doc=6530,freq=1.0), product of:
              0.1874109 = queryWeight, product of:
                1.7461416 = boost
                5.7901587 = idf(docFreq=361, maxDocs=43556)
                0.018536381 = queryNorm
              0.9047123 = fieldWeight in 6530, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.7901587 = idf(docFreq=361, maxDocs=43556)
                0.15625 = fieldNorm(doc=6530)
          0.19688827 = weight(abstract_txt:current in 6530) [ClassicSimilarity], result of:
            0.19688827 = score(doc=6530,freq=2.0), product of:
              0.20704807 = queryWeight, product of:
                2.5955691 = boost
                4.303419 = idf(docFreq=1600, maxDocs=43556)
                0.018536381 = queryNorm
              0.95093024 = fieldWeight in 6530, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.303419 = idf(docFreq=1600, maxDocs=43556)
                0.15625 = fieldNorm(doc=6530)
          0.34160283 = weight(abstract_txt:awareness in 6530) [ClassicSimilarity], result of:
            0.34160283 = score(doc=6530,freq=1.0), product of:
              0.34221786 = queryWeight, product of:
                2.8898745 = boost
                6.388498 = idf(docFreq=198, maxDocs=43556)
                0.018536381 = queryNorm
              0.9982028 = fieldWeight in 6530, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.388498 = idf(docFreq=198, maxDocs=43556)
                0.15625 = fieldNorm(doc=6530)
        0.2 = coord(5/25)
    
  5. Beckett, C.; Blackwell, B.H.: Document delivery : the UnCover experience (1993) 0.19
    0.19094214 = sum of:
      0.19094214 = product of:
        0.6819362 = sum of:
          0.09906232 = weight(abstract_txt:periodical in 6532) [ClassicSimilarity], result of:
            0.09906232 = score(doc=6532,freq=2.0), product of:
              0.13097759 = queryWeight, product of:
                1.0322039 = boost
                6.845521 = idf(docFreq=125, maxDocs=43556)
                0.018536381 = queryNorm
              0.7563304 = fieldWeight in 6532, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.845521 = idf(docFreq=125, maxDocs=43556)
                0.078125 = fieldNorm(doc=6532)
          0.17218333 = weight(abstract_txt:uncover in 6532) [ClassicSimilarity], result of:
            0.17218333 = score(doc=6532,freq=3.0), product of:
              0.1654074 = queryWeight, product of:
                1.159964 = boost
                7.6928186 = idf(docFreq=53, maxDocs=43556)
                0.018536381 = queryNorm
              1.0409651 = fieldWeight in 6532, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                7.6928186 = idf(docFreq=53, maxDocs=43556)
                0.078125 = fieldNorm(doc=6532)
          0.058833063 = weight(abstract_txt:service in 6532) [ClassicSimilarity], result of:
            0.058833063 = score(doc=6532,freq=2.0), product of:
              0.11659563 = queryWeight, product of:
                1.3772829 = boost
                4.5670333 = idf(docFreq=1229, maxDocs=43556)
                0.018536381 = queryNorm
              0.50459063 = fieldWeight in 6532, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.5670333 = idf(docFreq=1229, maxDocs=43556)
                0.078125 = fieldNorm(doc=6532)
          0.026669089 = weight(abstract_txt:such in 6532) [ClassicSimilarity], result of:
            0.026669089 = score(doc=6532,freq=1.0), product of:
              0.09923095 = queryWeight, product of:
                1.5561491 = boost
                3.4400995 = idf(docFreq=3795, maxDocs=43556)
                0.018536381 = queryNorm
              0.26875776 = fieldWeight in 6532, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4400995 = idf(docFreq=3795, maxDocs=43556)
                0.078125 = fieldNorm(doc=6532)
          0.084776476 = weight(abstract_txt:contents in 6532) [ClassicSimilarity], result of:
            0.084776476 = score(doc=6532,freq=1.0), product of:
              0.1874109 = queryWeight, product of:
                1.7461416 = boost
                5.7901587 = idf(docFreq=361, maxDocs=43556)
                0.018536381 = queryNorm
              0.45235616 = fieldWeight in 6532, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.7901587 = idf(docFreq=361, maxDocs=43556)
                0.078125 = fieldNorm(doc=6532)
          0.06961052 = weight(abstract_txt:current in 6532) [ClassicSimilarity], result of:
            0.06961052 = score(doc=6532,freq=1.0), product of:
              0.20704807 = queryWeight, product of:
                2.5955691 = boost
                4.303419 = idf(docFreq=1600, maxDocs=43556)
                0.018536381 = queryNorm
              0.33620462 = fieldWeight in 6532, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.303419 = idf(docFreq=1600, maxDocs=43556)
                0.078125 = fieldNorm(doc=6532)
          0.17080142 = weight(abstract_txt:awareness in 6532) [ClassicSimilarity], result of:
            0.17080142 = score(doc=6532,freq=1.0), product of:
              0.34221786 = queryWeight, product of:
                2.8898745 = boost
                6.388498 = idf(docFreq=198, maxDocs=43556)
                0.018536381 = queryNorm
              0.4991014 = fieldWeight in 6532, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.388498 = idf(docFreq=198, maxDocs=43556)
                0.078125 = fieldNorm(doc=6532)
        0.28 = coord(7/25)