Document (#10079)

Author
Braid, A.
Title
Electronic document delivery : vision and reality
Source
Libri. 44(1994) no.3, S.224-236
Year
1994
Abstract
Presents one out of many definitions of the terms electronic document delivery and examines some of the reasons for sudden upsurge of interest in the technique. Describes, in brief, the history of electronic document delivery developments at the British Library Document Supply Centre (BLDSC)

Similar documents (content)

  1. Anagnostelis, B.: Inside information needs better presentation (1996) 0.44
    0.4421346 = sum of:
      0.4421346 = product of:
        1.5158901 = sum of:
          0.01750965 = weight(abstract_txt:library in 777) [ClassicSimilarity], result of:
            0.01750965 = score(doc=777,freq=1.0), product of:
              0.043956563 = queryWeight, product of:
                3.1867187 = idf(docFreq=4964, maxDocs=44218)
                0.013793675 = queryNorm
              0.39833984 = fieldWeight in 777, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.1867187 = idf(docFreq=4964, maxDocs=44218)
                0.125 = fieldNorm(doc=777)
          0.15995117 = weight(abstract_txt:british in 777) [ClassicSimilarity], result of:
            0.15995117 = score(doc=777,freq=2.0), product of:
              0.15245922 = queryWeight, product of:
                1.8623658 = boost
                5.934836 = idf(docFreq=317, maxDocs=44218)
                0.013793675 = queryNorm
              1.0491407 = fieldWeight in 777, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.934836 = idf(docFreq=317, maxDocs=44218)
                0.125 = fieldNorm(doc=777)
          0.13075705 = weight(abstract_txt:centre in 777) [ClassicSimilarity], result of:
            0.13075705 = score(doc=777,freq=1.0), product of:
              0.16793793 = queryWeight, product of:
                1.954621 = boost
                6.228827 = idf(docFreq=236, maxDocs=44218)
                0.013793675 = queryNorm
              0.7786034 = fieldWeight in 777, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.228827 = idf(docFreq=236, maxDocs=44218)
                0.125 = fieldNorm(doc=777)
          0.19547193 = weight(abstract_txt:supply in 777) [ClassicSimilarity], result of:
            0.19547193 = score(doc=777,freq=1.0), product of:
              0.21956427 = queryWeight, product of:
                2.234956 = boost
                7.122176 = idf(docFreq=96, maxDocs=44218)
                0.013793675 = queryNorm
              0.890272 = fieldWeight in 777, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.122176 = idf(docFreq=96, maxDocs=44218)
                0.125 = fieldNorm(doc=777)
          0.48131073 = weight(abstract_txt:bldsc in 777) [ClassicSimilarity], result of:
            0.48131073 = score(doc=777,freq=1.0), product of:
              0.4003647 = queryWeight, product of:
                3.0179777 = boost
                9.617446 = idf(docFreq=7, maxDocs=44218)
                0.013793675 = queryNorm
              1.2021807 = fieldWeight in 777, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.617446 = idf(docFreq=7, maxDocs=44218)
                0.125 = fieldNorm(doc=777)
          0.17118669 = weight(abstract_txt:document in 777) [ClassicSimilarity], result of:
            0.17118669 = score(doc=777,freq=1.0), product of:
              0.3190353 = queryWeight, product of:
                5.388123 = boost
                4.2926083 = idf(docFreq=1642, maxDocs=44218)
                0.013793675 = queryNorm
              0.53657603 = fieldWeight in 777, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.2926083 = idf(docFreq=1642, maxDocs=44218)
                0.125 = fieldNorm(doc=777)
          0.3597028 = weight(abstract_txt:delivery in 777) [ClassicSimilarity], result of:
            0.3597028 = score(doc=777,freq=1.0), product of:
              0.47552684 = queryWeight, product of:
                5.6968694 = boost
                6.0514402 = idf(docFreq=282, maxDocs=44218)
                0.013793675 = queryNorm
              0.75643003 = fieldWeight in 777, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.0514402 = idf(docFreq=282, maxDocs=44218)
                0.125 = fieldNorm(doc=777)
        0.29166666 = coord(7/24)
    
  2. Casale, M.: Document delivery : the electronic challenge (1995) 0.38
    0.38062724 = sum of:
      0.38062724 = product of:
        1.3050077 = sum of:
          0.013132237 = weight(abstract_txt:library in 1702) [ClassicSimilarity], result of:
            0.013132237 = score(doc=1702,freq=1.0), product of:
              0.043956563 = queryWeight, product of:
                3.1867187 = idf(docFreq=4964, maxDocs=44218)
                0.013793675 = queryNorm
              0.29875487 = fieldWeight in 1702, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.1867187 = idf(docFreq=4964, maxDocs=44218)
                0.09375 = fieldNorm(doc=1702)
          0.08482692 = weight(abstract_txt:british in 1702) [ClassicSimilarity], result of:
            0.08482692 = score(doc=1702,freq=1.0), product of:
              0.15245922 = queryWeight, product of:
                1.8623658 = boost
                5.934836 = idf(docFreq=317, maxDocs=44218)
                0.013793675 = queryNorm
              0.5563909 = fieldWeight in 1702, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.934836 = idf(docFreq=317, maxDocs=44218)
                0.09375 = fieldNorm(doc=1702)
          0.14660394 = weight(abstract_txt:supply in 1702) [ClassicSimilarity], result of:
            0.14660394 = score(doc=1702,freq=1.0), product of:
              0.21956427 = queryWeight, product of:
                2.234956 = boost
                7.122176 = idf(docFreq=96, maxDocs=44218)
                0.013793675 = queryNorm
              0.667704 = fieldWeight in 1702, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.122176 = idf(docFreq=96, maxDocs=44218)
                0.09375 = fieldNorm(doc=1702)
          0.36098304 = weight(abstract_txt:bldsc in 1702) [ClassicSimilarity], result of:
            0.36098304 = score(doc=1702,freq=1.0), product of:
              0.4003647 = queryWeight, product of:
                3.0179777 = boost
                9.617446 = idf(docFreq=7, maxDocs=44218)
                0.013793675 = queryNorm
              0.9016355 = fieldWeight in 1702, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.617446 = idf(docFreq=7, maxDocs=44218)
                0.09375 = fieldNorm(doc=1702)
          0.09556111 = weight(abstract_txt:electronic in 1702) [ClassicSimilarity], result of:
            0.09556111 = score(doc=1702,freq=1.0), product of:
              0.23806329 = queryWeight, product of:
                4.0308347 = boost
                4.281712 = idf(docFreq=1660, maxDocs=44218)
                0.013793675 = queryNorm
              0.40141052 = fieldWeight in 1702, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.281712 = idf(docFreq=1660, maxDocs=44218)
                0.09375 = fieldNorm(doc=1702)
          0.22237803 = weight(abstract_txt:document in 1702) [ClassicSimilarity], result of:
            0.22237803 = score(doc=1702,freq=3.0), product of:
              0.3190353 = queryWeight, product of:
                5.388123 = boost
                4.2926083 = idf(docFreq=1642, maxDocs=44218)
                0.013793675 = queryNorm
              0.6970327 = fieldWeight in 1702, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.2926083 = idf(docFreq=1642, maxDocs=44218)
                0.09375 = fieldNorm(doc=1702)
          0.38152242 = weight(abstract_txt:delivery in 1702) [ClassicSimilarity], result of:
            0.38152242 = score(doc=1702,freq=2.0), product of:
              0.47552684 = queryWeight, product of:
                5.6968694 = boost
                6.0514402 = idf(docFreq=282, maxDocs=44218)
                0.013793675 = queryNorm
              0.80231524 = fieldWeight in 1702, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.0514402 = idf(docFreq=282, maxDocs=44218)
                0.09375 = fieldNorm(doc=1702)
        0.29166666 = coord(7/24)
    
  3. Barden, P.: ADONIS : the British Library experience (1990) 0.37
    0.37283716 = sum of:
      0.37283716 = product of:
        1.1185114 = sum of:
          0.010943531 = weight(abstract_txt:library in 4055) [ClassicSimilarity], result of:
            0.010943531 = score(doc=4055,freq=1.0), product of:
              0.043956563 = queryWeight, product of:
                3.1867187 = idf(docFreq=4964, maxDocs=44218)
                0.013793675 = queryNorm
              0.2489624 = fieldWeight in 4055, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.1867187 = idf(docFreq=4964, maxDocs=44218)
                0.078125 = fieldNorm(doc=4055)
          0.032602504 = weight(abstract_txt:examines in 4055) [ClassicSimilarity], result of:
            0.032602504 = score(doc=4055,freq=1.0), product of:
              0.091009356 = queryWeight, product of:
                1.4389018 = boost
                4.5853753 = idf(docFreq=1225, maxDocs=44218)
                0.013793675 = queryNorm
              0.35823244 = fieldWeight in 4055, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.5853753 = idf(docFreq=1225, maxDocs=44218)
                0.078125 = fieldNorm(doc=4055)
          0.0706891 = weight(abstract_txt:british in 4055) [ClassicSimilarity], result of:
            0.0706891 = score(doc=4055,freq=1.0), product of:
              0.15245922 = queryWeight, product of:
                1.8623658 = boost
                5.934836 = idf(docFreq=317, maxDocs=44218)
                0.013793675 = queryNorm
              0.46365905 = fieldWeight in 4055, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.934836 = idf(docFreq=317, maxDocs=44218)
                0.078125 = fieldNorm(doc=4055)
          0.08172315 = weight(abstract_txt:centre in 4055) [ClassicSimilarity], result of:
            0.08172315 = score(doc=4055,freq=1.0), product of:
              0.16793793 = queryWeight, product of:
                1.954621 = boost
                6.228827 = idf(docFreq=236, maxDocs=44218)
                0.013793675 = queryNorm
              0.4866271 = fieldWeight in 4055, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.228827 = idf(docFreq=236, maxDocs=44218)
                0.078125 = fieldNorm(doc=4055)
          0.21160457 = weight(abstract_txt:supply in 4055) [ClassicSimilarity], result of:
            0.21160457 = score(doc=4055,freq=3.0), product of:
              0.21956427 = queryWeight, product of:
                2.234956 = boost
                7.122176 = idf(docFreq=96, maxDocs=44218)
                0.013793675 = queryNorm
              0.96374774 = fieldWeight in 4055, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                7.122176 = idf(docFreq=96, maxDocs=44218)
                0.078125 = fieldNorm(doc=4055)
          0.30081922 = weight(abstract_txt:bldsc in 4055) [ClassicSimilarity], result of:
            0.30081922 = score(doc=4055,freq=1.0), product of:
              0.4003647 = queryWeight, product of:
                3.0179777 = boost
                9.617446 = idf(docFreq=7, maxDocs=44218)
                0.013793675 = queryNorm
              0.751363 = fieldWeight in 4055, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.617446 = idf(docFreq=7, maxDocs=44218)
                0.078125 = fieldNorm(doc=4055)
          0.18531504 = weight(abstract_txt:document in 4055) [ClassicSimilarity], result of:
            0.18531504 = score(doc=4055,freq=3.0), product of:
              0.3190353 = queryWeight, product of:
                5.388123 = boost
                4.2926083 = idf(docFreq=1642, maxDocs=44218)
                0.013793675 = queryNorm
              0.5808606 = fieldWeight in 4055, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.2926083 = idf(docFreq=1642, maxDocs=44218)
                0.078125 = fieldNorm(doc=4055)
          0.22481425 = weight(abstract_txt:delivery in 4055) [ClassicSimilarity], result of:
            0.22481425 = score(doc=4055,freq=1.0), product of:
              0.47552684 = queryWeight, product of:
                5.6968694 = boost
                6.0514402 = idf(docFreq=282, maxDocs=44218)
                0.013793675 = queryNorm
              0.47276878 = fieldWeight in 4055, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.0514402 = idf(docFreq=282, maxDocs=44218)
                0.078125 = fieldNorm(doc=4055)
        0.33333334 = coord(8/24)
    
  4. Fecko, M.B.: Electronic resources : access and issues (1997) 0.30
    0.30430254 = sum of:
      0.30430254 = product of:
        1.043323 = sum of:
          0.021667086 = weight(abstract_txt:library in 793) [ClassicSimilarity], result of:
            0.021667086 = score(doc=793,freq=2.0), product of:
              0.043956563 = queryWeight, product of:
                3.1867187 = idf(docFreq=4964, maxDocs=44218)
                0.013793675 = queryNorm
              0.49292037 = fieldWeight in 793, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.1867187 = idf(docFreq=4964, maxDocs=44218)
                0.109375 = fieldNorm(doc=793)
          0.03765537 = weight(abstract_txt:presents in 793) [ClassicSimilarity], result of:
            0.03765537 = score(doc=793,freq=1.0), product of:
              0.0800543 = queryWeight, product of:
                1.3495235 = boost
                4.300552 = idf(docFreq=1629, maxDocs=44218)
                0.013793675 = queryNorm
              0.47037286 = fieldWeight in 793, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.300552 = idf(docFreq=1629, maxDocs=44218)
                0.109375 = fieldNorm(doc=793)
          0.045643505 = weight(abstract_txt:examines in 793) [ClassicSimilarity], result of:
            0.045643505 = score(doc=793,freq=1.0), product of:
              0.091009356 = queryWeight, product of:
                1.4389018 = boost
                4.5853753 = idf(docFreq=1225, maxDocs=44218)
                0.013793675 = queryNorm
              0.5015254 = fieldWeight in 793, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.5853753 = idf(docFreq=1225, maxDocs=44218)
                0.109375 = fieldNorm(doc=793)
          0.058438938 = weight(abstract_txt:history in 793) [ClassicSimilarity], result of:
            0.058438938 = score(doc=793,freq=1.0), product of:
              0.1073087 = queryWeight, product of:
                1.5624481 = boost
                4.9790826 = idf(docFreq=826, maxDocs=44218)
                0.013793675 = queryNorm
              0.54458714 = fieldWeight in 793, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.9790826 = idf(docFreq=826, maxDocs=44218)
                0.109375 = fieldNorm(doc=793)
          0.22297591 = weight(abstract_txt:electronic in 793) [ClassicSimilarity], result of:
            0.22297591 = score(doc=793,freq=4.0), product of:
              0.23806329 = queryWeight, product of:
                4.0308347 = boost
                4.281712 = idf(docFreq=1660, maxDocs=44218)
                0.013793675 = queryNorm
              0.9366245 = fieldWeight in 793, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                4.281712 = idf(docFreq=1660, maxDocs=44218)
                0.109375 = fieldNorm(doc=793)
          0.21183273 = weight(abstract_txt:document in 793) [ClassicSimilarity], result of:
            0.21183273 = score(doc=793,freq=2.0), product of:
              0.3190353 = queryWeight, product of:
                5.388123 = boost
                4.2926083 = idf(docFreq=1642, maxDocs=44218)
                0.013793675 = queryNorm
              0.663979 = fieldWeight in 793, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.2926083 = idf(docFreq=1642, maxDocs=44218)
                0.109375 = fieldNorm(doc=793)
          0.4451095 = weight(abstract_txt:delivery in 793) [ClassicSimilarity], result of:
            0.4451095 = score(doc=793,freq=2.0), product of:
              0.47552684 = queryWeight, product of:
                5.6968694 = boost
                6.0514402 = idf(docFreq=282, maxDocs=44218)
                0.013793675 = queryNorm
              0.93603444 = fieldWeight in 793, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.0514402 = idf(docFreq=282, maxDocs=44218)
                0.109375 = fieldNorm(doc=793)
        0.29166666 = coord(7/24)
    
  5. Jacobs, N.; Woodfield, J.; Morris, A.: Using local citation data to relate the use of journal articles by academic researchers to the coverage of full-text document access systems (2000) 0.30
    0.3039272 = sum of:
      0.3039272 = product of:
        1.0420362 = sum of:
          0.015476489 = weight(abstract_txt:library in 4541) [ClassicSimilarity], result of:
            0.015476489 = score(doc=4541,freq=2.0), product of:
              0.043956563 = queryWeight, product of:
                3.1867187 = idf(docFreq=4964, maxDocs=44218)
                0.013793675 = queryNorm
              0.35208598 = fieldWeight in 4541, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.1867187 = idf(docFreq=4964, maxDocs=44218)
                0.078125 = fieldNorm(doc=4541)
          0.0706891 = weight(abstract_txt:british in 4541) [ClassicSimilarity], result of:
            0.0706891 = score(doc=4541,freq=1.0), product of:
              0.15245922 = queryWeight, product of:
                1.8623658 = boost
                5.934836 = idf(docFreq=317, maxDocs=44218)
                0.013793675 = queryNorm
              0.46365905 = fieldWeight in 4541, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.934836 = idf(docFreq=317, maxDocs=44218)
                0.078125 = fieldNorm(doc=4541)
          0.08172315 = weight(abstract_txt:centre in 4541) [ClassicSimilarity], result of:
            0.08172315 = score(doc=4541,freq=1.0), product of:
              0.16793793 = queryWeight, product of:
                1.954621 = boost
                6.228827 = idf(docFreq=236, maxDocs=44218)
                0.013793675 = queryNorm
              0.4866271 = fieldWeight in 4541, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.228827 = idf(docFreq=236, maxDocs=44218)
                0.078125 = fieldNorm(doc=4541)
          0.12216996 = weight(abstract_txt:supply in 4541) [ClassicSimilarity], result of:
            0.12216996 = score(doc=4541,freq=1.0), product of:
              0.21956427 = queryWeight, product of:
                2.234956 = boost
                7.122176 = idf(docFreq=96, maxDocs=44218)
                0.013793675 = queryNorm
              0.55642 = fieldWeight in 4541, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.122176 = idf(docFreq=96, maxDocs=44218)
                0.078125 = fieldNorm(doc=4541)
          0.5210342 = weight(abstract_txt:bldsc in 4541) [ClassicSimilarity], result of:
            0.5210342 = score(doc=4541,freq=3.0), product of:
              0.4003647 = queryWeight, product of:
                3.0179777 = boost
                9.617446 = idf(docFreq=7, maxDocs=44218)
                0.013793675 = queryNorm
              1.3013989 = fieldWeight in 4541, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                9.617446 = idf(docFreq=7, maxDocs=44218)
                0.078125 = fieldNorm(doc=4541)
          0.07963426 = weight(abstract_txt:electronic in 4541) [ClassicSimilarity], result of:
            0.07963426 = score(doc=4541,freq=1.0), product of:
              0.23806329 = queryWeight, product of:
                4.0308347 = boost
                4.281712 = idf(docFreq=1660, maxDocs=44218)
                0.013793675 = queryNorm
              0.33450875 = fieldWeight in 4541, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.281712 = idf(docFreq=1660, maxDocs=44218)
                0.078125 = fieldNorm(doc=4541)
          0.15130909 = weight(abstract_txt:document in 4541) [ClassicSimilarity], result of:
            0.15130909 = score(doc=4541,freq=2.0), product of:
              0.3190353 = queryWeight, product of:
                5.388123 = boost
                4.2926083 = idf(docFreq=1642, maxDocs=44218)
                0.013793675 = queryNorm
              0.4742707 = fieldWeight in 4541, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.2926083 = idf(docFreq=1642, maxDocs=44218)
                0.078125 = fieldNorm(doc=4541)
        0.29166666 = coord(7/24)