Document (#4292)

Title
Search services and gateways
Source
Database searcher. 8(1992) no.7, S.30-34
Year
1992
Abstract
Reviews book reviews on CD-ROM from University Publications of America, large chemical reaction databases available for leasing, the Chemical Abstracts Service file of 3 dimensional chemical structures, the CD-ROM version of West's New York Supplement and California case law on CD-ROM, translation dictionaries on disk, networked CD-ROM databases from CASPR, company reports for Aerospace/defense industry online, state case law on CD-ROM from Thomson, White and Yellow page listings for the Western United States, the free fax output option from Westlaw, data on research activities from the Best North America search service, Chadwyck-Healey' Patrologia Latina Database CD-ROM on the works of early Christian thinkers and guidelines for behaviour abroad entitled Passport from the Wharton Export Network

Similar documents (content)

  1. O'Leary, M.: STN Easy solves sci-tech search woes : Web-based service opens powerful searching to sci-tech end users (1997) 0.09
    0.087724395 = sum of:
      0.087724395 = product of:
        0.5482775 = sum of:
          0.049748715 = weight(abstract_txt:databases in 2656) [ClassicSimilarity], result of:
            0.049748715 = score(doc=2656,freq=2.0), product of:
              0.102039255 = queryWeight, product of:
                1.1802939 = boost
                4.4127526 = idf(docFreq=1456, maxDocs=44218)
                0.019591494 = queryNorm
              0.48754486 = fieldWeight in 2656, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.4127526 = idf(docFreq=1456, maxDocs=44218)
                0.078125 = fieldNorm(doc=2656)
          0.06782089 = weight(abstract_txt:service in 2656) [ClassicSimilarity], result of:
            0.06782089 = score(doc=2656,freq=3.0), product of:
              0.10959514 = queryWeight, product of:
                1.2232132 = boost
                4.5732145 = idf(docFreq=1240, maxDocs=44218)
                0.019591494 = queryNorm
              0.6188312 = fieldWeight in 2656, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.5732145 = idf(docFreq=1240, maxDocs=44218)
                0.078125 = fieldNorm(doc=2656)
          0.049739096 = weight(abstract_txt:reviews in 2656) [ClassicSimilarity], result of:
            0.049739096 = score(doc=2656,freq=1.0), product of:
              0.12854484 = queryWeight, product of:
                1.3247497 = boost
                4.952828 = idf(docFreq=848, maxDocs=44218)
                0.019591494 = queryNorm
              0.38693967 = fieldWeight in 2656, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.952828 = idf(docFreq=848, maxDocs=44218)
                0.078125 = fieldNorm(doc=2656)
          0.38096878 = weight(abstract_txt:chemical in 2656) [ClassicSimilarity], result of:
            0.38096878 = score(doc=2656,freq=3.0), product of:
              0.39643526 = queryWeight, product of:
                2.8493006 = boost
                7.1017675 = idf(docFreq=98, maxDocs=44218)
                0.019591494 = queryNorm
              0.9609861 = fieldWeight in 2656, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                7.1017675 = idf(docFreq=98, maxDocs=44218)
                0.078125 = fieldNorm(doc=2656)
        0.16 = coord(4/25)
    
  2. Tratch, S.S.; Zefirov, N.S.: ¬A hierarchical classification scheme for chemical reactions (1998) 0.08
    0.08081893 = sum of:
      0.08081893 = product of:
        1.0102366 = sum of:
          0.13926947 = weight(abstract_txt:reviews in 3746) [ClassicSimilarity], result of:
            0.13926947 = score(doc=3746,freq=1.0), product of:
              0.12854484 = queryWeight, product of:
                1.3247497 = boost
                4.952828 = idf(docFreq=848, maxDocs=44218)
                0.019591494 = queryNorm
              1.0834311 = fieldWeight in 3746, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.952828 = idf(docFreq=848, maxDocs=44218)
                0.21875 = fieldNorm(doc=3746)
          0.87096715 = weight(abstract_txt:chemical in 3746) [ClassicSimilarity], result of:
            0.87096715 = score(doc=3746,freq=2.0), product of:
              0.39643526 = queryWeight, product of:
                2.8493006 = boost
                7.1017675 = idf(docFreq=98, maxDocs=44218)
                0.019591494 = queryNorm
              2.1969972 = fieldWeight in 3746, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                7.1017675 = idf(docFreq=98, maxDocs=44218)
                0.21875 = fieldNorm(doc=3746)
        0.08 = coord(2/25)
    
  3. Harry, V.; Oppenheim, C.: Evaluation of electronic databases : pt.2: testing CD-ROM products (1993) 0.08
    0.077854626 = sum of:
      0.077854626 = product of:
        0.6487886 = sum of:
          0.30364954 = weight(abstract_txt:healey in 7430) [ClassicSimilarity], result of:
            0.30364954 = score(doc=7430,freq=1.0), product of:
              0.24912336 = queryWeight, product of:
                1.3040636 = boost
                9.7509775 = idf(docFreq=6, maxDocs=44218)
                0.019591494 = queryNorm
              1.2188722 = fieldWeight in 7430, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.7509775 = idf(docFreq=6, maxDocs=44218)
                0.125 = fieldNorm(doc=7430)
          0.30364954 = weight(abstract_txt:chadwyck in 7430) [ClassicSimilarity], result of:
            0.30364954 = score(doc=7430,freq=1.0), product of:
              0.24912336 = queryWeight, product of:
                1.3040636 = boost
                9.7509775 = idf(docFreq=6, maxDocs=44218)
                0.019591494 = queryNorm
              1.2188722 = fieldWeight in 7430, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.7509775 = idf(docFreq=6, maxDocs=44218)
                0.125 = fieldNorm(doc=7430)
          0.041489497 = weight(abstract_txt:from in 7430) [ClassicSimilarity], result of:
            0.041489497 = score(doc=7430,freq=1.0), product of:
              0.12009048 = queryWeight, product of:
                2.2177951 = boost
                2.7638826 = idf(docFreq=7577, maxDocs=44218)
                0.019591494 = queryNorm
              0.34548533 = fieldWeight in 7430, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.7638826 = idf(docFreq=7577, maxDocs=44218)
                0.125 = fieldNorm(doc=7430)
        0.12 = coord(3/25)
    
  4. Jagtap, S.; Johnson, A.: Requirements and use of in-service information in an engineering redesign task : case studies from the aerospace industry (2010) 0.07
    0.072855435 = sum of:
      0.072855435 = product of:
        0.36427718 = sum of:
          0.107876986 = weight(abstract_txt:defense in 4116) [ClassicSimilarity], result of:
            0.107876986 = score(doc=4116,freq=1.0), product of:
              0.19836813 = queryWeight, product of:
                1.1636636 = boost
                8.701155 = idf(docFreq=19, maxDocs=44218)
                0.019591494 = queryNorm
              0.54382217 = fieldWeight in 4116, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.701155 = idf(docFreq=19, maxDocs=44218)
                0.0625 = fieldNorm(doc=4116)
          0.116391264 = weight(abstract_txt:aerospace in 4116) [ClassicSimilarity], result of:
            0.116391264 = score(doc=4116,freq=1.0), product of:
              0.20867302 = queryWeight, product of:
                1.1935061 = boost
                8.924298 = idf(docFreq=15, maxDocs=44218)
                0.019591494 = queryNorm
              0.55776864 = fieldWeight in 4116, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.924298 = idf(docFreq=15, maxDocs=44218)
                0.0625 = fieldNorm(doc=4116)
          0.08287851 = weight(abstract_txt:service in 4116) [ClassicSimilarity], result of:
            0.08287851 = score(doc=4116,freq=7.0), product of:
              0.10959514 = queryWeight, product of:
                1.2232132 = boost
                4.5732145 = idf(docFreq=1240, maxDocs=44218)
                0.019591494 = queryNorm
              0.7562243 = fieldWeight in 4116, product of:
                2.6457512 = tf(freq=7.0), with freq of:
                  7.0 = termFreq=7.0
                4.5732145 = idf(docFreq=1240, maxDocs=44218)
                0.0625 = fieldNorm(doc=4116)
          0.036385696 = weight(abstract_txt:case in 4116) [ClassicSimilarity], result of:
            0.036385696 = score(doc=4116,freq=1.0), product of:
              0.12110158 = queryWeight, product of:
                1.2858237 = boost
                4.807296 = idf(docFreq=981, maxDocs=44218)
                0.019591494 = queryNorm
              0.300456 = fieldWeight in 4116, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.807296 = idf(docFreq=981, maxDocs=44218)
                0.0625 = fieldNorm(doc=4116)
          0.020744748 = weight(abstract_txt:from in 4116) [ClassicSimilarity], result of:
            0.020744748 = score(doc=4116,freq=1.0), product of:
              0.12009048 = queryWeight, product of:
                2.2177951 = boost
                2.7638826 = idf(docFreq=7577, maxDocs=44218)
                0.019591494 = queryNorm
              0.17274266 = fieldWeight in 4116, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.7638826 = idf(docFreq=7577, maxDocs=44218)
                0.0625 = fieldNorm(doc=4116)
        0.2 = coord(5/25)
    
  5. Tomaszewski, R.: Citations to chemical databases in scholarly articles : to cite or not to cite? (2019) 0.07
    0.07108515 = sum of:
      0.07108515 = product of:
        0.59237623 = sum of:
          0.09748718 = weight(abstract_txt:databases in 5471) [ClassicSimilarity], result of:
            0.09748718 = score(doc=5471,freq=12.0), product of:
              0.102039255 = queryWeight, product of:
                1.1802939 = boost
                4.4127526 = idf(docFreq=1456, maxDocs=44218)
                0.019591494 = queryNorm
              0.95538896 = fieldWeight in 5471, product of:
                3.4641016 = tf(freq=12.0), with freq of:
                  12.0 = termFreq=12.0
                4.4127526 = idf(docFreq=1456, maxDocs=44218)
                0.0625 = fieldNorm(doc=5471)
          0.029337505 = weight(abstract_txt:from in 5471) [ClassicSimilarity], result of:
            0.029337505 = score(doc=5471,freq=2.0), product of:
              0.12009048 = queryWeight, product of:
                2.2177951 = boost
                2.7638826 = idf(docFreq=7577, maxDocs=44218)
                0.019591494 = queryNorm
              0.24429502 = fieldWeight in 5471, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.7638826 = idf(docFreq=7577, maxDocs=44218)
                0.0625 = fieldNorm(doc=5471)
          0.46555153 = weight(abstract_txt:chemical in 5471) [ClassicSimilarity], result of:
            0.46555153 = score(doc=5471,freq=7.0), product of:
              0.39643526 = queryWeight, product of:
                2.8493006 = boost
                7.1017675 = idf(docFreq=98, maxDocs=44218)
                0.019591494 = queryNorm
              1.1743444 = fieldWeight in 5471, product of:
                2.6457512 = tf(freq=7.0), with freq of:
                  7.0 = termFreq=7.0
                7.1017675 = idf(docFreq=98, maxDocs=44218)
                0.0625 = fieldNorm(doc=5471)
        0.12 = coord(3/25)