Document (#21559)

Author
Lin, Z.
Baoming, Z.
Title
Comparative study of WWW search tools
Source
Journal of the China Society for Scientific and Technical Information. 17(1998) no.4, S.273-280
Year
1998
Abstract
Presents the results of online tests of 9 WWW search tools: Yahoo, AltaVista, Excite, HotBot, InfoSeek, Lycos, OpenText, WebCrawler and MetaCrawler. Makes some suggestions on the research and development of WWW search engines in China
Footnote
[In Chinesisch]
Theme
Suchmaschinen
Object
Yahoo
AltaVista
Excite
HotBot
InfoSeek
Lycos
OpenText
WebCrawler
MetaCrawler
Location
China

Similar documents (content)

  1. Fryxell, D.A.: ¬9 Web search sites examined (1996) 1.34
    1.3362486 = sum of:
      1.3362486 = product of:
        3.206997 = sum of:
          0.11899228 = weight(abstract_txt:engines in 5209) [ClassicSimilarity], result of:
            0.11899228 = score(doc=5209,freq=1.0), product of:
              0.11997496 = queryWeight, product of:
                1.6741612 = boost
                5.2896495 = idf(docFreq=608, maxDocs=44421)
                0.013547727 = queryNorm
              0.99180925 = fieldWeight in 5209, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.2896495 = idf(docFreq=608, maxDocs=44421)
                0.1875 = fieldNorm(doc=5209)
          0.1804689 = weight(abstract_txt:tests in 5209) [ClassicSimilarity], result of:
            0.1804689 = score(doc=5209,freq=1.0), product of:
              0.15837246 = queryWeight, product of:
                1.9234983 = boost
                6.0774503 = idf(docFreq=276, maxDocs=44421)
                0.013547727 = queryNorm
              1.139522 = fieldWeight in 5209, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.0774503 = idf(docFreq=276, maxDocs=44421)
                0.1875 = fieldNorm(doc=5209)
          0.23391072 = weight(abstract_txt:yahoo in 5209) [ClassicSimilarity], result of:
            0.23391072 = score(doc=5209,freq=1.0), product of:
              0.18826872 = queryWeight, product of:
                2.0972059 = boost
                6.6262937 = idf(docFreq=159, maxDocs=44421)
                0.013547727 = queryNorm
              1.2424301 = fieldWeight in 5209, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.6262937 = idf(docFreq=159, maxDocs=44421)
                0.1875 = fieldNorm(doc=5209)
          0.32193658 = weight(abstract_txt:altavista in 5209) [ClassicSimilarity], result of:
            0.32193658 = score(doc=5209,freq=1.0), product of:
              0.23294763 = queryWeight, product of:
                2.3328195 = boost
                7.370734 = idf(docFreq=75, maxDocs=44421)
                0.013547727 = queryNorm
              1.3820126 = fieldWeight in 5209, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.370734 = idf(docFreq=75, maxDocs=44421)
                0.1875 = fieldNorm(doc=5209)
          0.3328332 = weight(abstract_txt:lycos in 5209) [ClassicSimilarity], result of:
            0.3328332 = score(doc=5209,freq=1.0), product of:
              0.23817483 = queryWeight, product of:
                2.3588476 = boost
                7.4529724 = idf(docFreq=69, maxDocs=44421)
                0.013547727 = queryNorm
              1.3974323 = fieldWeight in 5209, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.4529724 = idf(docFreq=69, maxDocs=44421)
                0.1875 = fieldNorm(doc=5209)
          0.37151363 = weight(abstract_txt:excite in 5209) [ClassicSimilarity], result of:
            0.37151363 = score(doc=5209,freq=1.0), product of:
              0.2562878 = queryWeight, product of:
                2.4468985 = boost
                7.731176 = idf(docFreq=52, maxDocs=44421)
                0.013547727 = queryNorm
              1.4495955 = fieldWeight in 5209, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.731176 = idf(docFreq=52, maxDocs=44421)
                0.1875 = fieldNorm(doc=5209)
          0.38598257 = weight(abstract_txt:infoseek in 5209) [ClassicSimilarity], result of:
            0.38598257 = score(doc=5209,freq=1.0), product of:
              0.26289958 = queryWeight, product of:
                2.4782603 = boost
                7.8302665 = idf(docFreq=47, maxDocs=44421)
                0.013547727 = queryNorm
              1.4681749 = fieldWeight in 5209, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.8302665 = idf(docFreq=47, maxDocs=44421)
                0.1875 = fieldNorm(doc=5209)
          0.53046227 = weight(abstract_txt:webcrawler in 5209) [ClassicSimilarity], result of:
            0.53046227 = score(doc=5209,freq=1.0), product of:
              0.32497334 = queryWeight, product of:
                2.7553442 = boost
                8.705735 = idf(docFreq=19, maxDocs=44421)
                0.013547727 = queryNorm
              1.6323254 = fieldWeight in 5209, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.705735 = idf(docFreq=19, maxDocs=44421)
                0.1875 = fieldNorm(doc=5209)
          0.6131692 = weight(abstract_txt:opentext in 5209) [ClassicSimilarity], result of:
            0.6131692 = score(doc=5209,freq=1.0), product of:
              0.35793018 = queryWeight, product of:
                2.891686 = boost
                9.1365185 = idf(docFreq=12, maxDocs=44421)
                0.013547727 = queryNorm
              1.7130972 = fieldWeight in 5209, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.1365185 = idf(docFreq=12, maxDocs=44421)
                0.1875 = fieldNorm(doc=5209)
          0.117727555 = weight(abstract_txt:search in 5209) [ClassicSimilarity], result of:
            0.117727555 = score(doc=5209,freq=1.0), product of:
              0.17180558 = queryWeight, product of:
                3.470014 = boost
                3.654598 = idf(docFreq=3123, maxDocs=44421)
                0.013547727 = queryNorm
              0.6852371 = fieldWeight in 5209, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.654598 = idf(docFreq=3123, maxDocs=44421)
                0.1875 = fieldNorm(doc=5209)
        0.41666666 = coord(10/24)
    
  2. Courlois, M.P.: Cool tools for Web searching : an update (1996) 1.13
    1.134948 = sum of:
      1.134948 = product of:
        3.026528 = sum of:
          0.11899228 = weight(abstract_txt:engines in 5211) [ClassicSimilarity], result of:
            0.11899228 = score(doc=5211,freq=1.0), product of:
              0.11997496 = queryWeight, product of:
                1.6741612 = boost
                5.2896495 = idf(docFreq=608, maxDocs=44421)
                0.013547727 = queryNorm
              0.99180925 = fieldWeight in 5211, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.2896495 = idf(docFreq=608, maxDocs=44421)
                0.1875 = fieldNorm(doc=5211)
          0.23391072 = weight(abstract_txt:yahoo in 5211) [ClassicSimilarity], result of:
            0.23391072 = score(doc=5211,freq=1.0), product of:
              0.18826872 = queryWeight, product of:
                2.0972059 = boost
                6.6262937 = idf(docFreq=159, maxDocs=44421)
                0.013547727 = queryNorm
              1.2424301 = fieldWeight in 5211, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.6262937 = idf(docFreq=159, maxDocs=44421)
                0.1875 = fieldNorm(doc=5211)
          0.32193658 = weight(abstract_txt:altavista in 5211) [ClassicSimilarity], result of:
            0.32193658 = score(doc=5211,freq=1.0), product of:
              0.23294763 = queryWeight, product of:
                2.3328195 = boost
                7.370734 = idf(docFreq=75, maxDocs=44421)
                0.013547727 = queryNorm
              1.3820126 = fieldWeight in 5211, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.370734 = idf(docFreq=75, maxDocs=44421)
                0.1875 = fieldNorm(doc=5211)
          0.3328332 = weight(abstract_txt:lycos in 5211) [ClassicSimilarity], result of:
            0.3328332 = score(doc=5211,freq=1.0), product of:
              0.23817483 = queryWeight, product of:
                2.3588476 = boost
                7.4529724 = idf(docFreq=69, maxDocs=44421)
                0.013547727 = queryNorm
              1.3974323 = fieldWeight in 5211, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.4529724 = idf(docFreq=69, maxDocs=44421)
                0.1875 = fieldNorm(doc=5211)
          0.37151363 = weight(abstract_txt:excite in 5211) [ClassicSimilarity], result of:
            0.37151363 = score(doc=5211,freq=1.0), product of:
              0.2562878 = queryWeight, product of:
                2.4468985 = boost
                7.731176 = idf(docFreq=52, maxDocs=44421)
                0.013547727 = queryNorm
              1.4495955 = fieldWeight in 5211, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.731176 = idf(docFreq=52, maxDocs=44421)
                0.1875 = fieldNorm(doc=5211)
          0.38598257 = weight(abstract_txt:infoseek in 5211) [ClassicSimilarity], result of:
            0.38598257 = score(doc=5211,freq=1.0), product of:
              0.26289958 = queryWeight, product of:
                2.4782603 = boost
                7.8302665 = idf(docFreq=47, maxDocs=44421)
                0.013547727 = queryNorm
              1.4681749 = fieldWeight in 5211, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.8302665 = idf(docFreq=47, maxDocs=44421)
                0.1875 = fieldNorm(doc=5211)
          0.53046227 = weight(abstract_txt:webcrawler in 5211) [ClassicSimilarity], result of:
            0.53046227 = score(doc=5211,freq=1.0), product of:
              0.32497334 = queryWeight, product of:
                2.7553442 = boost
                8.705735 = idf(docFreq=19, maxDocs=44421)
                0.013547727 = queryNorm
              1.6323254 = fieldWeight in 5211, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.705735 = idf(docFreq=19, maxDocs=44421)
                0.1875 = fieldNorm(doc=5211)
          0.6131692 = weight(abstract_txt:opentext in 5211) [ClassicSimilarity], result of:
            0.6131692 = score(doc=5211,freq=1.0), product of:
              0.35793018 = queryWeight, product of:
                2.891686 = boost
                9.1365185 = idf(docFreq=12, maxDocs=44421)
                0.013547727 = queryNorm
              1.7130972 = fieldWeight in 5211, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.1365185 = idf(docFreq=12, maxDocs=44421)
                0.1875 = fieldNorm(doc=5211)
          0.117727555 = weight(abstract_txt:search in 5211) [ClassicSimilarity], result of:
            0.117727555 = score(doc=5211,freq=1.0), product of:
              0.17180558 = queryWeight, product of:
                3.470014 = boost
                3.654598 = idf(docFreq=3123, maxDocs=44421)
                0.013547727 = queryNorm
              0.6852371 = fieldWeight in 5211, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.654598 = idf(docFreq=3123, maxDocs=44421)
                0.1875 = fieldNorm(doc=5211)
        0.375 = coord(9/24)
    
  3. Internet search tool details (1996) 1.03
    1.0343786 = sum of:
      1.0343786 = product of:
        2.482509 = sum of:
          0.028202489 = weight(abstract_txt:results in 5745) [ClassicSimilarity], result of:
            0.028202489 = score(doc=5745,freq=1.0), product of:
              0.051886838 = queryWeight, product of:
                1.1009829 = boost
                3.4786456 = idf(docFreq=3724, maxDocs=44421)
                0.013547727 = queryNorm
              0.5435384 = fieldWeight in 5745, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4786456 = idf(docFreq=3724, maxDocs=44421)
                0.15625 = fieldNorm(doc=5745)
          0.09916024 = weight(abstract_txt:engines in 5745) [ClassicSimilarity], result of:
            0.09916024 = score(doc=5745,freq=1.0), product of:
              0.11997496 = queryWeight, product of:
                1.6741612 = boost
                5.2896495 = idf(docFreq=608, maxDocs=44421)
                0.013547727 = queryNorm
              0.82650775 = fieldWeight in 5745, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.2896495 = idf(docFreq=608, maxDocs=44421)
                0.15625 = fieldNorm(doc=5745)
          0.1949256 = weight(abstract_txt:yahoo in 5745) [ClassicSimilarity], result of:
            0.1949256 = score(doc=5745,freq=1.0), product of:
              0.18826872 = queryWeight, product of:
                2.0972059 = boost
                6.6262937 = idf(docFreq=159, maxDocs=44421)
                0.013547727 = queryNorm
              1.0353584 = fieldWeight in 5745, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.6262937 = idf(docFreq=159, maxDocs=44421)
                0.15625 = fieldNorm(doc=5745)
          0.26828048 = weight(abstract_txt:altavista in 5745) [ClassicSimilarity], result of:
            0.26828048 = score(doc=5745,freq=1.0), product of:
              0.23294763 = queryWeight, product of:
                2.3328195 = boost
                7.370734 = idf(docFreq=75, maxDocs=44421)
                0.013547727 = queryNorm
              1.1516773 = fieldWeight in 5745, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.370734 = idf(docFreq=75, maxDocs=44421)
                0.15625 = fieldNorm(doc=5745)
          0.277361 = weight(abstract_txt:lycos in 5745) [ClassicSimilarity], result of:
            0.277361 = score(doc=5745,freq=1.0), product of:
              0.23817483 = queryWeight, product of:
                2.3588476 = boost
                7.4529724 = idf(docFreq=69, maxDocs=44421)
                0.013547727 = queryNorm
              1.1645269 = fieldWeight in 5745, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.4529724 = idf(docFreq=69, maxDocs=44421)
                0.15625 = fieldNorm(doc=5745)
          0.30959472 = weight(abstract_txt:excite in 5745) [ClassicSimilarity], result of:
            0.30959472 = score(doc=5745,freq=1.0), product of:
              0.2562878 = queryWeight, product of:
                2.4468985 = boost
                7.731176 = idf(docFreq=52, maxDocs=44421)
                0.013547727 = queryNorm
              1.2079962 = fieldWeight in 5745, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.731176 = idf(docFreq=52, maxDocs=44421)
                0.15625 = fieldNorm(doc=5745)
          0.32165214 = weight(abstract_txt:infoseek in 5745) [ClassicSimilarity], result of:
            0.32165214 = score(doc=5745,freq=1.0), product of:
              0.26289958 = queryWeight, product of:
                2.4782603 = boost
                7.8302665 = idf(docFreq=47, maxDocs=44421)
                0.013547727 = queryNorm
              1.2234792 = fieldWeight in 5745, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.8302665 = idf(docFreq=47, maxDocs=44421)
                0.15625 = fieldNorm(doc=5745)
          0.37425143 = weight(abstract_txt:hotbot in 5745) [ClassicSimilarity], result of:
            0.37425143 = score(doc=5745,freq=1.0), product of:
              0.29083136 = queryWeight, product of:
                2.6065893 = boost
                8.235732 = idf(docFreq=31, maxDocs=44421)
                0.013547727 = queryNorm
              1.2868332 = fieldWeight in 5745, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.235732 = idf(docFreq=31, maxDocs=44421)
                0.15625 = fieldNorm(doc=5745)
          0.51097435 = weight(abstract_txt:opentext in 5745) [ClassicSimilarity], result of:
            0.51097435 = score(doc=5745,freq=1.0), product of:
              0.35793018 = queryWeight, product of:
                2.891686 = boost
                9.1365185 = idf(docFreq=12, maxDocs=44421)
                0.013547727 = queryNorm
              1.4275811 = fieldWeight in 5745, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.1365185 = idf(docFreq=12, maxDocs=44421)
                0.15625 = fieldNorm(doc=5745)
          0.098106295 = weight(abstract_txt:search in 5745) [ClassicSimilarity], result of:
            0.098106295 = score(doc=5745,freq=1.0), product of:
              0.17180558 = queryWeight, product of:
                3.470014 = boost
                3.654598 = idf(docFreq=3123, maxDocs=44421)
                0.013547727 = queryNorm
              0.5710309 = fieldWeight in 5745, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.654598 = idf(docFreq=3123, maxDocs=44421)
                0.15625 = fieldNorm(doc=5745)
        0.41666666 = coord(10/24)
    
  4. Liu, H.-M.C.: Selection and comparison of WWW search tools (1996) 0.90
    0.89847165 = sum of:
      0.89847165 = product of:
        1.9603018 = sum of:
          0.02334491 = weight(abstract_txt:some in 1617) [ClassicSimilarity], result of:
            0.02334491 = score(doc=1617,freq=1.0), product of:
              0.05802231 = queryWeight, product of:
                1.1642587 = boost
                3.6785707 = idf(docFreq=3049, maxDocs=44421)
                0.013547727 = queryNorm
              0.4023437 = fieldWeight in 1617, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.6785707 = idf(docFreq=3049, maxDocs=44421)
                0.109375 = fieldNorm(doc=1617)
          0.069412164 = weight(abstract_txt:engines in 1617) [ClassicSimilarity], result of:
            0.069412164 = score(doc=1617,freq=1.0), product of:
              0.11997496 = queryWeight, product of:
                1.6741612 = boost
                5.2896495 = idf(docFreq=608, maxDocs=44421)
                0.013547727 = queryNorm
              0.5785554 = fieldWeight in 1617, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.2896495 = idf(docFreq=608, maxDocs=44421)
                0.109375 = fieldNorm(doc=1617)
          0.13644792 = weight(abstract_txt:yahoo in 1617) [ClassicSimilarity], result of:
            0.13644792 = score(doc=1617,freq=1.0), product of:
              0.18826872 = queryWeight, product of:
                2.0972059 = boost
                6.6262937 = idf(docFreq=159, maxDocs=44421)
                0.013547727 = queryNorm
              0.7247509 = fieldWeight in 1617, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.6262937 = idf(docFreq=159, maxDocs=44421)
                0.109375 = fieldNorm(doc=1617)
          0.18779634 = weight(abstract_txt:altavista in 1617) [ClassicSimilarity], result of:
            0.18779634 = score(doc=1617,freq=1.0), product of:
              0.23294763 = queryWeight, product of:
                2.3328195 = boost
                7.370734 = idf(docFreq=75, maxDocs=44421)
                0.013547727 = queryNorm
              0.80617404 = fieldWeight in 1617, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.370734 = idf(docFreq=75, maxDocs=44421)
                0.109375 = fieldNorm(doc=1617)
          0.1941527 = weight(abstract_txt:lycos in 1617) [ClassicSimilarity], result of:
            0.1941527 = score(doc=1617,freq=1.0), product of:
              0.23817483 = queryWeight, product of:
                2.3588476 = boost
                7.4529724 = idf(docFreq=69, maxDocs=44421)
                0.013547727 = queryNorm
              0.81516886 = fieldWeight in 1617, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.4529724 = idf(docFreq=69, maxDocs=44421)
                0.109375 = fieldNorm(doc=1617)
          0.2167163 = weight(abstract_txt:excite in 1617) [ClassicSimilarity], result of:
            0.2167163 = score(doc=1617,freq=1.0), product of:
              0.2562878 = queryWeight, product of:
                2.4468985 = boost
                7.731176 = idf(docFreq=52, maxDocs=44421)
                0.013547727 = queryNorm
              0.8455974 = fieldWeight in 1617, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.731176 = idf(docFreq=52, maxDocs=44421)
                0.109375 = fieldNorm(doc=1617)
          0.22515652 = weight(abstract_txt:infoseek in 1617) [ClassicSimilarity], result of:
            0.22515652 = score(doc=1617,freq=1.0), product of:
              0.26289958 = queryWeight, product of:
                2.4782603 = boost
                7.8302665 = idf(docFreq=47, maxDocs=44421)
                0.013547727 = queryNorm
              0.8564354 = fieldWeight in 1617, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.8302665 = idf(docFreq=47, maxDocs=44421)
                0.109375 = fieldNorm(doc=1617)
          0.3094363 = weight(abstract_txt:webcrawler in 1617) [ClassicSimilarity], result of:
            0.3094363 = score(doc=1617,freq=1.0), product of:
              0.32497334 = queryWeight, product of:
                2.7553442 = boost
                8.705735 = idf(docFreq=19, maxDocs=44421)
                0.013547727 = queryNorm
              0.9521898 = fieldWeight in 1617, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.705735 = idf(docFreq=19, maxDocs=44421)
                0.109375 = fieldNorm(doc=1617)
          0.14303634 = weight(abstract_txt:tools in 1617) [ClassicSimilarity], result of:
            0.14303634 = score(doc=1617,freq=3.0), product of:
              0.16972041 = queryWeight, product of:
                2.8160088 = boost
                4.448705 = idf(docFreq=1411, maxDocs=44421)
                0.013547727 = queryNorm
              0.8427763 = fieldWeight in 1617, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.448705 = idf(docFreq=1411, maxDocs=44421)
                0.109375 = fieldNorm(doc=1617)
          0.35768202 = weight(abstract_txt:opentext in 1617) [ClassicSimilarity], result of:
            0.35768202 = score(doc=1617,freq=1.0), product of:
              0.35793018 = queryWeight, product of:
                2.891686 = boost
                9.1365185 = idf(docFreq=12, maxDocs=44421)
                0.013547727 = queryNorm
              0.9993067 = fieldWeight in 1617, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.1365185 = idf(docFreq=12, maxDocs=44421)
                0.109375 = fieldNorm(doc=1617)
          0.097120285 = weight(abstract_txt:search in 1617) [ClassicSimilarity], result of:
            0.097120285 = score(doc=1617,freq=2.0), product of:
              0.17180558 = queryWeight, product of:
                3.470014 = boost
                3.654598 = idf(docFreq=3123, maxDocs=44421)
                0.013547727 = queryNorm
              0.5652918 = fieldWeight in 1617, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.654598 = idf(docFreq=3123, maxDocs=44421)
                0.109375 = fieldNorm(doc=1617)
        0.45833334 = coord(11/24)
    
  5. Feldman, S.: "Just the answer, please" : choosing a Web search service (1997) 0.84
    0.8408764 = sum of:
      0.8408764 = product of:
        2.0181034 = sum of:
          0.019741742 = weight(abstract_txt:results in 1770) [ClassicSimilarity], result of:
            0.019741742 = score(doc=1770,freq=1.0), product of:
              0.051886838 = queryWeight, product of:
                1.1009829 = boost
                3.4786456 = idf(docFreq=3724, maxDocs=44421)
                0.013547727 = queryNorm
              0.38047686 = fieldWeight in 1770, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4786456 = idf(docFreq=3724, maxDocs=44421)
                0.109375 = fieldNorm(doc=1770)
          0.069412164 = weight(abstract_txt:engines in 1770) [ClassicSimilarity], result of:
            0.069412164 = score(doc=1770,freq=1.0), product of:
              0.11997496 = queryWeight, product of:
                1.6741612 = boost
                5.2896495 = idf(docFreq=608, maxDocs=44421)
                0.013547727 = queryNorm
              0.5785554 = fieldWeight in 1770, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.2896495 = idf(docFreq=608, maxDocs=44421)
                0.109375 = fieldNorm(doc=1770)
          0.14887924 = weight(abstract_txt:tests in 1770) [ClassicSimilarity], result of:
            0.14887924 = score(doc=1770,freq=2.0), product of:
              0.15837246 = queryWeight, product of:
                1.9234983 = boost
                6.0774503 = idf(docFreq=276, maxDocs=44421)
                0.013547727 = queryNorm
              0.94005764 = fieldWeight in 1770, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.0774503 = idf(docFreq=276, maxDocs=44421)
                0.109375 = fieldNorm(doc=1770)
          0.18779634 = weight(abstract_txt:altavista in 1770) [ClassicSimilarity], result of:
            0.18779634 = score(doc=1770,freq=1.0), product of:
              0.23294763 = queryWeight, product of:
                2.3328195 = boost
                7.370734 = idf(docFreq=75, maxDocs=44421)
                0.013547727 = queryNorm
              0.80617404 = fieldWeight in 1770, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.370734 = idf(docFreq=75, maxDocs=44421)
                0.109375 = fieldNorm(doc=1770)
          0.1941527 = weight(abstract_txt:lycos in 1770) [ClassicSimilarity], result of:
            0.1941527 = score(doc=1770,freq=1.0), product of:
              0.23817483 = queryWeight, product of:
                2.3588476 = boost
                7.4529724 = idf(docFreq=69, maxDocs=44421)
                0.013547727 = queryNorm
              0.81516886 = fieldWeight in 1770, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.4529724 = idf(docFreq=69, maxDocs=44421)
                0.109375 = fieldNorm(doc=1770)
          0.30648312 = weight(abstract_txt:excite in 1770) [ClassicSimilarity], result of:
            0.30648312 = score(doc=1770,freq=2.0), product of:
              0.2562878 = queryWeight, product of:
                2.4468985 = boost
                7.731176 = idf(docFreq=52, maxDocs=44421)
                0.013547727 = queryNorm
              1.1958553 = fieldWeight in 1770, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                7.731176 = idf(docFreq=52, maxDocs=44421)
                0.109375 = fieldNorm(doc=1770)
          0.31841937 = weight(abstract_txt:infoseek in 1770) [ClassicSimilarity], result of:
            0.31841937 = score(doc=1770,freq=2.0), product of:
              0.26289958 = queryWeight, product of:
                2.4782603 = boost
                7.8302665 = idf(docFreq=47, maxDocs=44421)
                0.013547727 = queryNorm
              1.2111825 = fieldWeight in 1770, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                7.8302665 = idf(docFreq=47, maxDocs=44421)
                0.109375 = fieldNorm(doc=1770)
          0.261976 = weight(abstract_txt:hotbot in 1770) [ClassicSimilarity], result of:
            0.261976 = score(doc=1770,freq=1.0), product of:
              0.29083136 = queryWeight, product of:
                2.6065893 = boost
                8.235732 = idf(docFreq=31, maxDocs=44421)
                0.013547727 = queryNorm
              0.9007832 = fieldWeight in 1770, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.235732 = idf(docFreq=31, maxDocs=44421)
                0.109375 = fieldNorm(doc=1770)
          0.35768202 = weight(abstract_txt:opentext in 1770) [ClassicSimilarity], result of:
            0.35768202 = score(doc=1770,freq=1.0), product of:
              0.35793018 = queryWeight, product of:
                2.891686 = boost
                9.1365185 = idf(docFreq=12, maxDocs=44421)
                0.013547727 = queryNorm
              0.9993067 = fieldWeight in 1770, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.1365185 = idf(docFreq=12, maxDocs=44421)
                0.109375 = fieldNorm(doc=1770)
          0.15356065 = weight(abstract_txt:search in 1770) [ClassicSimilarity], result of:
            0.15356065 = score(doc=1770,freq=5.0), product of:
              0.17180558 = queryWeight, product of:
                3.470014 = boost
                3.654598 = idf(docFreq=3123, maxDocs=44421)
                0.013547727 = queryNorm
              0.8938048 = fieldWeight in 1770, product of:
                2.236068 = tf(freq=5.0), with freq of:
                  5.0 = termFreq=5.0
                3.654598 = idf(docFreq=3123, maxDocs=44421)
                0.109375 = fieldNorm(doc=1770)
        0.41666666 = coord(10/24)