Document (#14212)

Author
Zorn, P.
Title
Advanced web searching : tricks of the trade
Source
Online. 20(1996) no.3, S.15-28
Year
1996
Abstract
Examines, from the perspective of professional searchers, WWW search engines that provide advanced search features and search a comprehensive abd authoritative database of Internet sites. Looks at: AltaVista, InfoSeek, Lycos, and OpenText. Gives a detailed description of each of the system, their features, how to use them and how the search engines performed on sample searches
Theme
Suchmaschinen
Suchtaktik
Object
AltaVista
InfoSeek
Lycos
OpenText

Similar documents (content)

  1. Fryxell, D.A.: ¬9 Web search sites examined (1996) 0.75
    0.7542321 = sum of:
      0.7542321 = product of:
        2.3569753 = sum of:
          0.11823774 = weight(abstract_txt:searches in 5141) [ClassicSimilarity], result of:
            0.11823774 = score(doc=5141,freq=1.0), product of:
              0.120628364 = queryWeight, product of:
                1.2174776 = boost
                5.227637 = idf(docFreq=644, maxDocs=44218)
                0.018953223 = queryNorm
              0.98018193 = fieldWeight in 5141, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.227637 = idf(docFreq=644, maxDocs=44218)
                0.1875 = fieldNorm(doc=5141)
          0.13030694 = weight(abstract_txt:sites in 5141) [ClassicSimilarity], result of:
            0.13030694 = score(doc=5141,freq=1.0), product of:
              0.12870352 = queryWeight, product of:
                1.2575679 = boost
                5.399778 = idf(docFreq=542, maxDocs=44218)
                0.018953223 = queryNorm
              1.0124583 = fieldWeight in 5141, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.399778 = idf(docFreq=542, maxDocs=44218)
                0.1875 = fieldNorm(doc=5141)
          0.3307975 = weight(abstract_txt:altavista in 5141) [ClassicSimilarity], result of:
            0.3307975 = score(doc=5141,freq=1.0), product of:
              0.23950808 = queryWeight, product of:
                1.7155222 = boost
                7.3661537 = idf(docFreq=75, maxDocs=44218)
                0.018953223 = queryNorm
              1.3811538 = fieldWeight in 5141, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.3661537 = idf(docFreq=75, maxDocs=44218)
                0.1875 = fieldNorm(doc=5141)
          0.34200108 = weight(abstract_txt:lycos in 5141) [ClassicSimilarity], result of:
            0.34200108 = score(doc=5141,freq=1.0), product of:
              0.24488583 = queryWeight, product of:
                1.7346748 = boost
                7.448392 = idf(docFreq=69, maxDocs=44218)
                0.018953223 = queryNorm
              1.3965735 = fieldWeight in 5141, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.448392 = idf(docFreq=69, maxDocs=44218)
                0.1875 = fieldNorm(doc=5141)
          0.39664972 = weight(abstract_txt:infoseek in 5141) [ClassicSimilarity], result of:
            0.39664972 = score(doc=5141,freq=1.0), product of:
              0.27032328 = queryWeight, product of:
                1.8225437 = boost
                7.825686 = idf(docFreq=47, maxDocs=44218)
                0.018953223 = queryNorm
              1.4673162 = fieldWeight in 5141, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.825686 = idf(docFreq=47, maxDocs=44218)
                0.1875 = fieldNorm(doc=5141)
          0.630273 = weight(abstract_txt:opentext in 5141) [ClassicSimilarity], result of:
            0.630273 = score(doc=5141,freq=1.0), product of:
              0.36809888 = queryWeight, product of:
                2.12676 = boost
                9.131938 = idf(docFreq=12, maxDocs=44218)
                0.018953223 = queryNorm
              1.7122383 = fieldWeight in 5141, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.131938 = idf(docFreq=12, maxDocs=44218)
                0.1875 = fieldNorm(doc=5141)
          0.24665906 = weight(abstract_txt:engines in 5141) [ClassicSimilarity], result of:
            0.24665906 = score(doc=5141,freq=1.0), product of:
              0.24813427 = queryWeight, product of:
                2.469418 = boost
                5.3016257 = idf(docFreq=598, maxDocs=44218)
                0.018953223 = queryNorm
              0.9940548 = fieldWeight in 5141, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.3016257 = idf(docFreq=598, maxDocs=44218)
                0.1875 = fieldNorm(doc=5141)
          0.16205023 = weight(abstract_txt:search in 5141) [ClassicSimilarity], result of:
            0.16205023 = score(doc=5141,freq=1.0), product of:
              0.23626448 = queryWeight, product of:
                3.4077322 = boost
                3.6580524 = idf(docFreq=3098, maxDocs=44218)
                0.018953223 = queryNorm
              0.68588483 = fieldWeight in 5141, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.6580524 = idf(docFreq=3098, maxDocs=44218)
                0.1875 = fieldNorm(doc=5141)
        0.32 = coord(8/25)
    
  2. Courlois, M.P.: Cool tools for Web searching : an update (1996) 0.74
    0.7406963 = sum of:
      0.7406963 = product of:
        2.314676 = sum of:
          0.079792954 = weight(abstract_txt:examines in 5143) [ClassicSimilarity], result of:
            0.079792954 = score(doc=5143,freq=1.0), product of:
              0.092808634 = queryWeight, product of:
                1.0678996 = boost
                4.5853753 = idf(docFreq=1225, maxDocs=44218)
                0.018953223 = queryNorm
              0.8597579 = fieldWeight in 5143, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.5853753 = idf(docFreq=1225, maxDocs=44218)
                0.1875 = fieldNorm(doc=5143)
          0.12645243 = weight(abstract_txt:gives in 5143) [ClassicSimilarity], result of:
            0.12645243 = score(doc=5143,freq=1.0), product of:
              0.12615277 = queryWeight, product of:
                1.2450438 = boost
                5.3460016 = idf(docFreq=572, maxDocs=44218)
                0.018953223 = queryNorm
              1.0023754 = fieldWeight in 5143, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.3460016 = idf(docFreq=572, maxDocs=44218)
                0.1875 = fieldNorm(doc=5143)
          0.3307975 = weight(abstract_txt:altavista in 5143) [ClassicSimilarity], result of:
            0.3307975 = score(doc=5143,freq=1.0), product of:
              0.23950808 = queryWeight, product of:
                1.7155222 = boost
                7.3661537 = idf(docFreq=75, maxDocs=44218)
                0.018953223 = queryNorm
              1.3811538 = fieldWeight in 5143, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.3661537 = idf(docFreq=75, maxDocs=44218)
                0.1875 = fieldNorm(doc=5143)
          0.34200108 = weight(abstract_txt:lycos in 5143) [ClassicSimilarity], result of:
            0.34200108 = score(doc=5143,freq=1.0), product of:
              0.24488583 = queryWeight, product of:
                1.7346748 = boost
                7.448392 = idf(docFreq=69, maxDocs=44218)
                0.018953223 = queryNorm
              1.3965735 = fieldWeight in 5143, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.448392 = idf(docFreq=69, maxDocs=44218)
                0.1875 = fieldNorm(doc=5143)
          0.39664972 = weight(abstract_txt:infoseek in 5143) [ClassicSimilarity], result of:
            0.39664972 = score(doc=5143,freq=1.0), product of:
              0.27032328 = queryWeight, product of:
                1.8225437 = boost
                7.825686 = idf(docFreq=47, maxDocs=44218)
                0.018953223 = queryNorm
              1.4673162 = fieldWeight in 5143, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.825686 = idf(docFreq=47, maxDocs=44218)
                0.1875 = fieldNorm(doc=5143)
          0.630273 = weight(abstract_txt:opentext in 5143) [ClassicSimilarity], result of:
            0.630273 = score(doc=5143,freq=1.0), product of:
              0.36809888 = queryWeight, product of:
                2.12676 = boost
                9.131938 = idf(docFreq=12, maxDocs=44218)
                0.018953223 = queryNorm
              1.7122383 = fieldWeight in 5143, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.131938 = idf(docFreq=12, maxDocs=44218)
                0.1875 = fieldNorm(doc=5143)
          0.24665906 = weight(abstract_txt:engines in 5143) [ClassicSimilarity], result of:
            0.24665906 = score(doc=5143,freq=1.0), product of:
              0.24813427 = queryWeight, product of:
                2.469418 = boost
                5.3016257 = idf(docFreq=598, maxDocs=44218)
                0.018953223 = queryNorm
              0.9940548 = fieldWeight in 5143, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.3016257 = idf(docFreq=598, maxDocs=44218)
                0.1875 = fieldNorm(doc=5143)
          0.16205023 = weight(abstract_txt:search in 5143) [ClassicSimilarity], result of:
            0.16205023 = score(doc=5143,freq=1.0), product of:
              0.23626448 = queryWeight, product of:
                3.4077322 = boost
                3.6580524 = idf(docFreq=3098, maxDocs=44218)
                0.018953223 = queryNorm
              0.68588483 = fieldWeight in 5143, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.6580524 = idf(docFreq=3098, maxDocs=44218)
                0.1875 = fieldNorm(doc=5143)
        0.32 = coord(8/25)
    
  3. Internet search tool details (1996) 0.52
    0.52237207 = sum of:
      0.52237207 = product of:
        1.8656145 = sum of:
          0.10858913 = weight(abstract_txt:sites in 5677) [ClassicSimilarity], result of:
            0.10858913 = score(doc=5677,freq=1.0), product of:
              0.12870352 = queryWeight, product of:
                1.2575679 = boost
                5.399778 = idf(docFreq=542, maxDocs=44218)
                0.018953223 = queryNorm
              0.8437153 = fieldWeight in 5677, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.399778 = idf(docFreq=542, maxDocs=44218)
                0.15625 = fieldNorm(doc=5677)
          0.27566457 = weight(abstract_txt:altavista in 5677) [ClassicSimilarity], result of:
            0.27566457 = score(doc=5677,freq=1.0), product of:
              0.23950808 = queryWeight, product of:
                1.7155222 = boost
                7.3661537 = idf(docFreq=75, maxDocs=44218)
                0.018953223 = queryNorm
              1.1509615 = fieldWeight in 5677, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.3661537 = idf(docFreq=75, maxDocs=44218)
                0.15625 = fieldNorm(doc=5677)
          0.2850009 = weight(abstract_txt:lycos in 5677) [ClassicSimilarity], result of:
            0.2850009 = score(doc=5677,freq=1.0), product of:
              0.24488583 = queryWeight, product of:
                1.7346748 = boost
                7.448392 = idf(docFreq=69, maxDocs=44218)
                0.018953223 = queryNorm
              1.1638112 = fieldWeight in 5677, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.448392 = idf(docFreq=69, maxDocs=44218)
                0.15625 = fieldNorm(doc=5677)
          0.3305414 = weight(abstract_txt:infoseek in 5677) [ClassicSimilarity], result of:
            0.3305414 = score(doc=5677,freq=1.0), product of:
              0.27032328 = queryWeight, product of:
                1.8225437 = boost
                7.825686 = idf(docFreq=47, maxDocs=44218)
                0.018953223 = queryNorm
              1.2227634 = fieldWeight in 5677, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.825686 = idf(docFreq=47, maxDocs=44218)
                0.15625 = fieldNorm(doc=5677)
          0.52522755 = weight(abstract_txt:opentext in 5677) [ClassicSimilarity], result of:
            0.52522755 = score(doc=5677,freq=1.0), product of:
              0.36809888 = queryWeight, product of:
                2.12676 = boost
                9.131938 = idf(docFreq=12, maxDocs=44218)
                0.018953223 = queryNorm
              1.4268653 = fieldWeight in 5677, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.131938 = idf(docFreq=12, maxDocs=44218)
                0.15625 = fieldNorm(doc=5677)
          0.20554923 = weight(abstract_txt:engines in 5677) [ClassicSimilarity], result of:
            0.20554923 = score(doc=5677,freq=1.0), product of:
              0.24813427 = queryWeight, product of:
                2.469418 = boost
                5.3016257 = idf(docFreq=598, maxDocs=44218)
                0.018953223 = queryNorm
              0.82837903 = fieldWeight in 5677, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.3016257 = idf(docFreq=598, maxDocs=44218)
                0.15625 = fieldNorm(doc=5677)
          0.13504185 = weight(abstract_txt:search in 5677) [ClassicSimilarity], result of:
            0.13504185 = score(doc=5677,freq=1.0), product of:
              0.23626448 = queryWeight, product of:
                3.4077322 = boost
                3.6580524 = idf(docFreq=3098, maxDocs=44218)
                0.018953223 = queryNorm
              0.5715707 = fieldWeight in 5677, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.6580524 = idf(docFreq=3098, maxDocs=44218)
                0.15625 = fieldNorm(doc=5677)
        0.28 = coord(7/25)
    
  4. Venditto, G.: Search engine showdown : IW Labs tests seven Internet search tools (1996) 0.49
    0.4905861 = sum of:
      0.4905861 = product of:
        1.3627391 = sum of:
          0.06967226 = weight(abstract_txt:searches in 4983) [ClassicSimilarity], result of:
            0.06967226 = score(doc=4983,freq=2.0), product of:
              0.120628364 = queryWeight, product of:
                1.2174776 = boost
                5.227637 = idf(docFreq=644, maxDocs=44218)
                0.018953223 = queryNorm
              0.5775777 = fieldWeight in 4983, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.227637 = idf(docFreq=644, maxDocs=44218)
                0.078125 = fieldNorm(doc=4983)
          0.054294564 = weight(abstract_txt:sites in 4983) [ClassicSimilarity], result of:
            0.054294564 = score(doc=4983,freq=1.0), product of:
              0.12870352 = queryWeight, product of:
                1.2575679 = boost
                5.399778 = idf(docFreq=542, maxDocs=44218)
                0.018953223 = queryNorm
              0.42185766 = fieldWeight in 4983, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.399778 = idf(docFreq=542, maxDocs=44218)
                0.078125 = fieldNorm(doc=4983)
          0.057515923 = weight(abstract_txt:comprehensive in 4983) [ClassicSimilarity], result of:
            0.057515923 = score(doc=4983,freq=1.0), product of:
              0.13374521 = queryWeight, product of:
                1.2819626 = boost
                5.5045247 = idf(docFreq=488, maxDocs=44218)
                0.018953223 = queryNorm
              0.430041 = fieldWeight in 4983, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.5045247 = idf(docFreq=488, maxDocs=44218)
                0.078125 = fieldNorm(doc=4983)
          0.1949243 = weight(abstract_txt:altavista in 4983) [ClassicSimilarity], result of:
            0.1949243 = score(doc=4983,freq=2.0), product of:
              0.23950808 = queryWeight, product of:
                1.7155222 = boost
                7.3661537 = idf(docFreq=75, maxDocs=44218)
                0.018953223 = queryNorm
              0.81385267 = fieldWeight in 4983, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                7.3661537 = idf(docFreq=75, maxDocs=44218)
                0.078125 = fieldNorm(doc=4983)
          0.14250045 = weight(abstract_txt:lycos in 4983) [ClassicSimilarity], result of:
            0.14250045 = score(doc=4983,freq=1.0), product of:
              0.24488583 = queryWeight, product of:
                1.7346748 = boost
                7.448392 = idf(docFreq=69, maxDocs=44218)
                0.018953223 = queryNorm
              0.5819056 = fieldWeight in 4983, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.448392 = idf(docFreq=69, maxDocs=44218)
                0.078125 = fieldNorm(doc=4983)
          0.28625727 = weight(abstract_txt:infoseek in 4983) [ClassicSimilarity], result of:
            0.28625727 = score(doc=4983,freq=3.0), product of:
              0.27032328 = queryWeight, product of:
                1.8225437 = boost
                7.825686 = idf(docFreq=47, maxDocs=44218)
                0.018953223 = queryNorm
              1.0589442 = fieldWeight in 4983, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                7.825686 = idf(docFreq=47, maxDocs=44218)
                0.078125 = fieldNorm(doc=4983)
          0.26261377 = weight(abstract_txt:opentext in 4983) [ClassicSimilarity], result of:
            0.26261377 = score(doc=4983,freq=1.0), product of:
              0.36809888 = queryWeight, product of:
                2.12676 = boost
                9.131938 = idf(docFreq=12, maxDocs=44218)
                0.018953223 = queryNorm
              0.71343267 = fieldWeight in 4983, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.131938 = idf(docFreq=12, maxDocs=44218)
                0.078125 = fieldNorm(doc=4983)
          0.17801085 = weight(abstract_txt:engines in 4983) [ClassicSimilarity], result of:
            0.17801085 = score(doc=4983,freq=3.0), product of:
              0.24813427 = queryWeight, product of:
                2.469418 = boost
                5.3016257 = idf(docFreq=598, maxDocs=44218)
                0.018953223 = queryNorm
              0.7173973 = fieldWeight in 4983, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                5.3016257 = idf(docFreq=598, maxDocs=44218)
                0.078125 = fieldNorm(doc=4983)
          0.11694968 = weight(abstract_txt:search in 4983) [ClassicSimilarity], result of:
            0.11694968 = score(doc=4983,freq=3.0), product of:
              0.23626448 = queryWeight, product of:
                3.4077322 = boost
                3.6580524 = idf(docFreq=3098, maxDocs=44218)
                0.018953223 = queryNorm
              0.49499476 = fieldWeight in 4983, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                3.6580524 = idf(docFreq=3098, maxDocs=44218)
                0.078125 = fieldNorm(doc=4983)
        0.36 = coord(9/25)
    
  5. Lin, Z.; Baoming, Z.: Comparative study of WWW search tools (1998) 0.44
    0.4351108 = sum of:
      0.4351108 = product of:
        1.8129617 = sum of:
          0.27566457 = weight(abstract_txt:altavista in 3558) [ClassicSimilarity], result of:
            0.27566457 = score(doc=3558,freq=1.0), product of:
              0.23950808 = queryWeight, product of:
                1.7155222 = boost
                7.3661537 = idf(docFreq=75, maxDocs=44218)
                0.018953223 = queryNorm
              1.1509615 = fieldWeight in 3558, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.3661537 = idf(docFreq=75, maxDocs=44218)
                0.15625 = fieldNorm(doc=3558)
          0.2850009 = weight(abstract_txt:lycos in 3558) [ClassicSimilarity], result of:
            0.2850009 = score(doc=3558,freq=1.0), product of:
              0.24488583 = queryWeight, product of:
                1.7346748 = boost
                7.448392 = idf(docFreq=69, maxDocs=44218)
                0.018953223 = queryNorm
              1.1638112 = fieldWeight in 3558, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.448392 = idf(docFreq=69, maxDocs=44218)
                0.15625 = fieldNorm(doc=3558)
          0.3305414 = weight(abstract_txt:infoseek in 3558) [ClassicSimilarity], result of:
            0.3305414 = score(doc=3558,freq=1.0), product of:
              0.27032328 = queryWeight, product of:
                1.8225437 = boost
                7.825686 = idf(docFreq=47, maxDocs=44218)
                0.018953223 = queryNorm
              1.2227634 = fieldWeight in 3558, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.825686 = idf(docFreq=47, maxDocs=44218)
                0.15625 = fieldNorm(doc=3558)
          0.52522755 = weight(abstract_txt:opentext in 3558) [ClassicSimilarity], result of:
            0.52522755 = score(doc=3558,freq=1.0), product of:
              0.36809888 = queryWeight, product of:
                2.12676 = boost
                9.131938 = idf(docFreq=12, maxDocs=44218)
                0.018953223 = queryNorm
              1.4268653 = fieldWeight in 3558, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.131938 = idf(docFreq=12, maxDocs=44218)
                0.15625 = fieldNorm(doc=3558)
          0.20554923 = weight(abstract_txt:engines in 3558) [ClassicSimilarity], result of:
            0.20554923 = score(doc=3558,freq=1.0), product of:
              0.24813427 = queryWeight, product of:
                2.469418 = boost
                5.3016257 = idf(docFreq=598, maxDocs=44218)
                0.018953223 = queryNorm
              0.82837903 = fieldWeight in 3558, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.3016257 = idf(docFreq=598, maxDocs=44218)
                0.15625 = fieldNorm(doc=3558)
          0.19097802 = weight(abstract_txt:search in 3558) [ClassicSimilarity], result of:
            0.19097802 = score(doc=3558,freq=2.0), product of:
              0.23626448 = queryWeight, product of:
                3.4077322 = boost
                3.6580524 = idf(docFreq=3098, maxDocs=44218)
                0.018953223 = queryNorm
              0.808323 = fieldWeight in 3558, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.6580524 = idf(docFreq=3098, maxDocs=44218)
                0.15625 = fieldNorm(doc=3558)
        0.24 = coord(6/25)