Document (#18620)

Author
Kimmel, S.
Title
WWW search tools in reference services
Source
Reference librarian. 1997, no.57, S.5-20
Year
1997
Abstract
Gives an introduction to the WWW search tools for reference services, including robot generated services, review/rating services, metasearch engines, and subject directories
Footnote
Contribution to an issue devoted to reference sources on the Internet
Theme
Suchmaschinen

Similar documents (content)

  1. Sirapyan, N.: In Search of... (2001) 0.37
    0.37262726 = sum of:
      0.37262726 = product of:
        0.79848695 = sum of:
          0.040751465 = weight(abstract_txt:review in 5661) [ClassicSimilarity], result of:
            0.040751465 = score(doc=5661,freq=1.0), product of:
              0.13420312 = queryWeight, product of:
                1.2435267 = boost
                4.858482 = idf(docFreq=932, maxDocs=44218)
                0.022212986 = queryNorm
              0.30365512 = fieldWeight in 5661, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.858482 = idf(docFreq=932, maxDocs=44218)
                0.0625 = fieldNorm(doc=5661)
          0.09171266 = weight(abstract_txt:engines in 5661) [ClassicSimilarity], result of:
            0.09171266 = score(doc=5661,freq=3.0), product of:
              0.15980104 = queryWeight, product of:
                1.3569492 = boost
                5.3016257 = idf(docFreq=598, maxDocs=44218)
                0.022212986 = queryNorm
              0.5739178 = fieldWeight in 5661, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                5.3016257 = idf(docFreq=598, maxDocs=44218)
                0.0625 = fieldNorm(doc=5661)
          0.076779224 = weight(abstract_txt:gives in 5661) [ClassicSimilarity], result of:
            0.076779224 = score(doc=5661,freq=2.0), product of:
              0.16248737 = queryWeight, product of:
                1.3683071 = boost
                5.3460016 = idf(docFreq=572, maxDocs=44218)
                0.022212986 = queryNorm
              0.47252426 = fieldWeight in 5661, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.3460016 = idf(docFreq=572, maxDocs=44218)
                0.0625 = fieldNorm(doc=5661)
          0.13371249 = weight(abstract_txt:directories in 5661) [ClassicSimilarity], result of:
            0.13371249 = score(doc=5661,freq=1.0), product of:
              0.2963342 = queryWeight, product of:
                1.8478414 = boost
                7.2195506 = idf(docFreq=87, maxDocs=44218)
                0.022212986 = queryNorm
              0.4512219 = fieldWeight in 5661, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.2195506 = idf(docFreq=87, maxDocs=44218)
                0.0625 = fieldNorm(doc=5661)
          0.08521125 = weight(abstract_txt:search in 5661) [ClassicSimilarity], result of:
            0.08521125 = score(doc=5661,freq=6.0), product of:
              0.15215679 = queryWeight, product of:
                1.8725544 = boost
                3.6580524 = idf(docFreq=3098, maxDocs=44218)
                0.022212986 = queryNorm
              0.56002265 = fieldWeight in 5661, product of:
                2.4494898 = tf(freq=6.0), with freq of:
                  6.0 = termFreq=6.0
                3.6580524 = idf(docFreq=3098, maxDocs=44218)
                0.0625 = fieldNorm(doc=5661)
          0.23016854 = weight(abstract_txt:metasearch in 5661) [ClassicSimilarity], result of:
            0.23016854 = score(doc=5661,freq=1.0), product of:
              0.4256289 = queryWeight, product of:
                2.2145696 = boost
                8.652365 = idf(docFreq=20, maxDocs=44218)
                0.022212986 = queryNorm
              0.5407728 = fieldWeight in 5661, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.652365 = idf(docFreq=20, maxDocs=44218)
                0.0625 = fieldNorm(doc=5661)
          0.1401513 = weight(abstract_txt:tools in 5661) [ClassicSimilarity], result of:
            0.1401513 = score(doc=5661,freq=5.0), product of:
              0.22529519 = queryWeight, product of:
                2.2785823 = boost
                4.451232 = idf(docFreq=1401, maxDocs=44218)
                0.022212986 = queryNorm
              0.6220786 = fieldWeight in 5661, product of:
                2.236068 = tf(freq=5.0), with freq of:
                  5.0 = termFreq=5.0
                4.451232 = idf(docFreq=1401, maxDocs=44218)
                0.0625 = fieldNorm(doc=5661)
        0.46666667 = coord(7/15)
    
  2. Teets, M.; Murray, P.: Metasearch authentication and access management (2006) 0.34
    0.3362665 = sum of:
      0.3362665 = product of:
        1.0087994 = sum of:
          0.029292636 = weight(abstract_txt:including in 1154) [ClassicSimilarity], result of:
            0.029292636 = score(doc=1154,freq=1.0), product of:
              0.10768935 = queryWeight, product of:
                1.1139358 = boost
                4.352168 = idf(docFreq=1547, maxDocs=44218)
                0.022212986 = queryNorm
              0.2720105 = fieldWeight in 1154, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.352168 = idf(docFreq=1547, maxDocs=44218)
                0.0625 = fieldNorm(doc=1154)
          0.07778687 = weight(abstract_txt:search in 1154) [ClassicSimilarity], result of:
            0.07778687 = score(doc=1154,freq=5.0), product of:
              0.15215679 = queryWeight, product of:
                1.8725544 = boost
                3.6580524 = idf(docFreq=3098, maxDocs=44218)
                0.022212986 = queryNorm
              0.5112284 = fieldWeight in 1154, product of:
                2.236068 = tf(freq=5.0), with freq of:
                  5.0 = termFreq=5.0
                3.6580524 = idf(docFreq=3098, maxDocs=44218)
                0.0625 = fieldNorm(doc=1154)
          0.69050556 = weight(abstract_txt:metasearch in 1154) [ClassicSimilarity], result of:
            0.69050556 = score(doc=1154,freq=9.0), product of:
              0.4256289 = queryWeight, product of:
                2.2145696 = boost
                8.652365 = idf(docFreq=20, maxDocs=44218)
                0.022212986 = queryNorm
              1.6223184 = fieldWeight in 1154, product of:
                3.0 = tf(freq=9.0), with freq of:
                  9.0 = termFreq=9.0
                8.652365 = idf(docFreq=20, maxDocs=44218)
                0.0625 = fieldNorm(doc=1154)
          0.06267757 = weight(abstract_txt:tools in 1154) [ClassicSimilarity], result of:
            0.06267757 = score(doc=1154,freq=1.0), product of:
              0.22529519 = queryWeight, product of:
                2.2785823 = boost
                4.451232 = idf(docFreq=1401, maxDocs=44218)
                0.022212986 = queryNorm
              0.278202 = fieldWeight in 1154, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.451232 = idf(docFreq=1401, maxDocs=44218)
                0.0625 = fieldNorm(doc=1154)
          0.14853679 = weight(abstract_txt:services in 1154) [ClassicSimilarity], result of:
            0.14853679 = score(doc=1154,freq=2.0), product of:
              0.40046677 = queryWeight, product of:
                4.296225 = boost
                4.1963577 = idf(docFreq=1808, maxDocs=44218)
                0.022212986 = queryNorm
              0.37090912 = fieldWeight in 1154, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.1963577 = idf(docFreq=1808, maxDocs=44218)
                0.0625 = fieldNorm(doc=1154)
        0.33333334 = coord(5/15)
    
  3. Duchemin, P.-Y.: ¬La recherche d'informations sur l'internet : repertoires et moteurs de recherche (1997) 0.31
    0.30804917 = sum of:
      0.30804917 = product of:
        0.66010535 = sum of:
          0.03178844 = weight(abstract_txt:subject in 884) [ClassicSimilarity], result of:
            0.03178844 = score(doc=884,freq=1.0), product of:
              0.08678655 = queryWeight, product of:
                3.9070187 = idf(docFreq=2415, maxDocs=44218)
                0.022212986 = queryNorm
              0.366283 = fieldWeight in 884, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.9070187 = idf(docFreq=2415, maxDocs=44218)
                0.09375 = fieldNorm(doc=884)
          0.043938953 = weight(abstract_txt:including in 884) [ClassicSimilarity], result of:
            0.043938953 = score(doc=884,freq=1.0), product of:
              0.10768935 = queryWeight, product of:
                1.1139358 = boost
                4.352168 = idf(docFreq=1547, maxDocs=44218)
                0.022212986 = queryNorm
              0.40801576 = fieldWeight in 884, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.352168 = idf(docFreq=1547, maxDocs=44218)
                0.09375 = fieldNorm(doc=884)
          0.11232461 = weight(abstract_txt:engines in 884) [ClassicSimilarity], result of:
            0.11232461 = score(doc=884,freq=2.0), product of:
              0.15980104 = queryWeight, product of:
                1.3569492 = boost
                5.3016257 = idf(docFreq=598, maxDocs=44218)
                0.022212986 = queryNorm
              0.7029029 = fieldWeight in 884, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.3016257 = idf(docFreq=598, maxDocs=44218)
                0.09375 = fieldNorm(doc=884)
          0.08143667 = weight(abstract_txt:gives in 884) [ClassicSimilarity], result of:
            0.08143667 = score(doc=884,freq=1.0), product of:
              0.16248737 = queryWeight, product of:
                1.3683071 = boost
                5.3460016 = idf(docFreq=572, maxDocs=44218)
                0.022212986 = queryNorm
              0.5011877 = fieldWeight in 884, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.3460016 = idf(docFreq=572, maxDocs=44218)
                0.09375 = fieldNorm(doc=884)
          0.0737951 = weight(abstract_txt:search in 884) [ClassicSimilarity], result of:
            0.0737951 = score(doc=884,freq=2.0), product of:
              0.15215679 = queryWeight, product of:
                1.8725544 = boost
                3.6580524 = idf(docFreq=3098, maxDocs=44218)
                0.022212986 = queryNorm
              0.48499382 = fieldWeight in 884, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.6580524 = idf(docFreq=3098, maxDocs=44218)
                0.09375 = fieldNorm(doc=884)
          0.09401636 = weight(abstract_txt:tools in 884) [ClassicSimilarity], result of:
            0.09401636 = score(doc=884,freq=1.0), product of:
              0.22529519 = queryWeight, product of:
                2.2785823 = boost
                4.451232 = idf(docFreq=1401, maxDocs=44218)
                0.022212986 = queryNorm
              0.417303 = fieldWeight in 884, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.451232 = idf(docFreq=1401, maxDocs=44218)
                0.09375 = fieldNorm(doc=884)
          0.22280517 = weight(abstract_txt:services in 884) [ClassicSimilarity], result of:
            0.22280517 = score(doc=884,freq=2.0), product of:
              0.40046677 = queryWeight, product of:
                4.296225 = boost
                4.1963577 = idf(docFreq=1808, maxDocs=44218)
                0.022212986 = queryNorm
              0.5563637 = fieldWeight in 884, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.1963577 = idf(docFreq=1808, maxDocs=44218)
                0.09375 = fieldNorm(doc=884)
        0.46666667 = coord(7/15)
    
  4. Collins, B.R.: Webwatch (1997) 0.28
    0.27536938 = sum of:
      0.27536938 = product of:
        0.8261081 = sum of:
          0.05858527 = weight(abstract_txt:including in 172) [ClassicSimilarity], result of:
            0.05858527 = score(doc=172,freq=1.0), product of:
              0.10768935 = queryWeight, product of:
                1.1139358 = boost
                4.352168 = idf(docFreq=1547, maxDocs=44218)
                0.022212986 = queryNorm
              0.544021 = fieldWeight in 172, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.352168 = idf(docFreq=1547, maxDocs=44218)
                0.125 = fieldNorm(doc=172)
          0.14116721 = weight(abstract_txt:review in 172) [ClassicSimilarity], result of:
            0.14116721 = score(doc=172,freq=3.0), product of:
              0.13420312 = queryWeight, product of:
                1.2435267 = boost
                4.858482 = idf(docFreq=932, maxDocs=44218)
                0.022212986 = queryNorm
              1.0518922 = fieldWeight in 172, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.858482 = idf(docFreq=932, maxDocs=44218)
                0.125 = fieldNorm(doc=172)
          0.14976615 = weight(abstract_txt:engines in 172) [ClassicSimilarity], result of:
            0.14976615 = score(doc=172,freq=2.0), product of:
              0.15980104 = queryWeight, product of:
                1.3569492 = boost
                5.3016257 = idf(docFreq=598, maxDocs=44218)
                0.022212986 = queryNorm
              0.9372039 = fieldWeight in 172, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.3016257 = idf(docFreq=598, maxDocs=44218)
                0.125 = fieldNorm(doc=172)
          0.37819603 = weight(abstract_txt:directories in 172) [ClassicSimilarity], result of:
            0.37819603 = score(doc=172,freq=2.0), product of:
              0.2963342 = queryWeight, product of:
                1.8478414 = boost
                7.2195506 = idf(docFreq=87, maxDocs=44218)
                0.022212986 = queryNorm
              1.2762483 = fieldWeight in 172, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                7.2195506 = idf(docFreq=87, maxDocs=44218)
                0.125 = fieldNorm(doc=172)
          0.09839347 = weight(abstract_txt:search in 172) [ClassicSimilarity], result of:
            0.09839347 = score(doc=172,freq=2.0), product of:
              0.15215679 = queryWeight, product of:
                1.8725544 = boost
                3.6580524 = idf(docFreq=3098, maxDocs=44218)
                0.022212986 = queryNorm
              0.6466584 = fieldWeight in 172, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.6580524 = idf(docFreq=3098, maxDocs=44218)
                0.125 = fieldNorm(doc=172)
        0.33333334 = coord(5/15)
    
  5. Pasicznyuk, R.W.: Searching for the information on the Net : new wine into new wine skins (1995) 0.25
    0.248505 = sum of:
      0.248505 = product of:
        0.745515 = sum of:
          0.10590066 = weight(abstract_txt:engines in 5785) [ClassicSimilarity], result of:
            0.10590066 = score(doc=5785,freq=1.0), product of:
              0.15980104 = queryWeight, product of:
                1.3569492 = boost
                5.3016257 = idf(docFreq=598, maxDocs=44218)
                0.022212986 = queryNorm
              0.6627032 = fieldWeight in 5785, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.3016257 = idf(docFreq=598, maxDocs=44218)
                0.125 = fieldNorm(doc=5785)
          0.26742497 = weight(abstract_txt:directories in 5785) [ClassicSimilarity], result of:
            0.26742497 = score(doc=5785,freq=1.0), product of:
              0.2963342 = queryWeight, product of:
                1.8478414 = boost
                7.2195506 = idf(docFreq=87, maxDocs=44218)
                0.022212986 = queryNorm
              0.9024438 = fieldWeight in 5785, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.2195506 = idf(docFreq=87, maxDocs=44218)
                0.125 = fieldNorm(doc=5785)
          0.1205069 = weight(abstract_txt:search in 5785) [ClassicSimilarity], result of:
            0.1205069 = score(doc=5785,freq=3.0), product of:
              0.15215679 = queryWeight, product of:
                1.8725544 = boost
                3.6580524 = idf(docFreq=3098, maxDocs=44218)
                0.022212986 = queryNorm
              0.7919916 = fieldWeight in 5785, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                3.6580524 = idf(docFreq=3098, maxDocs=44218)
                0.125 = fieldNorm(doc=5785)
          0.12535514 = weight(abstract_txt:tools in 5785) [ClassicSimilarity], result of:
            0.12535514 = score(doc=5785,freq=1.0), product of:
              0.22529519 = queryWeight, product of:
                2.2785823 = boost
                4.451232 = idf(docFreq=1401, maxDocs=44218)
                0.022212986 = queryNorm
              0.556404 = fieldWeight in 5785, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.451232 = idf(docFreq=1401, maxDocs=44218)
                0.125 = fieldNorm(doc=5785)
          0.12632737 = weight(abstract_txt:reference in 5785) [ClassicSimilarity], result of:
            0.12632737 = score(doc=5785,freq=1.0), product of:
              0.22645856 = queryWeight, product of:
                2.284458 = boost
                4.46271 = idf(docFreq=1385, maxDocs=44218)
                0.022212986 = queryNorm
              0.55783874 = fieldWeight in 5785, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.46271 = idf(docFreq=1385, maxDocs=44218)
                0.125 = fieldNorm(doc=5785)
        0.33333334 = coord(5/15)