Document (#14748)

Author

Machovec, G.S.

Title

World Wide Web search engines : Altavista and Yahoo

Source

Online libraries and microcomputers. 14(1996) no.5, S.1-6

Year

1996

Abstract

Reviews 2 WWW search engines: AltaVista and Yahoo. Gives a background to the development of the services and explains how they work

Theme

Suchmaschinen

Object

AltaVista
Yahoo

Similar documents (author)

1. Machovec, G.S.: Locally loaded databases in Arizona State University's online catalog using the CARL system (1989) 5.38

   5.3815155 = sum of:
     5.3815155 = weight(author_txt:machovec in 2159) [ClassicSimilarity], result of:
       5.3815155 = fieldWeight in 2159, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         8.610425 = idf(docFreq=21, maxDocs=44421)
         0.625 = fieldNorm(doc=2159)
   

2. Machovec, G.S.: Administrative considerations in establishing remote dial-in access to an online catalog (1988) 5.38

   5.3815155 = sum of:
     5.3815155 = weight(author_txt:machovec in 3100) [ClassicSimilarity], result of:
       5.3815155 = fieldWeight in 3100, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         8.610425 = idf(docFreq=21, maxDocs=44421)
         0.625 = fieldNorm(doc=3100)
   

3. Machovec, G.S.: WAIS: Wide Area Information Servers (1992) 5.38

   5.3815155 = sum of:
     5.3815155 = weight(author_txt:machovec in 3696) [ClassicSimilarity], result of:
       5.3815155 = fieldWeight in 3696, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         8.610425 = idf(docFreq=21, maxDocs=44421)
         0.625 = fieldNorm(doc=3696)
   

4. Machovec, G.S.: Z39.50 and the client-server architecture (1991) 5.38

   5.3815155 = sum of:
     5.3815155 = weight(author_txt:machovec in 3698) [ClassicSimilarity], result of:
       5.3815155 = fieldWeight in 3698, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         8.610425 = idf(docFreq=21, maxDocs=44421)
         0.625 = fieldNorm(doc=3698)
   

5. Machovec, G.S.: Navigating the Internet : library systems and database limitations (1992) 5.38

   5.3815155 = sum of:
     5.3815155 = weight(author_txt:machovec in 3737) [ClassicSimilarity], result of:
       5.3815155 = fieldWeight in 3737, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         8.610425 = idf(docFreq=21, maxDocs=44421)
         0.625 = fieldNorm(doc=3737)
   

Similar documents (content)

1. Courlois, M.P.: Cool tools for Web searching : an update (1996) 0.95

   0.9496559 = sum of:
     0.9496559 = product of:
       2.2158637 = sum of:
         0.08183776 = weight(abstract_txt:services in 5211) [ClassicSimilarity], result of:
           0.08183776 = score(doc=5211,freq=1.0), product of:
             0.103966065 = queryWeight, product of:
               1.1201719 = boost
               4.198178 = idf(docFreq=1813, maxDocs=44421)
               0.022107828 = queryNorm
             0.78715837 = fieldWeight in 5211, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.198178 = idf(docFreq=1813, maxDocs=44421)
               0.1875 = fieldNorm(doc=5211)
         0.16925816 = weight(abstract_txt:gives in 5211) [ClassicSimilarity], result of:
           0.16925816 = score(doc=5211,freq=1.0), product of:
             0.16876753 = queryWeight, product of:
               1.4271951 = boost
               5.3488383 = idf(docFreq=573, maxDocs=44421)
               0.022107828 = queryNorm
             1.0029072 = fieldWeight in 5211, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.3488383 = idf(docFreq=573, maxDocs=44421)
               0.1875 = fieldNorm(doc=5211)
         0.10797422 = weight(abstract_txt:search in 5211) [ClassicSimilarity], result of:
           0.10797422 = score(doc=5211,freq=1.0), product of:
             0.15757205 = queryWeight, product of:
               1.9502642 = boost
               3.654598 = idf(docFreq=3123, maxDocs=44421)
               0.022107828 = 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)
         0.3274024 = weight(abstract_txt:engines in 5211) [ClassicSimilarity], result of:
           0.3274024 = score(doc=5211,freq=1.0), product of:
             0.33010623 = queryWeight, product of:
               2.8228042 = boost
               5.2896495 = idf(docFreq=608, maxDocs=44421)
               0.022107828 = 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)
         0.6435959 = weight(abstract_txt:yahoo in 5211) [ClassicSimilarity], result of:
           0.6435959 = score(doc=5211,freq=1.0), product of:
             0.5180138 = queryWeight, product of:
               3.5361 = boost
               6.6262937 = idf(docFreq=159, maxDocs=44421)
               0.022107828 = 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)
         0.8857954 = weight(abstract_txt:altavista in 5211) [ClassicSimilarity], result of:
           0.8857954 = score(doc=5211,freq=1.0), product of:
             0.640946 = queryWeight, product of:
               3.9333682 = boost
               7.370734 = idf(docFreq=75, maxDocs=44421)
               0.022107828 = 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)
       0.42857143 = coord(6/14)
   

2. Hock, R.E.: How to do field searching in Web search engines : a field trip (1998) 0.68

   0.6798367 = sum of:
     0.6798367 = product of:
       1.5862856 = sum of:
         0.112838775 = weight(abstract_txt:gives in 4601) [ClassicSimilarity], result of:
           0.112838775 = score(doc=4601,freq=1.0), product of:
             0.16876753 = queryWeight, product of:
               1.4271951 = boost
               5.3488383 = idf(docFreq=573, maxDocs=44421)
               0.022107828 = queryNorm
             0.6686048 = fieldWeight in 4601, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.3488383 = idf(docFreq=573, maxDocs=44421)
               0.125 = fieldNorm(doc=4601)
         0.13378529 = weight(abstract_txt:explains in 4601) [ClassicSimilarity], result of:
           0.13378529 = score(doc=4601,freq=1.0), product of:
             0.18905531 = queryWeight, product of:
               1.5105438 = boost
               5.661213 = idf(docFreq=419, maxDocs=44421)
               0.022107828 = queryNorm
             0.7076516 = fieldWeight in 4601, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.661213 = idf(docFreq=419, maxDocs=44421)
               0.125 = fieldNorm(doc=4601)
         0.10179907 = weight(abstract_txt:search in 4601) [ClassicSimilarity], result of:
           0.10179907 = score(doc=4601,freq=2.0), product of:
             0.15757205 = queryWeight, product of:
               1.9502642 = boost
               3.654598 = idf(docFreq=3123, maxDocs=44421)
               0.022107828 = queryNorm
             0.6460478 = fieldWeight in 4601, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               3.654598 = idf(docFreq=3123, maxDocs=44421)
               0.125 = fieldNorm(doc=4601)
         0.21826828 = weight(abstract_txt:engines in 4601) [ClassicSimilarity], result of:
           0.21826828 = score(doc=4601,freq=1.0), product of:
             0.33010623 = queryWeight, product of:
               2.8228042 = boost
               5.2896495 = idf(docFreq=608, maxDocs=44421)
               0.022107828 = queryNorm
             0.6612062 = fieldWeight in 4601, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.2896495 = idf(docFreq=608, maxDocs=44421)
               0.125 = fieldNorm(doc=4601)
         0.42906392 = weight(abstract_txt:yahoo in 4601) [ClassicSimilarity], result of:
           0.42906392 = score(doc=4601,freq=1.0), product of:
             0.5180138 = queryWeight, product of:
               3.5361 = boost
               6.6262937 = idf(docFreq=159, maxDocs=44421)
               0.022107828 = queryNorm
             0.8282867 = fieldWeight in 4601, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.6262937 = idf(docFreq=159, maxDocs=44421)
               0.125 = fieldNorm(doc=4601)
         0.5905303 = weight(abstract_txt:altavista in 4601) [ClassicSimilarity], result of:
           0.5905303 = score(doc=4601,freq=1.0), product of:
             0.640946 = queryWeight, product of:
               3.9333682 = boost
               7.370734 = idf(docFreq=75, maxDocs=44421)
               0.022107828 = queryNorm
             0.9213418 = fieldWeight in 4601, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               7.370734 = idf(docFreq=75, maxDocs=44421)
               0.125 = fieldNorm(doc=4601)
       0.42857143 = coord(6/14)
   

3. Lin, Z.; Baoming, Z.: Comparative study of WWW search tools (1998) 0.62

   0.6167831 = sum of:
     0.6167831 = product of:
       1.7269926 = sum of:
         0.052415587 = weight(abstract_txt:development in 4558) [ClassicSimilarity], result of:
           0.052415587 = score(doc=4558,freq=1.0), product of:
             0.08723356 = queryWeight, product of:
               1.0260787 = boost
               3.8455355 = idf(docFreq=2580, maxDocs=44421)
               0.022107828 = queryNorm
             0.60086495 = fieldWeight in 4558, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.8455355 = idf(docFreq=2580, maxDocs=44421)
               0.15625 = fieldNorm(doc=4558)
         0.12724884 = weight(abstract_txt:search in 4558) [ClassicSimilarity], result of:
           0.12724884 = score(doc=4558,freq=2.0), product of:
             0.15757205 = queryWeight, product of:
               1.9502642 = boost
               3.654598 = idf(docFreq=3123, maxDocs=44421)
               0.022107828 = queryNorm
             0.8075597 = fieldWeight in 4558, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               3.654598 = idf(docFreq=3123, maxDocs=44421)
               0.15625 = fieldNorm(doc=4558)
         0.27283534 = weight(abstract_txt:engines in 4558) [ClassicSimilarity], result of:
           0.27283534 = score(doc=4558,freq=1.0), product of:
             0.33010623 = queryWeight, product of:
               2.8228042 = boost
               5.2896495 = idf(docFreq=608, maxDocs=44421)
               0.022107828 = queryNorm
             0.82650775 = fieldWeight in 4558, 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=4558)
         0.5363299 = weight(abstract_txt:yahoo in 4558) [ClassicSimilarity], result of:
           0.5363299 = score(doc=4558,freq=1.0), product of:
             0.5180138 = queryWeight, product of:
               3.5361 = boost
               6.6262937 = idf(docFreq=159, maxDocs=44421)
               0.022107828 = queryNorm
             1.0353584 = fieldWeight in 4558, 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=4558)
         0.7381629 = weight(abstract_txt:altavista in 4558) [ClassicSimilarity], result of:
           0.7381629 = score(doc=4558,freq=1.0), product of:
             0.640946 = queryWeight, product of:
               3.9333682 = boost
               7.370734 = idf(docFreq=75, maxDocs=44421)
               0.022107828 = queryNorm
             1.1516773 = fieldWeight in 4558, 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=4558)
       0.35714287 = coord(5/14)
   

4. Fryxell, D.A.: ¬9 Web search sites examined (1996) 0.56

   0.56136227 = sum of:
     0.56136227 = product of:
       1.9647679 = sum of:
         0.10797422 = weight(abstract_txt:search in 5209) [ClassicSimilarity], result of:
           0.10797422 = score(doc=5209,freq=1.0), product of:
             0.15757205 = queryWeight, product of:
               1.9502642 = boost
               3.654598 = idf(docFreq=3123, maxDocs=44421)
               0.022107828 = 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)
         0.3274024 = weight(abstract_txt:engines in 5209) [ClassicSimilarity], result of:
           0.3274024 = score(doc=5209,freq=1.0), product of:
             0.33010623 = queryWeight, product of:
               2.8228042 = boost
               5.2896495 = idf(docFreq=608, maxDocs=44421)
               0.022107828 = 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)
         0.6435959 = weight(abstract_txt:yahoo in 5209) [ClassicSimilarity], result of:
           0.6435959 = score(doc=5209,freq=1.0), product of:
             0.5180138 = queryWeight, product of:
               3.5361 = boost
               6.6262937 = idf(docFreq=159, maxDocs=44421)
               0.022107828 = 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)
         0.8857954 = weight(abstract_txt:altavista in 5209) [ClassicSimilarity], result of:
           0.8857954 = score(doc=5209,freq=1.0), product of:
             0.640946 = queryWeight, product of:
               3.9333682 = boost
               7.370734 = idf(docFreq=75, maxDocs=44421)
               0.022107828 = 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)
       0.2857143 = coord(4/14)
   

5. Fong, W.W.: Searching the World Wide Web (1996) 0.55

   0.55083543 = sum of:
     0.55083543 = product of:
       1.5423391 = sum of:
         0.08938904 = weight(abstract_txt:reviews in 6665) [ClassicSimilarity], result of:
           0.08938904 = score(doc=6665,freq=1.0), product of:
             0.14449057 = queryWeight, product of:
               1.3205615 = boost
               4.9491973 = idf(docFreq=855, maxDocs=44421)
               0.022107828 = queryNorm
             0.61864966 = fieldWeight in 6665, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.9491973 = idf(docFreq=855, maxDocs=44421)
               0.125 = fieldNorm(doc=6665)
         0.12467788 = weight(abstract_txt:search in 6665) [ClassicSimilarity], result of:
           0.12467788 = score(doc=6665,freq=3.0), product of:
             0.15757205 = queryWeight, product of:
               1.9502642 = boost
               3.654598 = idf(docFreq=3123, maxDocs=44421)
               0.022107828 = queryNorm
             0.7912437 = fieldWeight in 6665, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               3.654598 = idf(docFreq=3123, maxDocs=44421)
               0.125 = fieldNorm(doc=6665)
         0.30867794 = weight(abstract_txt:engines in 6665) [ClassicSimilarity], result of:
           0.30867794 = score(doc=6665,freq=2.0), product of:
             0.33010623 = queryWeight, product of:
               2.8228042 = boost
               5.2896495 = idf(docFreq=608, maxDocs=44421)
               0.022107828 = queryNorm
             0.9350867 = fieldWeight in 6665, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               5.2896495 = idf(docFreq=608, maxDocs=44421)
               0.125 = fieldNorm(doc=6665)
         0.42906392 = weight(abstract_txt:yahoo in 6665) [ClassicSimilarity], result of:
           0.42906392 = score(doc=6665,freq=1.0), product of:
             0.5180138 = queryWeight, product of:
               3.5361 = boost
               6.6262937 = idf(docFreq=159, maxDocs=44421)
               0.022107828 = queryNorm
             0.8282867 = fieldWeight in 6665, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.6262937 = idf(docFreq=159, maxDocs=44421)
               0.125 = fieldNorm(doc=6665)
         0.5905303 = weight(abstract_txt:altavista in 6665) [ClassicSimilarity], result of:
           0.5905303 = score(doc=6665,freq=1.0), product of:
             0.640946 = queryWeight, product of:
               3.9333682 = boost
               7.370734 = idf(docFreq=75, maxDocs=44421)
               0.022107828 = queryNorm
             0.9213418 = fieldWeight in 6665, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               7.370734 = idf(docFreq=75, maxDocs=44421)
               0.125 = fieldNorm(doc=6665)
       0.35714287 = coord(5/14)