Document (#5405)

Author

Hawkins, D.T.

Title

On-line information retrieval bibliography : 1965-1976

Source

Online review. 1(1977) no.1 [Supplement]

Year

1977

Pages

55 S

Abstract

Enthält 615 Literaturhinweise

Footnote

Fortgesetzt durch versch. Updates in derselben Zeitschrift

Theme

Literaturübersicht

Similar documents (author)

1. Hawkins, D.T.: Online information retrieval systems (1981) 5.41

   5.4077277 = sum of:
     5.4077277 = weight(author_txt:hawkins in 2960) [ClassicSimilarity], result of:
       5.4077277 = score(doc=2960,freq=1.0), product of:
         0.99999994 = queryWeight, product of:
           8.652365 = idf(docFreq=20, maxDocs=44218)
           0.115575336 = queryNorm
         5.407728 = fieldWeight in 2960, product of:
           1.0 = tf(freq=1.0), with freq of:
             1.0 = termFreq=1.0
           8.652365 = idf(docFreq=20, maxDocs=44218)
           0.625 = fieldNorm(doc=2960)
   

2. Hawkins, D.T.: Growth trends in the electronic information services market (1993) 5.41

   5.4077277 = sum of:
     5.4077277 = weight(author_txt:hawkins in 6280) [ClassicSimilarity], result of:
       5.4077277 = score(doc=6280,freq=1.0), product of:
         0.99999994 = queryWeight, product of:
           8.652365 = idf(docFreq=20, maxDocs=44218)
           0.115575336 = queryNorm
         5.407728 = fieldWeight in 6280, product of:
           1.0 = tf(freq=1.0), with freq of:
             1.0 = termFreq=1.0
           8.652365 = idf(docFreq=20, maxDocs=44218)
           0.625 = fieldNorm(doc=6280)
   

3. Hawkins, D.T.: Growth trends in the electronic information services market (1993) 5.41

   5.4077277 = sum of:
     5.4077277 = weight(author_txt:hawkins in 6531) [ClassicSimilarity], result of:
       5.4077277 = score(doc=6531,freq=1.0), product of:
         0.99999994 = queryWeight, product of:
           8.652365 = idf(docFreq=20, maxDocs=44218)
           0.115575336 = queryNorm
         5.407728 = fieldWeight in 6531, product of:
           1.0 = tf(freq=1.0), with freq of:
             1.0 = termFreq=1.0
           8.652365 = idf(docFreq=20, maxDocs=44218)
           0.625 = fieldNorm(doc=6531)
   

4. Hawkins, D.T.: Growth trends in the electronic information services market (1994) 5.41

   5.4077277 = sum of:
     5.4077277 = weight(author_txt:hawkins in 7018) [ClassicSimilarity], result of:
       5.4077277 = score(doc=7018,freq=1.0), product of:
         0.99999994 = queryWeight, product of:
           8.652365 = idf(docFreq=20, maxDocs=44218)
           0.115575336 = queryNorm
         5.407728 = fieldWeight in 7018, product of:
           1.0 = tf(freq=1.0), with freq of:
             1.0 = termFreq=1.0
           8.652365 = idf(docFreq=20, maxDocs=44218)
           0.625 = fieldNorm(doc=7018)
   

5. Hawkins, D.T.: Online information retrieval bibliography (1978-) 5.41

   5.4077277 = sum of:
     5.4077277 = weight(author_txt:hawkins in 56) [ClassicSimilarity], result of:
       5.4077277 = score(doc=56,freq=1.0), product of:
         0.99999994 = queryWeight, product of:
           8.652365 = idf(docFreq=20, maxDocs=44218)
           0.115575336 = queryNorm
         5.407728 = fieldWeight in 56, product of:
           1.0 = tf(freq=1.0), with freq of:
             1.0 = termFreq=1.0
           8.652365 = idf(docFreq=20, maxDocs=44218)
           0.625 = fieldNorm(doc=56)
   

Similar documents (content)

1. Bärmann, U.: Neue CD-ROM Der Deutschen Bibliothek : DNB-CD retro (1995) 0.33

   0.3309492 = sum of:
     0.3309492 = product of:
       1.3237967 = sum of:
         0.40187564 = weight(abstract_txt:enthält in 5852) [ClassicSimilarity], result of:
           0.40187564 = score(doc=5852,freq=1.0), product of:
             0.2639107 = queryWeight, product of:
               2.5159934 = boost
               6.091085 = idf(docFreq=271, maxDocs=44218)
               0.017220782 = queryNorm
             1.5227712 = fieldWeight in 5852, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.091085 = idf(docFreq=271, maxDocs=44218)
               0.25 = fieldNorm(doc=5852)
         0.92192113 = weight(abstract_txt:1965 in 5852) [ClassicSimilarity], result of:
           0.92192113 = score(doc=5852,freq=1.0), product of:
             0.45904833 = queryWeight, product of:
               3.3182583 = boost
               8.033325 = idf(docFreq=38, maxDocs=44218)
               0.017220782 = queryNorm
             2.0083313 = fieldWeight in 5852, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               8.033325 = idf(docFreq=38, maxDocs=44218)
               0.25 = fieldNorm(doc=5852)
       0.25 = coord(2/8)
   

2. Lioma, C.; Ounis, I.: ¬A syntactically-based query reformulation technique for information retrieval (2008) 0.23

   0.22751299 = sum of:
     0.22751299 = product of:
       0.45502597 = sum of:
         0.011039293 = weight(abstract_txt:information in 2031) [ClassicSimilarity], result of:
           0.011039293 = score(doc=2031,freq=4.0), product of:
             0.041690588 = queryWeight, product of:
               2.4209464 = idf(docFreq=10677, maxDocs=44218)
               0.017220782 = queryNorm
             0.264791 = fieldWeight in 2031, product of:
               2.0 = tf(freq=4.0), with freq of:
                 4.0 = termFreq=4.0
               2.4209464 = idf(docFreq=10677, maxDocs=44218)
               0.0546875 = fieldNorm(doc=2031)
         0.046176117 = weight(abstract_txt:retrieval in 2031) [ClassicSimilarity], result of:
           0.046176117 = score(doc=2031,freq=8.0), product of:
             0.08590376 = queryWeight, product of:
               1.4354466 = boost
               3.4751394 = idf(docFreq=3720, maxDocs=44218)
               0.017220782 = queryNorm
             0.53753316 = fieldWeight in 2031, product of:
               2.828427 = tf(freq=8.0), with freq of:
                 8.0 = termFreq=8.0
               3.4751394 = idf(docFreq=3720, maxDocs=44218)
               0.0546875 = fieldNorm(doc=2031)
         0.19614033 = weight(abstract_txt:1976 in 2031) [ClassicSimilarity], result of:
           0.19614033 = score(doc=2031,freq=1.0), product of:
             0.4506179 = queryWeight, product of:
               3.2876472 = boost
               7.9592175 = idf(docFreq=41, maxDocs=44218)
               0.017220782 = queryNorm
             0.4352697 = fieldWeight in 2031, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               7.9592175 = idf(docFreq=41, maxDocs=44218)
               0.0546875 = fieldNorm(doc=2031)
         0.20167024 = weight(abstract_txt:1965 in 2031) [ClassicSimilarity], result of:
           0.20167024 = score(doc=2031,freq=1.0), product of:
             0.45904833 = queryWeight, product of:
               3.3182583 = boost
               8.033325 = idf(docFreq=38, maxDocs=44218)
               0.017220782 = queryNorm
             0.43932247 = fieldWeight in 2031, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               8.033325 = idf(docFreq=38, maxDocs=44218)
               0.0546875 = fieldNorm(doc=2031)
       0.5 = coord(4/8)
   

3. Tuomaala, O.; Järvelin, K.; Vakkari, P.: Evolution of library and information science, 1965-2005 : content analysis of journal articles (2014) 0.19

   0.19023564 = sum of:
     0.19023564 = product of:
       0.5072951 = sum of:
         0.019948177 = weight(abstract_txt:information in 1309) [ClassicSimilarity], result of:
           0.019948177 = score(doc=1309,freq=10.0), product of:
             0.041690588 = queryWeight, product of:
               2.4209464 = idf(docFreq=10677, maxDocs=44218)
               0.017220782 = queryNorm
             0.47848153 = fieldWeight in 1309, product of:
               3.1622777 = tf(freq=10.0), with freq of:
                 10.0 = termFreq=10.0
               2.4209464 = idf(docFreq=10677, maxDocs=44218)
               0.0625 = fieldNorm(doc=1309)
         0.026386352 = weight(abstract_txt:retrieval in 1309) [ClassicSimilarity], result of:
           0.026386352 = score(doc=1309,freq=2.0), product of:
             0.08590376 = queryWeight, product of:
               1.4354466 = boost
               3.4751394 = idf(docFreq=3720, maxDocs=44218)
               0.017220782 = queryNorm
             0.3071618 = fieldWeight in 1309, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               3.4751394 = idf(docFreq=3720, maxDocs=44218)
               0.0625 = fieldNorm(doc=1309)
         0.46096057 = weight(abstract_txt:1965 in 1309) [ClassicSimilarity], result of:
           0.46096057 = score(doc=1309,freq=4.0), product of:
             0.45904833 = queryWeight, product of:
               3.3182583 = boost
               8.033325 = idf(docFreq=38, maxDocs=44218)
               0.017220782 = queryNorm
             1.0041656 = fieldWeight in 1309, product of:
               2.0 = tf(freq=4.0), with freq of:
                 4.0 = termFreq=4.0
               8.033325 = idf(docFreq=38, maxDocs=44218)
               0.0625 = fieldNorm(doc=1309)
       0.375 = coord(3/8)
   

4. Göbel, S.; Wegner, B.: ¬Das Zentralblatt als Zugang zur mathematischen Literatur von 1868 bis heute (2004) 0.16

   0.15915863 = sum of:
     0.15915863 = product of:
       0.6366345 = sum of:
         0.011039293 = weight(abstract_txt:information in 205) [ClassicSimilarity], result of:
           0.011039293 = score(doc=205,freq=1.0), product of:
             0.041690588 = queryWeight, product of:
               2.4209464 = idf(docFreq=10677, maxDocs=44218)
               0.017220782 = queryNorm
             0.264791 = fieldWeight in 205, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               2.4209464 = idf(docFreq=10677, maxDocs=44218)
               0.109375 = fieldNorm(doc=205)
         0.6255952 = weight(abstract_txt:literaturhinweise in 205) [ClassicSimilarity], result of:
           0.6255952 = score(doc=205,freq=1.0), product of:
             0.61509115 = queryWeight, product of:
               3.8410566 = boost
               9.298992 = idf(docFreq=10, maxDocs=44218)
               0.017220782 = queryNorm
             1.0170772 = fieldWeight in 205, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               9.298992 = idf(docFreq=10, maxDocs=44218)
               0.109375 = fieldNorm(doc=205)
       0.25 = coord(2/8)
   

5. Hartmann, K.: PDS: Retrievalsoftware für die Pressedatenbank (1984) 0.14

   0.14105286 = sum of:
     0.14105286 = product of:
       0.5642114 = sum of:
         0.027986955 = weight(abstract_txt:retrieval in 5185) [ClassicSimilarity], result of:
           0.027986955 = score(doc=5185,freq=1.0), product of:
             0.08590376 = queryWeight, product of:
               1.4354466 = boost
               3.4751394 = idf(docFreq=3720, maxDocs=44218)
               0.017220782 = queryNorm
             0.3257943 = fieldWeight in 5185, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.4751394 = idf(docFreq=3720, maxDocs=44218)
               0.09375 = fieldNorm(doc=5185)
         0.5362245 = weight(abstract_txt:literaturhinweise in 5185) [ClassicSimilarity], result of:
           0.5362245 = score(doc=5185,freq=1.0), product of:
             0.61509115 = queryWeight, product of:
               3.8410566 = boost
               9.298992 = idf(docFreq=10, maxDocs=44218)
               0.017220782 = queryNorm
             0.8717805 = fieldWeight in 5185, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               9.298992 = idf(docFreq=10, maxDocs=44218)
               0.09375 = fieldNorm(doc=5185)
       0.25 = coord(2/8)