Document (#404)

Author
Swanson, D.R.
Title
Searching natural language by computer
Source
Science. 132(1960), S.1099-1104
Year
1960
Footnote
Ein Klassiker der Beiträge zum Information Retrieval

Similar documents (author)

  1. Swanson, D.R.: Requirements study for future catalogs (1972) 5.16
    5.163558 = sum of:
      5.163558 = weight(author_txt:swanson in 680) [ClassicSimilarity], result of:
        5.163558 = fieldWeight in 680, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.261693 = idf(docFreq=29, maxDocs=42740)
          0.625 = fieldNorm(doc=680)
    
  2. Swanson, D.R.: Subjective versus objective relevance in bibliographic retrieval systems (1986) 5.16
    5.163558 = sum of:
      5.163558 = weight(author_txt:swanson in 838) [ClassicSimilarity], result of:
        5.163558 = fieldWeight in 838, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.261693 = idf(docFreq=29, maxDocs=42740)
          0.625 = fieldNorm(doc=838)
    
  3. Swanson, D.R.: Information retrieval as a trial-and-error process (1977) 5.16
    5.163558 = sum of:
      5.163558 = weight(author_txt:swanson in 1291) [ClassicSimilarity], result of:
        5.163558 = fieldWeight in 1291, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.261693 = idf(docFreq=29, maxDocs=42740)
          0.625 = fieldNorm(doc=1291)
    
  4. Swanson, D.R.: ¬The evidence underlying the Cranfield results (1965) 5.16
    5.163558 = sum of:
      5.163558 = weight(author_txt:swanson in 2266) [ClassicSimilarity], result of:
        5.163558 = fieldWeight in 2266, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.261693 = idf(docFreq=29, maxDocs=42740)
          0.625 = fieldNorm(doc=2266)
    
  5. Swanson, D.R.: Some unexplained aspects of the Cranfield tests of indexing performance factors (1971) 5.16
    5.163558 = sum of:
      5.163558 = weight(author_txt:swanson in 2337) [ClassicSimilarity], result of:
        5.163558 = fieldWeight in 2337, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.261693 = idf(docFreq=29, maxDocs=42740)
          0.625 = fieldNorm(doc=2337)
    

Similar documents (content)

  1. Knapp, S.D.: ¬The contemporary thesaurus of social science terms and synonyms : a guide for natural language searching (1993) 1.68
    1.6757302 = sum of:
      1.6757302 = sum of:
        0.338597 = weight(abstract_txt:language in 1991) [ClassicSimilarity], result of:
          0.338597 = score(doc=1991,freq=1.0), product of:
            0.4305994 = queryWeight, product of:
              4.1938066 = idf(docFreq=1752, maxDocs=42740)
              0.10267507 = queryNorm
            0.78633875 = fieldWeight in 1991, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              4.1938066 = idf(docFreq=1752, maxDocs=42740)
              0.1875 = fieldNorm(doc=1991)
        0.35683295 = weight(abstract_txt:searching in 1991) [ClassicSimilarity], result of:
          0.35683295 = score(doc=1991,freq=1.0), product of:
            0.4459245 = queryWeight, product of:
              1.0176395 = boost
              4.267783 = idf(docFreq=1627, maxDocs=42740)
              0.10267507 = queryNorm
            0.80020934 = fieldWeight in 1991, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              4.267783 = idf(docFreq=1627, maxDocs=42740)
              0.1875 = fieldNorm(doc=1991)
        0.3676424 = weight(abstract_txt:computer in 1991) [ClassicSimilarity], result of:
          0.3676424 = score(doc=1991,freq=1.0), product of:
            0.45488515 = queryWeight, product of:
              1.0278132 = boost
              4.3104496 = idf(docFreq=1559, maxDocs=42740)
              0.10267507 = queryNorm
            0.8082093 = fieldWeight in 1991, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              4.3104496 = idf(docFreq=1559, maxDocs=42740)
              0.1875 = fieldNorm(doc=1991)
        0.61265796 = weight(abstract_txt:natural in 1991) [ClassicSimilarity], result of:
          0.61265796 = score(doc=1991,freq=1.0), product of:
            0.6393864 = queryWeight, product of:
              1.2185546 = boost
              5.1103826 = idf(docFreq=700, maxDocs=42740)
              0.10267507 = queryNorm
            0.95819676 = fieldWeight in 1991, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              5.1103826 = idf(docFreq=700, maxDocs=42740)
              0.1875 = fieldNorm(doc=1991)
    
  2. Jascó, P.: Don't kiss Boolean goodbye : it's AND not OR, let alone XOR (1994) 1.27
    1.2739065 = sum of:
      1.2739065 = product of:
        1.6985419 = sum of:
          0.39502984 = weight(abstract_txt:language in 7159) [ClassicSimilarity], result of:
            0.39502984 = score(doc=7159,freq=1.0), product of:
              0.4305994 = queryWeight, product of:
                4.1938066 = idf(docFreq=1752, maxDocs=42740)
                0.10267507 = queryNorm
              0.91739523 = fieldWeight in 7159, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.1938066 = idf(docFreq=1752, maxDocs=42740)
                0.21875 = fieldNorm(doc=7159)
          0.58874434 = weight(abstract_txt:searching in 7159) [ClassicSimilarity], result of:
            0.58874434 = score(doc=7159,freq=2.0), product of:
              0.4459245 = queryWeight, product of:
                1.0176395 = boost
                4.267783 = idf(docFreq=1627, maxDocs=42740)
                0.10267507 = queryNorm
              1.320278 = fieldWeight in 7159, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.267783 = idf(docFreq=1627, maxDocs=42740)
                0.21875 = fieldNorm(doc=7159)
          0.71476763 = weight(abstract_txt:natural in 7159) [ClassicSimilarity], result of:
            0.71476763 = score(doc=7159,freq=1.0), product of:
              0.6393864 = queryWeight, product of:
                1.2185546 = boost
                5.1103826 = idf(docFreq=700, maxDocs=42740)
                0.10267507 = queryNorm
              1.1178962 = fieldWeight in 7159, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.1103826 = idf(docFreq=700, maxDocs=42740)
                0.21875 = fieldNorm(doc=7159)
        0.75 = coord(3/4)
    
  3. Jascó, P.: Searching for images on the Web : pt.2 (1997) 0.98
    0.9808173 = sum of:
      0.9808173 = product of:
        1.3077564 = sum of:
          0.28216416 = weight(abstract_txt:language in 549) [ClassicSimilarity], result of:
            0.28216416 = score(doc=549,freq=1.0), product of:
              0.4305994 = queryWeight, product of:
                4.1938066 = idf(docFreq=1752, maxDocs=42740)
                0.10267507 = queryNorm
              0.65528226 = fieldWeight in 549, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.1938066 = idf(docFreq=1752, maxDocs=42740)
                0.15625 = fieldNorm(doc=549)
          0.515044 = weight(abstract_txt:searching in 549) [ClassicSimilarity], result of:
            0.515044 = score(doc=549,freq=3.0), product of:
              0.4459245 = queryWeight, product of:
                1.0176395 = boost
                4.267783 = idf(docFreq=1627, maxDocs=42740)
                0.10267507 = queryNorm
              1.1550027 = fieldWeight in 549, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.267783 = idf(docFreq=1627, maxDocs=42740)
                0.15625 = fieldNorm(doc=549)
          0.5105483 = weight(abstract_txt:natural in 549) [ClassicSimilarity], result of:
            0.5105483 = score(doc=549,freq=1.0), product of:
              0.6393864 = queryWeight, product of:
                1.2185546 = boost
                5.1103826 = idf(docFreq=700, maxDocs=42740)
                0.10267507 = queryNorm
              0.79849726 = fieldWeight in 549, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.1103826 = idf(docFreq=700, maxDocs=42740)
                0.15625 = fieldNorm(doc=549)
        0.75 = coord(3/4)
    
  4. Polity, Y.: Vers une ergonomie linguistique (1994) 0.98
    0.9775094 = sum of:
      0.9775094 = sum of:
        0.19751492 = weight(abstract_txt:language in 36) [ClassicSimilarity], result of:
          0.19751492 = score(doc=36,freq=1.0), product of:
            0.4305994 = queryWeight, product of:
              4.1938066 = idf(docFreq=1752, maxDocs=42740)
              0.10267507 = queryNorm
            0.45869762 = fieldWeight in 36, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              4.1938066 = idf(docFreq=1752, maxDocs=42740)
              0.109375 = fieldNorm(doc=36)
        0.20815255 = weight(abstract_txt:searching in 36) [ClassicSimilarity], result of:
          0.20815255 = score(doc=36,freq=1.0), product of:
            0.4459245 = queryWeight, product of:
              1.0176395 = boost
              4.267783 = idf(docFreq=1627, maxDocs=42740)
              0.10267507 = queryNorm
            0.46678877 = fieldWeight in 36, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              4.267783 = idf(docFreq=1627, maxDocs=42740)
              0.109375 = fieldNorm(doc=36)
        0.21445808 = weight(abstract_txt:computer in 36) [ClassicSimilarity], result of:
          0.21445808 = score(doc=36,freq=1.0), product of:
            0.45488515 = queryWeight, product of:
              1.0278132 = boost
              4.3104496 = idf(docFreq=1559, maxDocs=42740)
              0.10267507 = queryNorm
            0.47145543 = fieldWeight in 36, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              4.3104496 = idf(docFreq=1559, maxDocs=42740)
              0.109375 = fieldNorm(doc=36)
        0.35738382 = weight(abstract_txt:natural in 36) [ClassicSimilarity], result of:
          0.35738382 = score(doc=36,freq=1.0), product of:
            0.6393864 = queryWeight, product of:
              1.2185546 = boost
              5.1103826 = idf(docFreq=700, maxDocs=42740)
              0.10267507 = queryNorm
            0.5589481 = fieldWeight in 36, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              5.1103826 = idf(docFreq=700, maxDocs=42740)
              0.109375 = fieldNorm(doc=36)
    
  5. Kreymer, O.: ¬An evaluation of help mechanisms in natural language information retrieval systems (2002) 0.92
    0.9249301 = sum of:
      0.9249301 = sum of:
        0.22573133 = weight(abstract_txt:language in 4558) [ClassicSimilarity], result of:
          0.22573133 = score(doc=4558,freq=4.0), product of:
            0.4305994 = queryWeight, product of:
              4.1938066 = idf(docFreq=1752, maxDocs=42740)
              0.10267507 = queryNorm
            0.52422583 = fieldWeight in 4558, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              4.1938066 = idf(docFreq=1752, maxDocs=42740)
              0.0625 = fieldNorm(doc=4558)
        0.16821267 = weight(abstract_txt:searching in 4558) [ClassicSimilarity], result of:
          0.16821267 = score(doc=4558,freq=2.0), product of:
            0.4459245 = queryWeight, product of:
              1.0176395 = boost
              4.267783 = idf(docFreq=1627, maxDocs=42740)
              0.10267507 = queryNorm
            0.3772223 = fieldWeight in 4558, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.267783 = idf(docFreq=1627, maxDocs=42740)
              0.0625 = fieldNorm(doc=4558)
        0.12254747 = weight(abstract_txt:computer in 4558) [ClassicSimilarity], result of:
          0.12254747 = score(doc=4558,freq=1.0), product of:
            0.45488515 = queryWeight, product of:
              1.0278132 = boost
              4.3104496 = idf(docFreq=1559, maxDocs=42740)
              0.10267507 = queryNorm
            0.2694031 = fieldWeight in 4558, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              4.3104496 = idf(docFreq=1559, maxDocs=42740)
              0.0625 = fieldNorm(doc=4558)
        0.40843865 = weight(abstract_txt:natural in 4558) [ClassicSimilarity], result of:
          0.40843865 = score(doc=4558,freq=4.0), product of:
            0.6393864 = queryWeight, product of:
              1.2185546 = boost
              5.1103826 = idf(docFreq=700, maxDocs=42740)
              0.10267507 = queryNorm
            0.6387978 = fieldWeight in 4558, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              5.1103826 = idf(docFreq=700, maxDocs=42740)
              0.0625 = fieldNorm(doc=4558)