Search (2 results, page 1 of 1)

Tenopir, C.; Ro, J.S.: Full text databases (1990) 0.01

0.0058892816 = product of:
  0.023557127 = sum of:
    0.023557127 = weight(_text_:information in 1916) [ClassicSimilarity], result of:
      0.023557127 = score(doc=1916,freq=4.0), product of:
        0.06134496 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.034944877 = queryNorm
        0.3840108 = fieldWeight in 1916, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.109375 = fieldNorm(doc=1916)
  0.25 = coord(1/4)

Footnote: Rez. in: Information technology and libraries. 10(1991) S.156-157 (E. Kanter)
Series: New directions in information management; 21

Ro, J.S.: ¬An evaluation of the applicability of ranking algorithms to improve the effectiveness of full-text retrieval : 1. On the effectiveness of full-text retrieval (1988) 0.00

0.0035694437 = product of:
  0.014277775 = sum of:
    0.014277775 = weight(_text_:information in 4030) [ClassicSimilarity], result of:
      0.014277775 = score(doc=4030,freq=2.0), product of:
        0.06134496 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.034944877 = queryNorm
        0.23274569 = fieldWeight in 4030, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.09375 = fieldNorm(doc=4030)
  0.25 = coord(1/4)

Source: Journal of the American Society for Information Science. 39(1988), S.73-78

Search (2 results, page 1 of 1)

Years

Types