-
Blair, D.C.; Maron, M.E.: ¬An evaluation of retrieval effectiveness for a full-text document-retrieval system (1985)
0.00
0.0027732567 = product of:
0.011093027 = sum of:
0.011093027 = weight(_text_:e in 1345) [ClassicSimilarity], result of:
0.011093027 = score(doc=1345,freq=2.0), product of:
0.06985162 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04859683 = queryNorm
0.15880844 = fieldWeight in 1345, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.078125 = fieldNorm(doc=1345)
0.25 = coord(1/4)
- Language
- e
-
Blair, D.C.; Maron, M.E.: Full-text information retrieval : further analysis and clarification (1990)
0.00
0.0022186055 = product of:
0.008874422 = sum of:
0.008874422 = weight(_text_:e in 2046) [ClassicSimilarity], result of:
0.008874422 = score(doc=2046,freq=2.0), product of:
0.06985162 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04859683 = queryNorm
0.12704675 = fieldWeight in 2046, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.0625 = fieldNorm(doc=2046)
0.25 = coord(1/4)
- Language
- e
-
Blair, D.C.: Full text retrieval : Evaluation and implications (1986)
0.00
0.001663954 = product of:
0.006655816 = sum of:
0.006655816 = weight(_text_:e in 2047) [ClassicSimilarity], result of:
0.006655816 = score(doc=2047,freq=2.0), product of:
0.06985162 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04859683 = queryNorm
0.09528506 = fieldWeight in 2047, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.046875 = fieldNorm(doc=2047)
0.25 = coord(1/4)
- Language
- e