Harter, S.P.: Online information retrieval : concepts, principles, and techniques (1986)
0.04
0.0376706 = product of:
0.1130118 = sum of:
0.1130118 = product of:
0.1695177 = sum of:
0.062307306 = weight(_text_:online in 1388) [ClassicSimilarity], result of:
0.062307306 = score(doc=1388,freq=2.0), product of:
0.1548489 = queryWeight, product of:
3.0349014 = idf(docFreq=5778, maxDocs=44218)
0.051022716 = queryNorm
0.40237486 = fieldWeight in 1388, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.0349014 = idf(docFreq=5778, maxDocs=44218)
0.09375 = fieldNorm(doc=1388)
0.10721038 = weight(_text_:retrieval in 1388) [ClassicSimilarity], result of:
0.10721038 = score(doc=1388,freq=6.0), product of:
0.15433937 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.051022716 = queryNorm
0.6946405 = fieldWeight in 1388, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.09375 = fieldNorm(doc=1388)
0.6666667 = coord(2/3)
0.33333334 = coord(1/3)
- PRECIS
- On / line information retrieval / Techniques / Theories
- Subject
- On / line information retrieval / Techniques / Theories