McCune, B.P.; Tong, R.M.; Dean, J.S.: Rubric: a system for rule-based information retrieval (1985)
0.02
0.018971791 = product of:
0.088535026 = sum of:
0.032266766 = weight(_text_:system in 1945) [ClassicSimilarity], result of:
0.032266766 = score(doc=1945,freq=2.0), product of:
0.07727166 = queryWeight, product of:
3.1495528 = idf(docFreq=5152, maxDocs=44218)
0.02453417 = queryNorm
0.41757566 = fieldWeight in 1945, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1495528 = idf(docFreq=5152, maxDocs=44218)
0.09375 = fieldNorm(doc=1945)
0.014176315 = weight(_text_:information in 1945) [ClassicSimilarity], result of:
0.014176315 = score(doc=1945,freq=4.0), product of:
0.04306919 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.02453417 = queryNorm
0.3291521 = fieldWeight in 1945, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.09375 = fieldNorm(doc=1945)
0.042091947 = weight(_text_:retrieval in 1945) [ClassicSimilarity], result of:
0.042091947 = score(doc=1945,freq=4.0), product of:
0.07421378 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.02453417 = queryNorm
0.5671716 = fieldWeight in 1945, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.09375 = fieldNorm(doc=1945)
0.21428572 = coord(3/14)
- Footnote
- Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.440-445.