Rau, L.F.; Jacobs, P.S.; Zernik, U.: Information extraction and text summarization using linguistic knowledge acquisition (1989)
0.01
0.012010047 = product of:
0.024020094 = sum of:
0.024020094 = product of:
0.04804019 = sum of:
0.04804019 = weight(_text_:u in 6683) [ClassicSimilarity], result of:
0.04804019 = score(doc=6683,freq=2.0), product of:
0.16598624 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.050691422 = queryNorm
0.28942272 = fieldWeight in 6683, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.0625 = fieldNorm(doc=6683)
0.5 = coord(1/2)
0.5 = coord(1/2)