Rau, L.F.; Jacobs, P.S.; Zernik, U.: Information extraction and text summarization using linguistic knowledge acquisition (1989)
0.06
0.05654477 = product of:
0.11308954 = sum of:
0.11308954 = product of:
0.22617908 = sum of:
0.22617908 = weight(_text_:l.f in 6683) [ClassicSimilarity], result of:
0.22617908 = score(doc=6683,freq=2.0), product of:
0.33356088 = queryWeight, product of:
7.6715355 = idf(docFreq=55, maxDocs=44218)
0.04348033 = queryNorm
0.67807436 = fieldWeight in 6683, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.6715355 = idf(docFreq=55, maxDocs=44218)
0.0625 = fieldNorm(doc=6683)
0.5 = coord(1/2)
0.5 = coord(1/2)