Koryconski, C.; Newell, A.F.: Natural-language processing and automatic indexing (1990)
0.01
0.008749825 = product of:
0.01749965 = sum of:
0.01749965 = product of:
0.052498948 = sum of:
0.052498948 = weight(_text_:c in 2313) [ClassicSimilarity], result of:
0.052498948 = score(doc=2313,freq=2.0), product of:
0.17219138 = queryWeight, product of:
3.4494052 = idf(docFreq=3817, maxDocs=44218)
0.04991915 = queryNorm
0.3048872 = fieldWeight in 2313, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.4494052 = idf(docFreq=3817, maxDocs=44218)
0.0625 = fieldNorm(doc=2313)
0.33333334 = coord(1/3)
0.5 = coord(1/2)