Gomez, L.; Lochbaum, C.C.; Landauer, T.K.: All the right words: finding what you want as an function of richness of indexing vocabulary (1990)
0.02
0.023754906 = product of:
0.04750981 = sum of:
0.04750981 = product of:
0.09501962 = sum of:
0.09501962 = weight(_text_:l in 154) [ClassicSimilarity], result of:
0.09501962 = score(doc=154,freq=2.0), product of:
0.18031335 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.045365814 = queryNorm
0.52696943 = fieldWeight in 154, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.09375 = fieldNorm(doc=154)
0.5 = coord(1/2)
0.5 = coord(1/2)