Gordon, M.; Kochen, M.: Recall-precision trade-off : a derivation (1989)
0.01
0.0054537375 = product of:
0.010907475 = sum of:
0.010907475 = product of:
0.02181495 = sum of:
0.02181495 = weight(_text_:m in 4160) [ClassicSimilarity], result of:
0.02181495 = score(doc=4160,freq=4.0), product of:
0.09350918 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.0375773 = queryNorm
0.23329206 = fieldWeight in 4160, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.046875 = fieldNorm(doc=4160)
0.5 = coord(1/2)
0.5 = coord(1/2)
