Rijsbergen, C.J. van; Lalmas, M.: Information calculus for information retrieval (1996)
0.02
0.018902052 = product of:
0.07560821 = sum of:
0.07560821 = weight(_text_:van in 4201) [ClassicSimilarity], result of:
0.07560821 = score(doc=4201,freq=2.0), product of:
0.24542865 = queryWeight, product of:
5.5765896 = idf(docFreq=454, maxDocs=44218)
0.044010527 = queryNorm
0.30806595 = fieldWeight in 4201, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.5765896 = idf(docFreq=454, maxDocs=44218)
0.0390625 = fieldNorm(doc=4201)
0.25 = coord(1/4)