Eijk, C.C. van der; Mulligen, E.M. van; Kors, J.A.; Mons, B.; Berg, J. van den: Constructing an associative concept space for literature-based discovery (2004)
0.00
0.0022933283 = product of:
0.013759969 = sum of:
0.013759969 = weight(_text_:der in 2228) [ClassicSimilarity], result of:
0.013759969 = score(doc=2228,freq=2.0), product of:
0.09292302 = queryWeight, product of:
2.2337668 = idf(docFreq=12875, maxDocs=44218)
0.04159925 = queryNorm
0.14807922 = fieldWeight in 2228, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.2337668 = idf(docFreq=12875, maxDocs=44218)
0.046875 = fieldNorm(doc=2228)
0.16666667 = coord(1/6)
