Järvelin, K.: Evaluation (2011)
0.03
0.028665528 = product of:
0.057331055 = sum of:
0.057331055 = product of:
0.11466211 = sum of:
0.11466211 = weight(_text_:i in 548) [ClassicSimilarity], result of:
0.11466211 = score(doc=548,freq=2.0), product of:
0.1965379 = queryWeight, product of:
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.05210816 = queryNorm
0.58340967 = fieldWeight in 548, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.109375 = fieldNorm(doc=548)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Interactive information seeking, behaviour and retrieval. Eds.: Ruthven, I. u. D. Kelly