Behnert, C.; Lewandowski, D.: ¬A framework for designing retrieval effectiveness studies of library information systems using human relevance assessments (2017)
0.01
0.007894538 = product of:
0.031578153 = sum of:
0.031578153 = weight(_text_:c in 3700) [ClassicSimilarity], result of:
0.031578153 = score(doc=3700,freq=2.0), product of:
0.16571717 = queryWeight, product of:
3.4494052 = idf(docFreq=3817, maxDocs=44218)
0.048042245 = queryNorm
0.1905545 = fieldWeight in 3700, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.4494052 = idf(docFreq=3817, maxDocs=44218)
0.0390625 = fieldNorm(doc=3700)
0.25 = coord(1/4)