Cooper, W.S.: ¬The paradoxal role of unexamined documents in the evaluation of retrieval effectiveness (1976)
0.01
0.011775794 = product of:
0.047103178 = sum of:
0.047103178 = product of:
0.094206356 = sum of:
0.094206356 = weight(_text_:management in 2186) [ClassicSimilarity], result of:
0.094206356 = score(doc=2186,freq=2.0), product of:
0.15810528 = queryWeight, product of:
3.3706124 = idf(docFreq=4130, maxDocs=44218)
0.046906993 = queryNorm
0.5958457 = fieldWeight in 2186, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.3706124 = idf(docFreq=4130, maxDocs=44218)
0.125 = fieldNorm(doc=2186)
0.5 = coord(1/2)
0.25 = coord(1/4)
- Source
- Information processing and management. 12(1976), S.367-375
