Perzylo, L.; Oliver, R.: ¬An investigation of children's use of a multimedia CD-ROM product for information retrieval (1992)
0.01
0.01030382 = product of:
0.04121528 = sum of:
0.04121528 = product of:
0.08243056 = sum of:
0.08243056 = weight(_text_:management in 420) [ClassicSimilarity], result of:
0.08243056 = score(doc=420,freq=2.0), product of:
0.15810528 = queryWeight, product of:
3.3706124 = idf(docFreq=4130, maxDocs=44218)
0.046906993 = queryNorm
0.521365 = fieldWeight in 420, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.3706124 = idf(docFreq=4130, maxDocs=44218)
0.109375 = fieldNorm(doc=420)
0.5 = coord(1/2)
0.25 = coord(1/4)
- Source
- Microcomputers for information management. 9(1992) no.4, S.225-240