Wildemuth, B.M.; O'Neill, A.L.: ¬The '¬known' in known-item searches : an empirical support for user-centered design (1995)
0.01
0.0068072695 = product of:
0.027229078 = sum of:
0.027229078 = weight(_text_:research in 3249) [ClassicSimilarity], result of:
0.027229078 = score(doc=3249,freq=2.0), product of:
0.14397179 = queryWeight, product of:
2.8529835 = idf(docFreq=6931, maxDocs=44218)
0.050463587 = queryNorm
0.18912788 = fieldWeight in 3249, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.8529835 = idf(docFreq=6931, maxDocs=44218)
0.046875 = fieldNorm(doc=3249)
0.25 = coord(1/4)
- Source
- College and research libraries. 56(1995) no.3, S.265-281