Bucknall, T.; Mangrum, R.: U-search : a user study of the CD-ROM service at the University of North Carolina at Chapel Hill (1992)
0.02
0.01783782 = product of:
0.03567564 = sum of:
0.03567564 = product of:
0.07135128 = sum of:
0.07135128 = weight(_text_:t in 3640) [ClassicSimilarity], result of:
0.07135128 = score(doc=3640,freq=2.0), product of:
0.20491594 = queryWeight, product of:
3.9394085 = idf(docFreq=2338, maxDocs=44218)
0.05201693 = queryNorm
0.34819782 = fieldWeight in 3640, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9394085 = idf(docFreq=2338, maxDocs=44218)
0.0625 = fieldNorm(doc=3640)
0.5 = coord(1/2)
0.5 = coord(1/2)