Bucknall, T.; Mangrum, R.: U-search : a user study of the CD-ROM service at the University of North Carolina at Chapel Hill (1992)
0.01
0.011039805 = product of:
0.02207961 = sum of:
0.02207961 = product of:
0.04415922 = sum of:
0.04415922 = weight(_text_:r in 3640) [ClassicSimilarity], result of:
0.04415922 = score(doc=3640,freq=2.0), product of:
0.15092614 = queryWeight, product of:
3.3102584 = idf(docFreq=4387, maxDocs=44218)
0.045593463 = queryNorm
0.29258826 = fieldWeight in 3640, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.3102584 = idf(docFreq=4387, maxDocs=44218)
0.0625 = fieldNorm(doc=3640)
0.5 = coord(1/2)
0.5 = coord(1/2)
