Allen, B.L.: Designing information systems for user abilities and tasks : an experimental study (1998)
0.01
0.010114848 = product of:
0.020229695 = sum of:
0.020229695 = product of:
0.04045939 = sum of:
0.04045939 = weight(_text_:22 in 2664) [ClassicSimilarity], result of:
0.04045939 = score(doc=2664,freq=2.0), product of:
0.17428823 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.04977062 = queryNorm
0.23214069 = fieldWeight in 2664, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046875 = fieldNorm(doc=2664)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Online and CD-ROM review. 22(1998) no.3, S.139-153