Chen, H.; Houston, A.L.; Sewell, R.R.; Schatz, B.R.: Internet browsing and searching : user evaluations of category map and concept space techniques (1998)
0.00
0.0035812457 = product of:
0.014324983 = sum of:
0.014324983 = weight(_text_:science in 869) [ClassicSimilarity], result of:
0.014324983 = score(doc=869,freq=2.0), product of:
0.12305341 = queryWeight, product of:
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.0467152 = queryNorm
0.11641272 = fieldWeight in 869, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.03125 = fieldNorm(doc=869)
0.25 = coord(1/4)
- Source
- Journal of the American Society for Information Science. 49(1998) no.7, S.582-603