Khan, M.S.; Khor, S.: Enhanced Web document retrieval using automatic query expansion (2004)
0.01
0.006071981 = product of:
0.012143962 = sum of:
0.012143962 = product of:
0.036431886 = sum of:
0.036431886 = weight(_text_:29 in 2091) [ClassicSimilarity], result of:
0.036431886 = score(doc=2091,freq=2.0), product of:
0.15623134 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.044413086 = queryNorm
0.23319192 = fieldWeight in 2091, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.046875 = fieldNorm(doc=2091)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and technology. 55(2004) no.1, S.29-40