Murdock, V.; Kelly, D.; Croft, W.B.; Belkin, N.J.; Yuan, X.: Identifying and improving retrieval for procedural questions (2007)
0.03
0.02546118 = product of:
0.05092236 = sum of:
0.05092236 = product of:
0.10184472 = sum of:
0.10184472 = weight(_text_:2007 in 902) [ClassicSimilarity], result of:
0.10184472 = score(doc=902,freq=5.0), product of:
0.2152282 = queryWeight, product of:
4.514535 = idf(docFreq=1315, maxDocs=44218)
0.0476745 = queryNorm
0.47319412 = fieldWeight in 902, product of:
2.236068 = tf(freq=5.0), with freq of:
5.0 = termFreq=5.0
4.514535 = idf(docFreq=1315, maxDocs=44218)
0.046875 = fieldNorm(doc=902)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Information processing and management. 43(2007) no.1, S.181-203
- Year
- 2007
