Fan, W.; Luo, M.; Wang, L.; Xi, W.; Fox, E.A.: Tuning before feedback : combining ranking discovery and blind feedback for robust retrieval (2004)
0.01
0.01061148 = product of:
0.02122296 = sum of:
0.02122296 = product of:
0.06366888 = sum of:
0.06366888 = weight(_text_:k in 4052) [ClassicSimilarity], result of:
0.06366888 = score(doc=4052,freq=2.0), product of:
0.16142878 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.045220956 = queryNorm
0.39440846 = fieldWeight in 4052, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.078125 = fieldNorm(doc=4052)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- SIGIR'04: Proceedings of the 27th Annual International ACM-SIGIR Conference an Research and Development in Information Retrieval. Ed.: K. Järvelin, u.a
