Belkin, N.J.; Cool, C.; Koenemann, J.; Ng, K.B.; Park, S.: Using relevance feedback and ranking in interactive searching (1996)
0.01
0.0052968836 = product of:
0.021187535 = sum of:
0.021187535 = product of:
0.0635626 = sum of:
0.0635626 = weight(_text_:k in 7588) [ClassicSimilarity], result of:
0.0635626 = score(doc=7588,freq=2.0), product of:
0.13429943 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.037621226 = queryNorm
0.47329018 = fieldWeight in 7588, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.09375 = fieldNorm(doc=7588)
0.33333334 = coord(1/3)
0.25 = coord(1/4)
- Source
- The Fourth Text Retrieval Conference (TREC-4). Ed.: K. Harman
