Grossman, D.A.; Holmes, D.O.; Frieder, O.; Nguyen, M.D.; Kingsbury, C.E.: Improving accuracy and run-time performance for TREC-4 (1996)
0.02
0.022054153 = product of:
0.044108305 = sum of:
0.044108305 = product of:
0.08821661 = sum of:
0.08821661 = weight(_text_:k in 7531) [ClassicSimilarity], result of:
0.08821661 = score(doc=7531,freq=2.0), product of:
0.18639012 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.052213363 = queryNorm
0.47329018 = fieldWeight in 7531, 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=7531)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- The Fourth Text Retrieval Conference (TREC-4). Ed.: K. Harman