Pan, M.; Huang, J.X.; He, T.; Mao, Z.; Ying, Z.; Tu, X.: ¬A simple kernel co-occurrence-based enhancement for pseudo-relevance feedback (2020)
0.00
0.0043606292 = product of:
0.0087212585 = sum of:
0.0087212585 = product of:
0.017442517 = sum of:
0.017442517 = weight(_text_:m in 5678) [ClassicSimilarity], result of:
0.017442517 = score(doc=5678,freq=2.0), product of:
0.12688358 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.05098903 = queryNorm
0.13746867 = fieldWeight in 5678, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.0390625 = fieldNorm(doc=5678)
0.5 = coord(1/2)
0.5 = coord(1/2)