Zhou, G.D.; Zhang, M.; Ji, D.H.; Zhu, Q.M.: Hierarchical learning strategy in semantic relation extraction (2008)
0.00
0.0047023837 = product of:
0.009404767 = sum of:
0.009404767 = product of:
0.018809535 = sum of:
0.018809535 = weight(_text_:m in 2077) [ClassicSimilarity], result of:
0.018809535 = score(doc=2077,freq=2.0), product of:
0.114023164 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.045820985 = queryNorm
0.1649624 = fieldWeight in 2077, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.046875 = fieldNorm(doc=2077)
0.5 = coord(1/2)
0.5 = coord(1/2)