Wu, Y.; Bai, R.: ¬An event relationship model for knowledge organization and visualization (2017)
0.01
0.0070109456 = product of:
0.014021891 = sum of:
0.014021891 = product of:
0.028043782 = sum of:
0.028043782 = weight(_text_:r in 3867) [ClassicSimilarity], result of:
0.028043782 = score(doc=3867,freq=2.0), product of:
0.12779634 = queryWeight, product of:
3.3102584 = idf(docFreq=4387, maxDocs=44218)
0.038606152 = queryNorm
0.2194412 = fieldWeight in 3867, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.3102584 = idf(docFreq=4387, maxDocs=44218)
0.046875 = fieldNorm(doc=3867)
0.5 = coord(1/2)
0.5 = coord(1/2)