Search (2 results, page 1 of 1)
-
Ma, X.; Xue, P.; Matta, N.; Chen, Q.: Fine-grained ontology reconstruction for crisis knowledge based on integrated analysis of temporal-spatial factors (2021)
0.01
0.00848295 = product of: 0.0169659 = sum of: 0.0169659 = product of: 0.050897695 = sum of: 0.050897695 = weight(_text_:n in 232) [ClassicSimilarity], result of: 0.050897695 = score(doc=232,freq=2.0), product of: 0.21368742 = queryWeight, product of: 4.3116565 = idf(docFreq=1611, maxDocs=44218) 0.0495604 = queryNorm 0.23818761 = fieldWeight in 232, product of: 1.4142135 = tf(freq=2.0), with freq of: 2.0 = termFreq=2.0 4.3116565 = idf(docFreq=1611, maxDocs=44218) 0.0390625 = fieldNorm(doc=232) 0.33333334 = coord(1/3) 0.5 = coord(1/2)
-
Min, C.; Chen, Q.; Yan, E.; Bu, Y.; Sun, J.: Citation cascade and the evolution of topic relevance (2021)
0.00
0.004607112 = product of: 0.009214224 = sum of: 0.009214224 = product of: 0.027642671 = sum of: 0.027642671 = weight(_text_:j in 62) [ClassicSimilarity], result of: 0.027642671 = score(doc=62,freq=2.0), product of: 0.157478 = queryWeight, product of: 3.1774964 = idf(docFreq=5010, maxDocs=44218) 0.0495604 = queryNorm 0.17553353 = fieldWeight in 62, product of: 1.4142135 = tf(freq=2.0), with freq of: 2.0 = termFreq=2.0 3.1774964 = idf(docFreq=5010, maxDocs=44218) 0.0390625 = fieldNorm(doc=62) 0.33333334 = coord(1/3) 0.5 = coord(1/2)