-
Zhang, C.; Bu, Y.; Ding, Y.; Xu, J.: Understanding scientific collaboration : homophily, transitivity, and preferential attachment (2018)
0.00
5.936372E-4 = product of:
0.0011872743 = sum of:
0.0011872743 = product of:
0.003561823 = sum of:
0.003561823 = weight(_text_:s in 4011) [ClassicSimilarity], result of:
0.003561823 = score(doc=4011,freq=2.0), product of:
0.049418733 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04545348 = queryNorm
0.072074346 = fieldWeight in 4011, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=4011)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Journal of the Association for Information Science and Technology. 69(2018) no.1, S.72-86
-
Zhang, C.; Liu, X.; Xu, Y.(C.); Wang, Y.: Quality-structure index : a new metric to measure scientific journal influence (2011)
0.00
4.9469766E-4 = product of:
9.893953E-4 = sum of:
9.893953E-4 = product of:
0.0029681858 = sum of:
0.0029681858 = weight(_text_:s in 4366) [ClassicSimilarity], result of:
0.0029681858 = score(doc=4366,freq=2.0), product of:
0.049418733 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04545348 = queryNorm
0.060061958 = fieldWeight in 4366, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=4366)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and Technology. 62(2011) no.4, S.643-653
-
Lu, C.; Zhang, Y.; Ahn, Y.-Y.; Ding, Y.; Zhang, C.; Ma, D.: Co-contributorship network and division of labor in individual scientific collaborations (2020)
0.00
4.9469766E-4 = product of:
9.893953E-4 = sum of:
9.893953E-4 = product of:
0.0029681858 = sum of:
0.0029681858 = weight(_text_:s in 5963) [ClassicSimilarity], result of:
0.0029681858 = score(doc=5963,freq=2.0), product of:
0.049418733 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04545348 = queryNorm
0.060061958 = fieldWeight in 5963, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=5963)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Journal of the Association for Information Science and Technology. 71(2020) no.10, S.1162-1178
-
Zhang, Y.; Zhang, C.: Enhancing keyphrase extraction from microblogs using human reading time (2021)
0.00
4.9469766E-4 = product of:
9.893953E-4 = sum of:
9.893953E-4 = product of:
0.0029681858 = sum of:
0.0029681858 = weight(_text_:s in 237) [ClassicSimilarity], result of:
0.0029681858 = score(doc=237,freq=2.0), product of:
0.049418733 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04545348 = queryNorm
0.060061958 = fieldWeight in 237, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=237)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Journal of the Association for Information Science and Technology. 72(2021) no.5, S.611-626