-
Liu, M.; Bu, Y.; Chen, C.; Xu, J.; Li, D.; Leng, Y.; Freeman, R.B.; Meyer, E.T.; Yoon, W.; Sung, M.; Jeong, M.; Lee, J.; Kang, J.; Min, C.; Zhai, Y.; Song, M.; Ding, Y.: Pandemics are catalysts of scientific novelty : evidence from COVID-19 (2022)
0.01
0.012681948 = product of:
0.044386815 = sum of:
0.02959121 = weight(_text_:j in 633) [ClassicSimilarity], result of:
0.02959121 = score(doc=633,freq=6.0), product of:
0.09732894 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.030630698 = queryNorm
0.304033 = fieldWeight in 633, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.0390625 = fieldNorm(doc=633)
0.014795605 = product of:
0.02959121 = sum of:
0.02959121 = weight(_text_:j in 633) [ClassicSimilarity], result of:
0.02959121 = score(doc=633,freq=6.0), product of:
0.09732894 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.030630698 = queryNorm
0.304033 = fieldWeight in 633, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.0390625 = fieldNorm(doc=633)
0.5 = coord(1/2)
0.2857143 = coord(2/7)
-
Min, C.; Ding, Y.; Li, J.; Bu, Y.; Pei, L.; Sun, J.: Innovation or imitation : the diffusion of citations (2018)
0.01
0.010354767 = product of:
0.03624168 = sum of:
0.02416112 = weight(_text_:j in 4445) [ClassicSimilarity], result of:
0.02416112 = score(doc=4445,freq=4.0), product of:
0.09732894 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.030630698 = queryNorm
0.2482419 = fieldWeight in 4445, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.0390625 = fieldNorm(doc=4445)
0.01208056 = product of:
0.02416112 = sum of:
0.02416112 = weight(_text_:j in 4445) [ClassicSimilarity], result of:
0.02416112 = score(doc=4445,freq=4.0), product of:
0.09732894 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.030630698 = queryNorm
0.2482419 = fieldWeight in 4445, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.0390625 = fieldNorm(doc=4445)
0.5 = coord(1/2)
0.2857143 = coord(2/7)
-
Zhang, C.; Bu, Y.; Ding, Y.; Xu, J.: Understanding scientific collaboration : homophily, transitivity, and preferential attachment (2018)
0.01
0.008786311 = product of:
0.030752089 = sum of:
0.020501392 = weight(_text_:j in 4011) [ClassicSimilarity], result of:
0.020501392 = score(doc=4011,freq=2.0), product of:
0.09732894 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.030630698 = queryNorm
0.21064025 = fieldWeight in 4011, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.046875 = fieldNorm(doc=4011)
0.010250696 = product of:
0.020501392 = sum of:
0.020501392 = weight(_text_:j in 4011) [ClassicSimilarity], result of:
0.020501392 = score(doc=4011,freq=2.0), product of:
0.09732894 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.030630698 = queryNorm
0.21064025 = fieldWeight in 4011, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.046875 = fieldNorm(doc=4011)
0.5 = coord(1/2)
0.2857143 = coord(2/7)
-
Liu, X.; Bu, Y.; Li, M.; Li, J.: Monodisciplinary collaboration disrupts science more than multidisciplinary collaboration (2024)
0.01
0.008786311 = product of:
0.030752089 = sum of:
0.020501392 = weight(_text_:j in 1202) [ClassicSimilarity], result of:
0.020501392 = score(doc=1202,freq=2.0), product of:
0.09732894 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.030630698 = queryNorm
0.21064025 = fieldWeight in 1202, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.046875 = fieldNorm(doc=1202)
0.010250696 = product of:
0.020501392 = sum of:
0.020501392 = weight(_text_:j in 1202) [ClassicSimilarity], result of:
0.020501392 = score(doc=1202,freq=2.0), product of:
0.09732894 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.030630698 = queryNorm
0.21064025 = fieldWeight in 1202, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.046875 = fieldNorm(doc=1202)
0.5 = coord(1/2)
0.2857143 = coord(2/7)
-
Bu, Y.; Li, M.; Gu, W.; Huang, W.-b.: Topic diversity : a discipline scheme-free diversity measurement for journals (2021)
0.01
0.00858336 = product of:
0.06008352 = sum of:
0.06008352 = product of:
0.12016704 = sum of:
0.12016704 = weight(_text_:huang in 209) [ClassicSimilarity], result of:
0.12016704 = score(doc=209,freq=2.0), product of:
0.21815723 = queryWeight, product of:
7.122176 = idf(docFreq=96, maxDocs=44218)
0.030630698 = queryNorm
0.5508277 = fieldWeight in 209, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.122176 = idf(docFreq=96, maxDocs=44218)
0.0546875 = fieldNorm(doc=209)
0.5 = coord(1/2)
0.14285715 = coord(1/7)
-
Bu, Y.; Ding, Y.; Xu, J.; Liang, X.; Gao, G.; Zhao, Y.: Understanding success through the diversity of collaborators and the milestone of career (2018)
0.01
0.0073219254 = product of:
0.025626738 = sum of:
0.017084492 = weight(_text_:j in 4012) [ClassicSimilarity], result of:
0.017084492 = score(doc=4012,freq=2.0), product of:
0.09732894 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.030630698 = queryNorm
0.17553353 = fieldWeight in 4012, 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=4012)
0.008542246 = product of:
0.017084492 = sum of:
0.017084492 = weight(_text_:j in 4012) [ClassicSimilarity], result of:
0.017084492 = score(doc=4012,freq=2.0), product of:
0.09732894 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.030630698 = queryNorm
0.17553353 = fieldWeight in 4012, 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=4012)
0.5 = coord(1/2)
0.2857143 = coord(2/7)