-
Zhang, C.; Zeng, D.; Li, J.; Wang, F.-Y.; Zuo, W.: Sentiment analysis of Chinese documents : from sentence to document level (2009)
0.01
0.009415352 = product of:
0.014123027 = sum of:
0.003145897 = weight(_text_:s in 3296) [ClassicSimilarity], result of:
0.003145897 = score(doc=3296,freq=2.0), product of:
0.043647945 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04014573 = queryNorm
0.072074346 = fieldWeight in 3296, 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=3296)
0.01097713 = product of:
0.03293139 = sum of:
0.03293139 = weight(_text_:29 in 3296) [ClassicSimilarity], result of:
0.03293139 = score(doc=3296,freq=2.0), product of:
0.14122012 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.04014573 = queryNorm
0.23319192 = fieldWeight in 3296, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.046875 = fieldNorm(doc=3296)
0.33333334 = coord(1/3)
0.6666667 = coord(2/3)
- Date
- 2. 2.2010 19:29:56
- Source
- Journal of the American Society for Information Science and Technology. 60(2009) no.12, S.2474-2487
-
Li, L.; He, D.; Zhang, C.; Geng, L.; Zhang, K.: Characterizing peer-judged answer quality on academic Q&A sites : a cross-disciplinary case study on ResearchGate (2018)
0.01
0.0077912677 = product of:
0.011686902 = sum of:
0.002621581 = weight(_text_:s in 4637) [ClassicSimilarity], result of:
0.002621581 = score(doc=4637,freq=2.0), product of:
0.043647945 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04014573 = queryNorm
0.060061958 = fieldWeight in 4637, 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=4637)
0.009065321 = product of:
0.02719596 = sum of:
0.02719596 = weight(_text_:22 in 4637) [ClassicSimilarity], result of:
0.02719596 = score(doc=4637,freq=2.0), product of:
0.1405835 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.04014573 = queryNorm
0.19345059 = fieldWeight in 4637, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0390625 = fieldNorm(doc=4637)
0.33333334 = coord(1/3)
0.6666667 = coord(2/3)
- Date
- 20. 1.2015 18:30:22
- Source
- Aslib journal of information management. 70(2018) no.3, S.269-287
-
Hu, B.; Dong, X.; Zhang, C.; Bowman, T.D.; Ding, Y.; Milojevic, S.; Ni, C.; Yan, E.; Larivière, V.: ¬A lead-lag analysis of the topic evolution patterns for preprints and publications (2015)
0.00
0.0014829903 = product of:
0.004448971 = sum of:
0.004448971 = weight(_text_:s in 2337) [ClassicSimilarity], result of:
0.004448971 = score(doc=2337,freq=4.0), product of:
0.043647945 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04014573 = queryNorm
0.101928525 = fieldWeight in 2337, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=2337)
0.33333334 = coord(1/3)
- Source
- Journal of the Association for Information Science and Technology. 66(2015) no.12, S.2643-2656
-
Zhang, C.; Zhao, H.; Chi, X.; Ma, S.: Information organization patterns from online users in a social network (2019)
0.00
0.0012358251 = product of:
0.0037074753 = sum of:
0.0037074753 = weight(_text_:s in 5263) [ClassicSimilarity], result of:
0.0037074753 = score(doc=5263,freq=4.0), product of:
0.043647945 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04014573 = queryNorm
0.08494043 = fieldWeight in 5263, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=5263)
0.33333334 = coord(1/3)
- Source
- Knowledge organization. 46(2019) no.2, S.90-103
-
Wang, X.; Hong, Z.; Xu, Y.(C.); Zhang, C.; Ling, H.: Relevance judgments of mobile commercial information (2014)
0.00
0.0010486324 = product of:
0.003145897 = sum of:
0.003145897 = weight(_text_:s in 1301) [ClassicSimilarity], result of:
0.003145897 = score(doc=1301,freq=2.0), product of:
0.043647945 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04014573 = queryNorm
0.072074346 = fieldWeight in 1301, 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=1301)
0.33333334 = coord(1/3)
- Source
- Journal of the Association for Information Science and Technology. 65(2014) no.7, S.1335-1348
-
Zhang, C.; Bu, Y.; Ding, Y.; Xu, J.: Understanding scientific collaboration : homophily, transitivity, and preferential attachment (2018)
0.00
0.0010486324 = product of:
0.003145897 = sum of:
0.003145897 = weight(_text_:s in 4011) [ClassicSimilarity], result of:
0.003145897 = score(doc=4011,freq=2.0), product of:
0.043647945 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04014573 = 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)
- Source
- Journal of the Association for Information Science and Technology. 69(2018) no.1, S.72-86
-
Lu, C.; Bu, Y.; Wang, J.; Ding, Y.; Torvik, V.; Schnaars, M.; Zhang, C.: Examining scientific writing styles from the perspective of linguistic complexity : a cross-level moderation model (2019)
0.00
0.0010486324 = product of:
0.003145897 = sum of:
0.003145897 = weight(_text_:s in 5219) [ClassicSimilarity], result of:
0.003145897 = score(doc=5219,freq=2.0), product of:
0.043647945 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04014573 = queryNorm
0.072074346 = fieldWeight in 5219, 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=5219)
0.33333334 = coord(1/3)
- Source
- Journal of the Association for Information Science and Technology. 70(2019) no.5, S.462-475
-
Zhang, C.; Liu, X.; Xu, Y.(C.); Wang, Y.: Quality-structure index : a new metric to measure scientific journal influence (2011)
0.00
8.738604E-4 = product of:
0.002621581 = sum of:
0.002621581 = weight(_text_:s in 4366) [ClassicSimilarity], result of:
0.002621581 = score(doc=4366,freq=2.0), product of:
0.043647945 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04014573 = 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)
- Source
- Journal of the American Society for Information Science and Technology. 62(2011) no.4, S.643-653
-
Yao, X.; Zhang, C.: Global village or virtual balkans? : evolution and performance of scientific collaboration in the information age (2020)
0.00
8.738604E-4 = product of:
0.002621581 = sum of:
0.002621581 = weight(_text_:s in 5764) [ClassicSimilarity], result of:
0.002621581 = score(doc=5764,freq=2.0), product of:
0.043647945 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04014573 = queryNorm
0.060061958 = fieldWeight in 5764, 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=5764)
0.33333334 = coord(1/3)
- Source
- Journal of the Association for Information Science and Technology. 71(2020) no.4, S.395-408
-
Zhang, Y.; Zhang, C.; Li, J.: Joint modeling of characters, words, and conversation contexts for microblog keyphrase extraction (2020)
0.00
8.738604E-4 = product of:
0.002621581 = sum of:
0.002621581 = weight(_text_:s in 5816) [ClassicSimilarity], result of:
0.002621581 = score(doc=5816,freq=2.0), product of:
0.043647945 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04014573 = queryNorm
0.060061958 = fieldWeight in 5816, 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=5816)
0.33333334 = coord(1/3)
- Source
- Journal of the Association for Information Science and Technology. 71(2020) no.5, S.553-567
-
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
8.738604E-4 = product of:
0.002621581 = sum of:
0.002621581 = weight(_text_:s in 5963) [ClassicSimilarity], result of:
0.002621581 = score(doc=5963,freq=2.0), product of:
0.043647945 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04014573 = 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)
- 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
8.738604E-4 = product of:
0.002621581 = sum of:
0.002621581 = weight(_text_:s in 237) [ClassicSimilarity], result of:
0.002621581 = score(doc=237,freq=2.0), product of:
0.043647945 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04014573 = 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)
- Source
- Journal of the Association for Information Science and Technology. 72(2021) no.5, S.611-626
-
Xu, H.; Bu, Y.; Liu, M.; Zhang, C.; Sun, M.; Zhang, Y.; Meyer, E.; Salas, E.; Ding, Y.: Team power dynamics and team impact : new perspectives on scientific collaboration using career age as a proxy for team power (2022)
0.00
8.738604E-4 = product of:
0.002621581 = sum of:
0.002621581 = weight(_text_:s in 663) [ClassicSimilarity], result of:
0.002621581 = score(doc=663,freq=2.0), product of:
0.043647945 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04014573 = queryNorm
0.060061958 = fieldWeight in 663, 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=663)
0.33333334 = coord(1/3)
- Source
- Journal of the Association for Information Science and Technology. 73(2022) no.10, S.1489-1505