-
Vaughan, L.; Chen, Y.: Data mining from web search queries : a comparison of Google trends and Baidu index (2015)
0.05
0.05209524 = product of:
0.10419048 = sum of:
0.10419048 = sum of:
0.068120584 = weight(_text_:y in 1605) [ClassicSimilarity], result of:
0.068120584 = score(doc=1605,freq=2.0), product of:
0.25623685 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.053245123 = queryNorm
0.26585007 = fieldWeight in 1605, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.0390625 = fieldNorm(doc=1605)
0.036069896 = weight(_text_:22 in 1605) [ClassicSimilarity], result of:
0.036069896 = score(doc=1605,freq=2.0), product of:
0.18645535 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.053245123 = queryNorm
0.19345059 = fieldWeight in 1605, 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=1605)
0.5 = coord(1/2)
- Source
- Journal of the Association for Information Science and Technology. 66(2015) no.1, S.13-22
-
Liu, Y.; Shi, J.; Chen, Y.: Patient-centered and experience-aware mining for effective adverse drug reaction discovery in online health forums (2018)
0.03
0.028901115 = product of:
0.05780223 = sum of:
0.05780223 = product of:
0.11560446 = sum of:
0.11560446 = weight(_text_:y in 4114) [ClassicSimilarity], result of:
0.11560446 = score(doc=4114,freq=4.0), product of:
0.25623685 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.053245123 = queryNorm
0.45116252 = fieldWeight in 4114, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.046875 = fieldNorm(doc=4114)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Zhang, J.; Chen, Y.; Zhao, Y.; Wolfram, D.; Ma, F.: Public health and social media : a study of Zika virus-related posts on Yahoo! Answers (2020)
0.02
0.024084264 = product of:
0.04816853 = sum of:
0.04816853 = product of:
0.09633706 = sum of:
0.09633706 = weight(_text_:y in 5672) [ClassicSimilarity], result of:
0.09633706 = score(doc=5672,freq=4.0), product of:
0.25623685 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.053245123 = queryNorm
0.37596878 = fieldWeight in 5672, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.0390625 = fieldNorm(doc=5672)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Zeng, M.L.; Chen, Y.: Features of an integrated thesaurus management and search system for the networked environment (2003)
0.02
0.023842204 = product of:
0.04768441 = sum of:
0.04768441 = product of:
0.09536882 = sum of:
0.09536882 = weight(_text_:y in 3817) [ClassicSimilarity], result of:
0.09536882 = score(doc=3817,freq=2.0), product of:
0.25623685 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.053245123 = queryNorm
0.3721901 = fieldWeight in 3817, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.0546875 = fieldNorm(doc=3817)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Ackerman, B.; Wang, C.; Chen, Y.: ¬A session-specific opportunity cost model for rank-oriented recommendation (2018)
0.02
0.020436175 = product of:
0.04087235 = sum of:
0.04087235 = product of:
0.0817447 = sum of:
0.0817447 = weight(_text_:y in 4468) [ClassicSimilarity], result of:
0.0817447 = score(doc=4468,freq=2.0), product of:
0.25623685 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.053245123 = queryNorm
0.3190201 = fieldWeight in 4468, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.046875 = fieldNorm(doc=4468)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Jiang, Z.; Liu, X.; Chen, Y.: Recovering uncaptured citations in a scholarly network : a two-step citation analysis to estimate publication importance (2016)
0.02
0.017030146 = product of:
0.034060292 = sum of:
0.034060292 = product of:
0.068120584 = sum of:
0.068120584 = weight(_text_:y in 3018) [ClassicSimilarity], result of:
0.068120584 = score(doc=3018,freq=2.0), product of:
0.25623685 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.053245123 = queryNorm
0.26585007 = fieldWeight in 3018, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.0390625 = fieldNorm(doc=3018)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Wang, C.; Zhao, S.; Kalra, A.; Borcea, C.; Chen, Y.: Predictive models and analysis for webpage depth-level dwell time (2018)
0.02
0.017030146 = product of:
0.034060292 = sum of:
0.034060292 = product of:
0.068120584 = sum of:
0.068120584 = weight(_text_:y in 4370) [ClassicSimilarity], result of:
0.068120584 = score(doc=4370,freq=2.0), product of:
0.25623685 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.053245123 = queryNorm
0.26585007 = fieldWeight in 4370, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.0390625 = fieldNorm(doc=4370)
0.5 = coord(1/2)
0.5 = coord(1/2)