-
Hu, K.; Luo, Q.; Qi, K.; Yang, S.; Mao, J.; Fu, X.; Zheng, J.; Wu, H.; Guo, Y.; Zhu, Q.: Understanding the topic evolution of scientific literatures like an evolving city : using Google Word2Vec model and spatial autocorrelation analysis (2019)
0.00
0.003881862 = product of:
0.011645585 = sum of:
0.011645585 = product of:
0.034936756 = sum of:
0.034936756 = weight(_text_:k in 5102) [ClassicSimilarity], result of:
0.034936756 = score(doc=5102,freq=4.0), product of:
0.15658903 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.0438652 = queryNorm
0.22311112 = fieldWeight in 5102, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.03125 = fieldNorm(doc=5102)
0.33333334 = coord(1/3)
0.33333334 = coord(1/3)
-
Lu, K.; Mao, J.: ¬An automatic approach to weighted subject indexing : an empirical study in the biomedical domain (2015)
0.00
0.0034311134 = product of:
0.01029334 = sum of:
0.01029334 = product of:
0.03088002 = sum of:
0.03088002 = weight(_text_:k in 4005) [ClassicSimilarity], result of:
0.03088002 = score(doc=4005,freq=2.0), product of:
0.15658903 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.0438652 = queryNorm
0.19720423 = fieldWeight in 4005, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.0390625 = fieldNorm(doc=4005)
0.33333334 = coord(1/3)
0.33333334 = coord(1/3)
-
Lu, K.; Mao, J.; Li, G.: Toward effective automated weighted subject indexing : a comparison of different approaches in different environments (2018)
0.00
0.0034311134 = product of:
0.01029334 = sum of:
0.01029334 = product of:
0.03088002 = sum of:
0.03088002 = weight(_text_:k in 4292) [ClassicSimilarity], result of:
0.03088002 = score(doc=4292,freq=2.0), product of:
0.15658903 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.0438652 = queryNorm
0.19720423 = fieldWeight in 4292, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.0390625 = fieldNorm(doc=4292)
0.33333334 = coord(1/3)
0.33333334 = coord(1/3)
-
Mao, J.; Cui, H.: Identifying bacterial biotope entities using sequence labeling : performance and feature analysis (2018)
0.00
0.0033317097 = product of:
0.009995129 = sum of:
0.009995129 = product of:
0.029985385 = sum of:
0.029985385 = weight(_text_:29 in 4462) [ClassicSimilarity], result of:
0.029985385 = score(doc=4462,freq=2.0), product of:
0.15430406 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.0438652 = queryNorm
0.19432661 = fieldWeight in 4462, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.0390625 = fieldNorm(doc=4462)
0.33333334 = coord(1/3)
0.33333334 = coord(1/3)
- Date
- 29. 9.2018 12:38:27