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)
0.01
0.009862646 = product of:
0.019725293 = sum of:
0.019725293 = product of:
0.039450586 = sum of:
0.039450586 = weight(_text_:56 in 5102) [ClassicSimilarity], result of:
0.039450586 = score(doc=5102,freq=2.0), product of:
0.21469334 = queryWeight, product of:
4.1578603 = idf(docFreq=1879, maxDocs=44218)
0.051635534 = queryNorm
0.18375319 = fieldWeight in 5102, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.1578603 = idf(docFreq=1879, maxDocs=44218)
0.03125 = fieldNorm(doc=5102)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Information processing and management. 56(2019) no.4, S.1185-1203
