Zhu, Q.; Kong, X.; Hong, S.; Li, J.; He, Z.: Global ontology research progress : a bibliometric analysis (2015)
0.04
0.038449667 = product of:
0.076899335 = sum of:
0.076899335 = sum of:
0.028296255 = weight(_text_:j in 2590) [ClassicSimilarity], result of:
0.028296255 = score(doc=2590,freq=2.0), product of:
0.16120142 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.05073221 = queryNorm
0.17553353 = fieldWeight in 2590, 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=2590)
0.048603084 = weight(_text_:22 in 2590) [ClassicSimilarity], result of:
0.048603084 = score(doc=2590,freq=4.0), product of:
0.17765556 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05073221 = queryNorm
0.27358043 = fieldWeight in 2590, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0390625 = fieldNorm(doc=2590)
0.5 = coord(1/2)
- Date
- 20. 1.2015 18:30:22
17. 9.2018 18:22:23
