Yongcheng, W.; Xiaoming, G.; Lixia, W.: Automatic indexing on subject of Chinese text (1998)
0.02
0.020275308 = product of:
0.040550616 = sum of:
0.040550616 = product of:
0.08110123 = sum of:
0.08110123 = weight(_text_:w in 3241) [ClassicSimilarity], result of:
0.08110123 = score(doc=3241,freq=4.0), product of:
0.13620423 = queryWeight, product of:
3.8108058 = idf(docFreq=2659, maxDocs=44218)
0.035741583 = queryNorm
0.5954384 = fieldWeight in 3241, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.8108058 = idf(docFreq=2659, maxDocs=44218)
0.078125 = fieldNorm(doc=3241)
0.5 = coord(1/2)
0.5 = coord(1/2)
