Yongcheng, W.; Xiaoming, G.; Lixia, W.: Automatic indexing on subject of Chinese text (1998)
0.01
0.0077575548 = product of:
0.0155151095 = sum of:
0.0155151095 = product of:
0.09309065 = sum of:
0.09309065 = weight(_text_:authors in 3241) [ClassicSimilarity], result of:
0.09309065 = score(doc=3241,freq=2.0), product of:
0.18482009 = queryWeight, product of:
4.558814 = idf(docFreq=1258, maxDocs=44218)
0.040541265 = queryNorm
0.50368255 = fieldWeight in 3241, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.558814 = idf(docFreq=1258, maxDocs=44218)
0.078125 = fieldNorm(doc=3241)
0.16666667 = coord(1/6)
0.5 = coord(1/2)
- Abstract
- Outlines the underlying ideas, the basic algorithm and structure of CSAIS 2.1, an automatic indexing system for the subjects of Chinese documents, developed by the authors in 1993