Chen, H.; Martinez, J.; Kirchhoff, A.; Ng, T.D.; Schatz, B.R.: Alleviating search uncertainty through concept associations : automatic indexing, co-occurence analysis, and parallel computing (1998)
0.01
0.0136416275 = product of:
0.02046244 = sum of:
0.008459966 = weight(_text_:of in 5202) [ClassicSimilarity], result of:
0.008459966 = score(doc=5202,freq=2.0), product of:
0.08160993 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.05218836 = queryNorm
0.103663445 = fieldWeight in 5202, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.046875 = fieldNorm(doc=5202)
0.012002475 = product of:
0.02400495 = sum of:
0.02400495 = weight(_text_:science in 5202) [ClassicSimilarity], result of:
0.02400495 = score(doc=5202,freq=2.0), product of:
0.13747036 = queryWeight, product of:
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.05218836 = queryNorm
0.17461908 = fieldWeight in 5202, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.046875 = fieldNorm(doc=5202)
0.5 = coord(1/2)
0.6666667 = coord(2/3)
- Source
- Journal of the American Society for Information Science. 49(1998) no.3, S.206-216
