Salton, G.; Waldstein, R.H.: Term relevance weights in on-line information retrieval (1978)
0.01
0.0054073012 = product of:
0.032443807 = sum of:
0.032443807 = weight(_text_:information in 5484) [ClassicSimilarity], result of:
0.032443807 = score(doc=5484,freq=4.0), product of:
0.07392587 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.042111535 = queryNorm
0.43886948 = fieldWeight in 5484, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.125 = fieldNorm(doc=5484)
0.16666667 = coord(1/6)
- Source
- Information processing and management. 14(1978), S.20-35
