Text retrieval : A directory of software (1990)
0.02
0.019251842 = product of:
0.038503684 = sum of:
0.038503684 = product of:
0.07700737 = sum of:
0.07700737 = weight(_text_:systems in 796) [ClassicSimilarity], result of:
0.07700737 = score(doc=796,freq=4.0), product of:
0.16037072 = queryWeight, product of:
3.0731742 = idf(docFreq=5561, maxDocs=44218)
0.052184064 = queryNorm
0.48018348 = fieldWeight in 796, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.0731742 = idf(docFreq=5561, maxDocs=44218)
0.078125 = fieldNorm(doc=796)
0.5 = coord(1/2)
0.5 = coord(1/2)
- PRECIS
- Text processing systems
- Subject
- Text processing systems