Brenner, E.H.; Saracevic, T.: Indexing and searching in perspective (1985)
0.02
0.020956578 = product of:
0.08382631 = sum of:
0.08382631 = weight(_text_:services in 8129) [ClassicSimilarity], result of:
0.08382631 = score(doc=8129,freq=2.0), product of:
0.17221296 = queryWeight, product of:
3.6713707 = idf(docFreq=3057, maxDocs=44218)
0.046906993 = queryNorm
0.4867596 = fieldWeight in 8129, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.6713707 = idf(docFreq=3057, maxDocs=44218)
0.09375 = fieldNorm(doc=8129)
0.25 = coord(1/4)
- Imprint
- Philadelphia : National Federation of Abstracting and Information Services