Brenner, E.H.; Saracevic, T.: Indexing and searching in perspective (1985)
0.06
0.055173367 = product of:
0.08276005 = sum of:
0.03657697 = weight(_text_:information in 8129) [ClassicSimilarity], result of:
0.03657697 = score(doc=8129,freq=6.0), product of:
0.09073304 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.05168566 = queryNorm
0.40312737 = fieldWeight in 8129, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.09375 = fieldNorm(doc=8129)
0.046183076 = product of:
0.09236615 = sum of:
0.09236615 = weight(_text_:services in 8129) [ClassicSimilarity], result of:
0.09236615 = score(doc=8129,freq=2.0), product of:
0.18975723 = queryWeight, product of:
3.6713707 = idf(docFreq=3057, maxDocs=44218)
0.05168566 = 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)
0.5 = coord(1/2)
0.6666667 = coord(2/3)
- Imprint
- Philadelphia : National Federation of Abstracting and Information Services
- LCSH
- Information retrieval
- Subject
- Information retrieval