Cox, J.: Keyguide to information sources in online and CD-ROM database searching (1991)
0.13
0.13234451 = product of:
0.26468903 = sum of:
0.16275628 = weight(_text_:storage in 982) [ClassicSimilarity], result of:
0.16275628 = score(doc=982,freq=4.0), product of:
0.23895897 = queryWeight, product of:
5.4488444 = idf(docFreq=516, maxDocs=44218)
0.04385498 = queryNorm
0.68110555 = fieldWeight in 982, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
5.4488444 = idf(docFreq=516, maxDocs=44218)
0.0625 = fieldNorm(doc=982)
0.05015974 = weight(_text_:retrieval in 982) [ClassicSimilarity], result of:
0.05015974 = score(doc=982,freq=4.0), product of:
0.13265759 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.04385498 = queryNorm
0.37811437 = fieldWeight in 982, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.0625 = fieldNorm(doc=982)
0.051772997 = weight(_text_:systems in 982) [ClassicSimilarity], result of:
0.051772997 = score(doc=982,freq=4.0), product of:
0.134774 = queryWeight, product of:
3.0731742 = idf(docFreq=5561, maxDocs=44218)
0.04385498 = queryNorm
0.38414678 = fieldWeight in 982, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.0731742 = idf(docFreq=5561, maxDocs=44218)
0.0625 = fieldNorm(doc=982)
0.5 = coord(3/6)
- LCSH
- Information storage and retrieval systems
- Subject
- Information storage and retrieval systems
