Ensor, P.: CD-ROM research collection : an evaluative guide to bibliographic and full-text CD-ROM databases (1991)
0.23
0.22875388 = product of:
0.5718847 = sum of:
0.27074644 = weight(_text_:compact in 830) [ClassicSimilarity], result of:
0.27074644 = score(doc=830,freq=4.0), product of:
0.28613505 = queryWeight, product of:
7.5697527 = idf(docFreq=61, maxDocs=44218)
0.037799787 = queryNorm
0.9462191 = fieldWeight in 830, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
7.5697527 = idf(docFreq=61, maxDocs=44218)
0.0625 = fieldNorm(doc=830)
0.30113825 = weight(_text_:discs in 830) [ClassicSimilarity], result of:
0.30113825 = score(doc=830,freq=4.0), product of:
0.30176762 = queryWeight, product of:
7.983315 = idf(docFreq=40, maxDocs=44218)
0.037799787 = queryNorm
0.9979144 = fieldWeight in 830, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
7.983315 = idf(docFreq=40, maxDocs=44218)
0.0625 = fieldNorm(doc=830)
0.4 = coord(2/5)
- COMPASS
- Libraries / Use of / Compact discs (Computers)
- Subject
- Libraries / Use of / Compact discs (Computers)