Liebenau, J.; Backhouse, J.: Understanding information : an introduction (1990)
0.01
0.007801242 = product of:
0.05460869 = sum of:
0.05460869 = weight(_text_:retrieval in 7) [ClassicSimilarity], result of:
0.05460869 = score(doc=7,freq=4.0), product of:
0.11553899 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.03819578 = queryNorm
0.47264296 = fieldWeight in 7, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.078125 = fieldNorm(doc=7)
0.14285715 = coord(1/7)
- LCSH
- Information storage and retrieval systems
- Subject
- Information storage and retrieval systems