Rowley, J.E.: Organising knowledge : An introduction to information retrieval (1987)
0.01
0.013522485 = product of:
0.09465739 = sum of:
0.023848135 = weight(_text_:information in 4291) [ClassicSimilarity], result of:
0.023848135 = score(doc=4291,freq=10.0), product of:
0.05498814 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.031323742 = queryNorm
0.43369597 = fieldWeight in 4291, product of:
3.1622777 = tf(freq=10.0), with freq of:
10.0 = termFreq=10.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.078125 = fieldNorm(doc=4291)
0.07080925 = weight(_text_:retrieval in 4291) [ClassicSimilarity], result of:
0.07080925 = score(doc=4291,freq=10.0), product of:
0.094751656 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.031323742 = queryNorm
0.74731416 = fieldWeight in 4291, product of:
3.1622777 = tf(freq=10.0), with freq of:
10.0 = termFreq=10.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.078125 = fieldNorm(doc=4291)
0.14285715 = coord(2/14)
- LCSH
- Information storage and retrieval systems
- PRECIS
- Information retrieval systems
- Subject
- Information storage and retrieval systems
Information retrieval systems