Ingwersen, P.; Wormell, I.: Modern indexing and retrieval techniques matching different types of information needs (1989)
0.04
0.0409706 = product of:
0.0819412 = sum of:
0.0819412 = sum of:
0.011814853 = weight(_text_:e in 7322) [ClassicSimilarity], result of:
0.011814853 = score(doc=7322,freq=2.0), product of:
0.053140633 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.036970742 = queryNorm
0.2223318 = fieldWeight in 7322, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.109375 = fieldNorm(doc=7322)
0.07012635 = weight(_text_:22 in 7322) [ClassicSimilarity], result of:
0.07012635 = score(doc=7322,freq=2.0), product of:
0.12946524 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.036970742 = queryNorm
0.5416616 = fieldWeight in 7322, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.109375 = fieldNorm(doc=7322)
0.5 = coord(1/2)
- Language
- e
- Source
- International forum on information and documentation. 14(1989), S.17-22