Sihvonen, A.; Vakkari, P.: Subject knowledge improves interactive query expansion assisted by a thesaurus (2004)
0.00
0.0010699268 = product of:
0.014978974 = sum of:
0.014978974 = weight(_text_:retrieval in 4417) [ClassicSimilarity], result of:
0.014978974 = score(doc=4417,freq=2.0), product of:
0.08963835 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.029633347 = queryNorm
0.16710453 = fieldWeight in 4417, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.0390625 = fieldNorm(doc=4417)
0.071428575 = coord(1/14)
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval