Selvaretnam, B.; Belkhatir, M.: ¬A linguistically driven framework for query expansion via grammatical constituent highlighting and role-based concept weighting (2016)
0.02
0.024992658 = product of:
0.06248164 = sum of:
0.028783662 = weight(_text_:u in 2876) [ClassicSimilarity], result of:
0.028783662 = score(doc=2876,freq=2.0), product of:
0.13260265 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.04049623 = queryNorm
0.21706703 = fieldWeight in 2876, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.046875 = fieldNorm(doc=2876)
0.033697978 = weight(_text_:b in 2876) [ClassicSimilarity], result of:
0.033697978 = score(doc=2876,freq=2.0), product of:
0.1434766 = queryWeight, product of:
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.04049623 = queryNorm
0.23486741 = fieldWeight in 2876, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.046875 = fieldNorm(doc=2876)
0.4 = coord(2/5)
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval