Efthimiadis, E.N.: Interactive query expansion : a user-based evaluation in a relevance feedback environment (2000)
0.00
0.0044373265 = product of:
0.008874653 = sum of:
0.008874653 = product of:
0.017749306 = sum of:
0.017749306 = weight(_text_:u in 5701) [ClassicSimilarity], result of:
0.017749306 = score(doc=5701,freq=2.0), product of:
0.12265316 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.0374577 = queryNorm
0.14471136 = fieldWeight in 5701, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.03125 = fieldNorm(doc=5701)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval