Efthimiadis, E.N.: Approaches to search formulation and query expansion in information systems : DRS, DBMS, ES (1992)
0.03
0.025940867 = product of:
0.10376347 = sum of:
0.10376347 = weight(_text_:indexierung in 3871) [ClassicSimilarity], result of:
0.10376347 = score(doc=3871,freq=2.0), product of:
0.17463255 = queryWeight, product of:
5.377919 = idf(docFreq=554, maxDocs=44218)
0.03247214 = queryNorm
0.5941817 = fieldWeight in 3871, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.377919 = idf(docFreq=554, maxDocs=44218)
0.078125 = fieldNorm(doc=3871)
0.25 = coord(1/4)
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
