Search (2 results, page 1 of 1)
-
Qiu, Y.; Frei, H.P.: Concept based query expansion (1993)
0.04
0.038304787 = product of: 0.076609574 = sum of: 0.076609574 = product of: 0.15321915 = sum of: 0.15321915 = weight(_text_:y in 2678) [ClassicSimilarity], result of: 0.15321915 = score(doc=2678,freq=2.0), product of: 0.24014029 = queryWeight, product of: 4.8124003 = idf(docFreq=976, maxDocs=44218) 0.049900316 = queryNorm 0.6380402 = fieldWeight in 2678, product of: 1.4142135 = tf(freq=2.0), with freq of: 2.0 = termFreq=2.0 4.8124003 = idf(docFreq=976, maxDocs=44218) 0.09375 = fieldNorm(doc=2678) 0.5 = coord(1/2) 0.5 = coord(1/2)
-
Frei, H.P.; Meienberg, S.: Evaluating weighted search terms as Boolean queries (1991)
0.01
0.013521608 = product of: 0.027043216 = sum of: 0.027043216 = product of: 0.05408643 = sum of: 0.05408643 = weight(_text_:22 in 4159) [ClassicSimilarity], result of: 0.05408643 = score(doc=4159,freq=2.0), product of: 0.1747424 = queryWeight, product of: 3.5018296 = idf(docFreq=3622, maxDocs=44218) 0.049900316 = queryNorm 0.30952093 = fieldWeight in 4159, product of: 1.4142135 = tf(freq=2.0), with freq of: 2.0 = termFreq=2.0 3.5018296 = idf(docFreq=3622, maxDocs=44218) 0.0625 = fieldNorm(doc=4159) 0.5 = coord(1/2) 0.5 = coord(1/2)
- Pages
- S.11-22
Authors
- Meienberg, S. 1
- Qiu, Y. 1