Chang, C.-H.; Hsu, C.-C.: Integrating query expansion and conceptual relevance feedback for personalized Web information retrieval (1998)
0.04
0.03635057 = product of:
0.07270114 = sum of:
0.07270114 = sum of:
0.024341721 = weight(_text_:h in 1319) [ClassicSimilarity], result of:
0.024341721 = score(doc=1319,freq=2.0), product of:
0.12668294 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.05099035 = queryNorm
0.19214681 = fieldWeight in 1319, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.0546875 = fieldNorm(doc=1319)
0.04835942 = weight(_text_:22 in 1319) [ClassicSimilarity], result of:
0.04835942 = score(doc=1319,freq=2.0), product of:
0.17855953 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05099035 = queryNorm
0.2708308 = fieldWeight in 1319, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0546875 = fieldNorm(doc=1319)
0.5 = coord(1/2)
- Date
- 1. 8.1996 22:08:06