Chang, C.-H.; Hsu, C.-C.: Integrating query expansion and conceptual relevance feedback for personalized Web information retrieval (1998)
0.04
0.03892455 = product of:
0.06487425 = sum of:
0.034884326 = weight(_text_:u in 1319) [ClassicSimilarity], result of:
0.034884326 = score(doc=1319,freq=2.0), product of:
0.13774939 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.04206802 = queryNorm
0.25324488 = fieldWeight in 1319, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.0546875 = fieldNorm(doc=1319)
0.010041194 = product of:
0.020082388 = sum of:
0.020082388 = weight(_text_:h in 1319) [ClassicSimilarity], result of:
0.020082388 = score(doc=1319,freq=2.0), product of:
0.10451586 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.04206802 = 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)
0.5 = coord(1/2)
0.019948727 = product of:
0.039897453 = sum of:
0.039897453 = weight(_text_:22 in 1319) [ClassicSimilarity], result of:
0.039897453 = score(doc=1319,freq=2.0), product of:
0.14731504 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.04206802 = 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)
0.6 = coord(3/5)
- Date
- 1. 8.1996 22:08:06
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
