Chang, C.-H.; Hsu, C.-C.: Integrating query expansion and conceptual relevance feedback for personalized Web information retrieval (1998)
0.00
0.0033320277 = product of:
0.026656222 = sum of:
0.018145926 = weight(_text_:internet in 1319) [ClassicSimilarity], result of:
0.018145926 = score(doc=1319,freq=2.0), product of:
0.07947389 = queryWeight, product of:
2.9522398 = idf(docFreq=6276, maxDocs=44218)
0.026919862 = queryNorm
0.22832564 = fieldWeight in 1319, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.9522398 = idf(docFreq=6276, maxDocs=44218)
0.0546875 = fieldNorm(doc=1319)
0.008510296 = product of:
0.025530888 = sum of:
0.025530888 = weight(_text_:22 in 1319) [ClassicSimilarity], result of:
0.025530888 = score(doc=1319,freq=2.0), product of:
0.09426877 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.026919862 = 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)
0.33333334 = coord(1/3)
0.125 = coord(2/16)
- Date
- 1. 8.1996 22:08:06
- Theme
- Internet
