-
Chang, C.-H.; Hsu, C.-C.: Integrating query expansion and conceptual relevance feedback for personalized Web information retrieval (1998)
0.03
0.026684217 = product of:
0.053368434 = sum of:
0.053368434 = sum of:
0.0046921936 = weight(_text_:s in 1319) [ClassicSimilarity], result of:
0.0046921936 = score(doc=1319,freq=2.0), product of:
0.055801827 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.05132441 = queryNorm
0.08408674 = fieldWeight in 1319, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0546875 = fieldNorm(doc=1319)
0.04867624 = weight(_text_:22 in 1319) [ClassicSimilarity], result of:
0.04867624 = score(doc=1319,freq=2.0), product of:
0.17972933 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05132441 = 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
- Source
- Computer networks and ISDN systems. 30(1998) nos.1/7, S.621-623
-
Khan, M.S.; Khor, S.: Enhanced Web document retrieval using automatic query expansion (2004)
0.00
0.0014219495 = product of:
0.002843899 = sum of:
0.002843899 = product of:
0.005687798 = sum of:
0.005687798 = weight(_text_:s in 2091) [ClassicSimilarity], result of:
0.005687798 = score(doc=2091,freq=4.0), product of:
0.055801827 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.05132441 = queryNorm
0.101928525 = fieldWeight in 2091, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=2091)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and technology. 55(2004) no.1, S.29-40
-
Menczer, F.: Lexical and semantic clustering by Web links (2004)
0.00
0.00100547 = product of:
0.00201094 = sum of:
0.00201094 = product of:
0.00402188 = sum of:
0.00402188 = weight(_text_:s in 3090) [ClassicSimilarity], result of:
0.00402188 = score(doc=3090,freq=2.0), product of:
0.055801827 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.05132441 = queryNorm
0.072074346 = fieldWeight in 3090, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=3090)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and Technology. 55(2004) no.14, S.1261-1269