-
Chang, C.-H.; Hsu, C.-C.: Integrating query expansion and conceptual relevance feedback for personalized Web information retrieval (1998)
0.01
0.012491884 = product of:
0.024983767 = sum of:
0.024983767 = product of:
0.049967535 = sum of:
0.049967535 = weight(_text_:22 in 1319) [ClassicSimilarity], result of:
0.049967535 = score(doc=1319,freq=2.0), product of:
0.18449724 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.052685954 = 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)
0.5 = coord(1/2)
- Date
- 1. 8.1996 22:08:06
-
Chang, C.-H.; Hsu, C.-C.: Customizable multi-engine search tool with clustering (1997)
0.01
0.012491884 = product of:
0.024983767 = sum of:
0.024983767 = product of:
0.049967535 = sum of:
0.049967535 = weight(_text_:22 in 2670) [ClassicSimilarity], result of:
0.049967535 = score(doc=2670,freq=2.0), product of:
0.18449724 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.052685954 = queryNorm
0.2708308 = fieldWeight in 2670, 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=2670)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 1. 8.1996 22:08:06
-
Hsieh, S.-M.; Hsu, C.-C.: Retrieval of images by spatial and object similarities (2008)
0.01
0.0054069017 = product of:
0.010813803 = sum of:
0.010813803 = product of:
0.021627607 = sum of:
0.021627607 = weight(_text_:m in 2089) [ClassicSimilarity], result of:
0.021627607 = score(doc=2089,freq=2.0), product of:
0.13110629 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.052685954 = queryNorm
0.1649624 = fieldWeight in 2089, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.046875 = fieldNorm(doc=2089)
0.5 = coord(1/2)
0.5 = coord(1/2)