-
Smeaton, A.F.; Rijsbergen, C.J. van: ¬The retrieval effects of query expansion on a feedback document retrieval system (1983)
0.08
0.08106862 = product of:
0.16213724 = sum of:
0.16213724 = sum of:
0.07563405 = weight(_text_:u in 2134) [ClassicSimilarity], result of:
0.07563405 = score(doc=2134,freq=2.0), product of:
0.14932987 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.045604642 = queryNorm
0.50648975 = fieldWeight in 2134, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.109375 = fieldNorm(doc=2134)
0.08650319 = weight(_text_:22 in 2134) [ClassicSimilarity], result of:
0.08650319 = score(doc=2134,freq=2.0), product of:
0.1596997 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045604642 = queryNorm
0.5416616 = fieldWeight in 2134, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.109375 = fieldNorm(doc=2134)
0.5 = coord(1/2)
- Date
- 30. 3.2001 13:32:22
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
-
Kelledy, L.; Smeaton, A.F.: TREC-5 experiments at Dublin City University : Query space reduction, Spanish & character shape encoding (1997)
0.02
0.016207296 = product of:
0.032414593 = sum of:
0.032414593 = product of:
0.064829186 = sum of:
0.064829186 = weight(_text_:u in 3089) [ClassicSimilarity], result of:
0.064829186 = score(doc=3089,freq=2.0), product of:
0.14932987 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.045604642 = queryNorm
0.43413407 = fieldWeight in 3089, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.09375 = fieldNorm(doc=3089)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- The Fifth Text Retrieval Conference (TREC-5). Ed.: E.M. Voorhees u. D.K. Harman
-
Smeaton, A.F.; Kelledy, L.; O'Donnell, R.: TREC-4 experiments at Dublin City University : thresholding posting lists, query expansion with WordNet and POS tagging of Spanish (1996)
0.01
0.013506081 = product of:
0.027012162 = sum of:
0.027012162 = product of:
0.054024324 = sum of:
0.054024324 = weight(_text_:u in 7000) [ClassicSimilarity], result of:
0.054024324 = score(doc=7000,freq=2.0), product of:
0.14932987 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.045604642 = queryNorm
0.3617784 = fieldWeight in 7000, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.078125 = fieldNorm(doc=7000)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
-
Richardson, R.; Smeaton, A.F.; Murphy, J.: Using WordNet for conceptual distance measurement (1996)
0.01
0.010812899 = product of:
0.021625798 = sum of:
0.021625798 = product of:
0.043251596 = sum of:
0.043251596 = weight(_text_:22 in 6965) [ClassicSimilarity], result of:
0.043251596 = score(doc=6965,freq=2.0), product of:
0.1596997 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045604642 = queryNorm
0.2708308 = fieldWeight in 6965, 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=6965)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Information retrieval: new systems and current research. Proceedings of the 16th Research Colloquium of the British Computer Society Information Retrieval Specialist Group, Drymen, Scotland, 22-23 Mar 94. Ed.: R. Leon
-
Kelledy, F.; Smeaton, A.F.: Signature files and beyond (1996)
0.01
0.009268199 = product of:
0.018536398 = sum of:
0.018536398 = product of:
0.037072796 = sum of:
0.037072796 = weight(_text_:22 in 6973) [ClassicSimilarity], result of:
0.037072796 = score(doc=6973,freq=2.0), product of:
0.1596997 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045604642 = queryNorm
0.23214069 = fieldWeight in 6973, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046875 = fieldNorm(doc=6973)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Information retrieval: new systems and current research. Proceedings of the 16th Research Colloquium of the British Computer Society Information Retrieval Specialist Group, Drymen, Scotland, 22-23 Mar 94. Ed.: R. Leon
-
O'Donnell, R.; Smeaton, A.F.: ¬A linguistic approach to information retrieval (1996)
0.01
0.009268199 = product of:
0.018536398 = sum of:
0.018536398 = product of:
0.037072796 = sum of:
0.037072796 = weight(_text_:22 in 2575) [ClassicSimilarity], result of:
0.037072796 = score(doc=2575,freq=2.0), product of:
0.1596997 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045604642 = queryNorm
0.23214069 = fieldWeight in 2575, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046875 = fieldNorm(doc=2575)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Information retrieval: new systems and current research. Proceedings of the 16th Research Colloquium of the British Computer Society Information Retrieval Specialist Group, Drymen, Scotland, 22-23 Mar 94. Ed.: R. Leon