-
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)
0.04
0.039384715 = product of:
0.098461784 = sum of:
0.048695378 = weight(_text_:u in 7000) [ClassicSimilarity], result of:
0.048695378 = score(doc=7000,freq=2.0), product of:
0.13460001 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.041106213 = 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)
0.049766406 = weight(_text_:r in 7000) [ClassicSimilarity], result of:
0.049766406 = score(doc=7000,freq=2.0), product of:
0.13607219 = queryWeight, product of:
3.3102584 = idf(docFreq=4387, maxDocs=44218)
0.041106213 = queryNorm
0.36573532 = fieldWeight in 7000, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.3102584 = idf(docFreq=4387, maxDocs=44218)
0.078125 = fieldNorm(doc=7000)
0.4 = coord(2/5)
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
-
Gauch, S.; Wang, J.: Corpus analysis for TREC 5 query expansion (1997)
0.02
0.016527759 = product of:
0.08263879 = sum of:
0.08263879 = weight(_text_:u in 5800) [ClassicSimilarity], result of:
0.08263879 = score(doc=5800,freq=4.0), product of:
0.13460001 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.041106213 = queryNorm
0.6139583 = fieldWeight in 5800, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.09375 = fieldNorm(doc=5800)
0.2 = coord(1/5)
- Source
- The Fifth Text Retrieval Conference (TREC-5). Ed.: E.M. Voorhees u. D.K. Harman
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
-
Ekmekcioglu, F.C.; Robertson, A.M.; Willett, P.: Effectiveness of query expansion in ranked-output document retrieval systems (1992)
0.01
0.0077912607 = product of:
0.038956303 = sum of:
0.038956303 = weight(_text_:u in 5689) [ClassicSimilarity], result of:
0.038956303 = score(doc=5689,freq=2.0), product of:
0.13460001 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.041106213 = queryNorm
0.28942272 = fieldWeight in 5689, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.0625 = fieldNorm(doc=5689)
0.2 = coord(1/5)
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
-
Robertson, S.E.; Walker, S.; Hancock-Beaulieu, M.M.: Large test collection experiments of an operational, interactive system : OKAPI at TREC (1995)
0.01
0.006817353 = product of:
0.034086764 = sum of:
0.034086764 = weight(_text_:u in 6964) [ClassicSimilarity], result of:
0.034086764 = score(doc=6964,freq=2.0), product of:
0.13460001 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.041106213 = queryNorm
0.25324488 = fieldWeight in 6964, 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=6964)
0.2 = coord(1/5)
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
-
Chen, H.; Martinez, J.; Kirchhoff, A.; Ng, T.D.; Schatz, B.R.: Alleviating search uncertainty through concept associations : automatic indexing, co-occurence analysis, and parallel computing (1998)
0.01
0.005843445 = product of:
0.029217226 = sum of:
0.029217226 = weight(_text_:u in 5202) [ClassicSimilarity], result of:
0.029217226 = score(doc=5202,freq=2.0), product of:
0.13460001 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.041106213 = queryNorm
0.21706703 = fieldWeight in 5202, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.046875 = fieldNorm(doc=5202)
0.2 = coord(1/5)
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
-
Kwok, K.L.: ¬A network approach to probabilistic information retrieval (1995)
0.01
0.005843445 = product of:
0.029217226 = sum of:
0.029217226 = weight(_text_:u in 5696) [ClassicSimilarity], result of:
0.029217226 = score(doc=5696,freq=2.0), product of:
0.13460001 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.041106213 = queryNorm
0.21706703 = fieldWeight in 5696, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.046875 = fieldNorm(doc=5696)
0.2 = coord(1/5)
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
-
Buckley, C.; Allan, J.; Salton, G.: Automatic routing and retrieval using Smart : TREC-2 (1995)
0.01
0.005843445 = product of:
0.029217226 = sum of:
0.029217226 = weight(_text_:u in 5699) [ClassicSimilarity], result of:
0.029217226 = score(doc=5699,freq=2.0), product of:
0.13460001 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.041106213 = queryNorm
0.21706703 = fieldWeight in 5699, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.046875 = fieldNorm(doc=5699)
0.2 = coord(1/5)
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval