-
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
0.012893477 = product of:
0.025786955 = sum of:
0.025786955 = product of:
0.07736086 = sum of:
0.07736086 = weight(_text_:l in 7000) [ClassicSimilarity], result of:
0.07736086 = score(doc=7000,freq=2.0), product of:
0.17616397 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.044321854 = queryNorm
0.4391412 = fieldWeight in 7000, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.078125 = fieldNorm(doc=7000)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
-
Tseng, Y.-H.: Solving vocabulary problems with interactive query expansion (1998)
0.01
0.009450726 = product of:
0.018901452 = sum of:
0.018901452 = product of:
0.056704357 = sum of:
0.056704357 = weight(_text_:y in 5159) [ClassicSimilarity], result of:
0.056704357 = score(doc=5159,freq=2.0), product of:
0.2132945 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.044321854 = queryNorm
0.26585007 = fieldWeight in 5159, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.0390625 = fieldNorm(doc=5159)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
-
Colace, F.; Santo, M. de; Greco, L.; Napoletano, P.: Improving relevance feedback-based query expansion by the use of a weighted word pairs approach (2015)
0.01
0.007736086 = product of:
0.015472172 = sum of:
0.015472172 = product of:
0.046416514 = sum of:
0.046416514 = weight(_text_:l in 2263) [ClassicSimilarity], result of:
0.046416514 = score(doc=2263,freq=2.0), product of:
0.17616397 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.044321854 = queryNorm
0.26348472 = fieldWeight in 2263, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.046875 = fieldNorm(doc=2263)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
