-
Rajagopal, P.; Ravana, S.D.; Koh, Y.S.; Balakrishnan, V.: Evaluating the effectiveness of information retrieval systems using effort-based relevance judgment (2019)
0.00
0.0010357446 = product of:
0.0119110625 = sum of:
0.0039282576 = product of:
0.007856515 = sum of:
0.007856515 = weight(_text_:1 in 5287) [ClassicSimilarity], result of:
0.007856515 = score(doc=5287,freq=2.0), product of:
0.057894554 = queryWeight, product of:
2.4565027 = idf(docFreq=10304, maxDocs=44218)
0.023567878 = queryNorm
0.13570388 = fieldWeight in 5287, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4565027 = idf(docFreq=10304, maxDocs=44218)
0.0390625 = fieldNorm(doc=5287)
0.5 = coord(1/2)
0.007982805 = product of:
0.01596561 = sum of:
0.01596561 = weight(_text_:22 in 5287) [ClassicSimilarity], result of:
0.01596561 = score(doc=5287,freq=2.0), product of:
0.08253069 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.023567878 = queryNorm
0.19345059 = fieldWeight in 5287, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0390625 = fieldNorm(doc=5287)
0.5 = coord(1/2)
0.08695652 = coord(2/23)
- Date
- 20. 1.2015 18:30:22
- Source
- Aslib journal of information management. 71(2019) no.1, S.2-17
-
Hancock-Beaulieu, M.; McKenzie, L.; Irving, A.: Evaluative protocols for searching behaviour in online library catalogues (1991)
0.00
9.806413E-4 = product of:
0.02255475 = sum of:
0.02255475 = product of:
0.0451095 = sum of:
0.0451095 = weight(_text_:29 in 347) [ClassicSimilarity], result of:
0.0451095 = score(doc=347,freq=2.0), product of:
0.08290443 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.023567878 = queryNorm
0.5441145 = fieldWeight in 347, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.109375 = fieldNorm(doc=347)
0.5 = coord(1/2)
0.04347826 = coord(1/23)
- Date
- 23. 1.1999 19:52:29
-
Harman, D.K.: ¬The TREC test collections (2005)
0.00
9.806413E-4 = product of:
0.02255475 = sum of:
0.02255475 = product of:
0.0451095 = sum of:
0.0451095 = weight(_text_:29 in 4637) [ClassicSimilarity], result of:
0.0451095 = score(doc=4637,freq=2.0), product of:
0.08290443 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.023567878 = queryNorm
0.5441145 = fieldWeight in 4637, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.109375 = fieldNorm(doc=4637)
0.5 = coord(1/2)
0.04347826 = coord(1/23)
- Date
- 29. 3.1996 18:16:49
-
Buckley, C.; Voorhees, E.M.: Retrieval system evaluation (2005)
0.00
9.806413E-4 = product of:
0.02255475 = sum of:
0.02255475 = product of:
0.0451095 = sum of:
0.0451095 = weight(_text_:29 in 648) [ClassicSimilarity], result of:
0.0451095 = score(doc=648,freq=2.0), product of:
0.08290443 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.023567878 = queryNorm
0.5441145 = fieldWeight in 648, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.109375 = fieldNorm(doc=648)
0.5 = coord(1/2)
0.04347826 = coord(1/23)
- Date
- 29. 3.1996 18:16:49
-
Voiskunskii, V.G.: Evaluation of search results (2000)
0.00
9.806413E-4 = product of:
0.02255475 = sum of:
0.02255475 = product of:
0.0451095 = sum of:
0.0451095 = weight(_text_:29 in 4670) [ClassicSimilarity], result of:
0.0451095 = score(doc=4670,freq=2.0), product of:
0.08290443 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.023567878 = queryNorm
0.5441145 = fieldWeight in 4670, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.109375 = fieldNorm(doc=4670)
0.5 = coord(1/2)
0.04347826 = coord(1/23)
- Source
- Encyclopedia of library and information science. Vol.66, [=Suppl.29]
-
Harman, D.K.: ¬The TREC ad hoc experiments (2005)
0.00
9.806413E-4 = product of:
0.02255475 = sum of:
0.02255475 = product of:
0.0451095 = sum of:
0.0451095 = weight(_text_:29 in 5711) [ClassicSimilarity], result of:
0.0451095 = score(doc=5711,freq=2.0), product of:
0.08290443 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.023567878 = queryNorm
0.5441145 = fieldWeight in 5711, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.109375 = fieldNorm(doc=5711)
0.5 = coord(1/2)
0.04347826 = coord(1/23)
- Date
- 29. 3.1996 18:16:49
-
Robertson, S.; Callan, J.: Routing and filtering (2005)
0.00
9.806413E-4 = product of:
0.02255475 = sum of:
0.02255475 = product of:
0.0451095 = sum of:
0.0451095 = weight(_text_:29 in 4688) [ClassicSimilarity], result of:
0.0451095 = score(doc=4688,freq=2.0), product of:
0.08290443 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.023567878 = queryNorm
0.5441145 = fieldWeight in 4688, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.109375 = fieldNorm(doc=4688)
0.5 = coord(1/2)
0.04347826 = coord(1/23)
- Date
- 29. 3.1996 18:16:49
-
Beaulieu, M.: Approaches to user-based studies in information seeking and retrieval : a Sheffield perspective (2003)
0.00
9.806413E-4 = product of:
0.02255475 = sum of:
0.02255475 = product of:
0.0451095 = sum of:
0.0451095 = weight(_text_:29 in 4692) [ClassicSimilarity], result of:
0.0451095 = score(doc=4692,freq=2.0), product of:
0.08290443 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.023567878 = queryNorm
0.5441145 = fieldWeight in 4692, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.109375 = fieldNorm(doc=4692)
0.5 = coord(1/2)
0.04347826 = coord(1/23)
- Source
- Journal of information science. 29(2003) no.4, S.239-248
-
Harman, D.K.: Beyond English (2005)
0.00
9.806413E-4 = product of:
0.02255475 = sum of:
0.02255475 = product of:
0.0451095 = sum of:
0.0451095 = weight(_text_:29 in 4850) [ClassicSimilarity], result of:
0.0451095 = score(doc=4850,freq=2.0), product of:
0.08290443 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.023567878 = queryNorm
0.5441145 = fieldWeight in 4850, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.109375 = fieldNorm(doc=4850)
0.5 = coord(1/2)
0.04347826 = coord(1/23)
- Date
- 29. 3.1996 18:16:49
-
Voorhees, E.M.; Garofolo, J.S.: Retrieving noisy text (2005)
0.00
9.806413E-4 = product of:
0.02255475 = sum of:
0.02255475 = product of:
0.0451095 = sum of:
0.0451095 = weight(_text_:29 in 5084) [ClassicSimilarity], result of:
0.0451095 = score(doc=5084,freq=2.0), product of:
0.08290443 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.023567878 = queryNorm
0.5441145 = fieldWeight in 5084, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.109375 = fieldNorm(doc=5084)
0.5 = coord(1/2)
0.04347826 = coord(1/23)
- Date
- 29. 3.1996 18:16:49
-
Tomaiuolo, N.G.; Parker, J.: Maximizing relevant retrieval : keyword and natural language searching (1998)
0.00
9.7181974E-4 = product of:
0.022351854 = sum of:
0.022351854 = product of:
0.044703707 = sum of:
0.044703707 = weight(_text_:22 in 6418) [ClassicSimilarity], result of:
0.044703707 = score(doc=6418,freq=2.0), product of:
0.08253069 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.023567878 = queryNorm
0.5416616 = fieldWeight in 6418, 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=6418)
0.5 = coord(1/2)
0.04347826 = coord(1/23)
- Source
- Online. 22(1998) no.6, S.57-58
-
Dalrymple, P.W.: Retrieval by reformulation in two library catalogs : toward a cognitive model of searching behavior (1990)
0.00
9.7181974E-4 = product of:
0.022351854 = sum of:
0.022351854 = product of:
0.044703707 = sum of:
0.044703707 = weight(_text_:22 in 5089) [ClassicSimilarity], result of:
0.044703707 = score(doc=5089,freq=2.0), product of:
0.08253069 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.023567878 = queryNorm
0.5416616 = fieldWeight in 5089, 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=5089)
0.5 = coord(1/2)
0.04347826 = coord(1/23)
- Date
- 22. 7.2006 18:43:54
-
Lioma, C.; Ounis, I.: ¬A syntactically-based query reformulation technique for information retrieval (2008)
0.00
8.904019E-4 = product of:
0.010239622 = sum of:
0.0044443165 = product of:
0.008888633 = sum of:
0.008888633 = weight(_text_:1 in 2031) [ClassicSimilarity], result of:
0.008888633 = score(doc=2031,freq=4.0), product of:
0.057894554 = queryWeight, product of:
2.4565027 = idf(docFreq=10304, maxDocs=44218)
0.023567878 = queryNorm
0.15353142 = fieldWeight in 2031, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
2.4565027 = idf(docFreq=10304, maxDocs=44218)
0.03125 = fieldNorm(doc=2031)
0.5 = coord(1/2)
0.0057953056 = product of:
0.011590611 = sum of:
0.011590611 = weight(_text_:international in 2031) [ClassicSimilarity], result of:
0.011590611 = score(doc=2031,freq=2.0), product of:
0.078619614 = queryWeight, product of:
3.33588 = idf(docFreq=4276, maxDocs=44218)
0.023567878 = queryNorm
0.14742646 = fieldWeight in 2031, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.33588 = idf(docFreq=4276, maxDocs=44218)
0.03125 = fieldNorm(doc=2031)
0.5 = coord(1/2)
0.08695652 = coord(2/23)
- Abstract
- Whereas in language words of high frequency are generally associated with low content [Bookstein, A., & Swanson, D. (1974). Probabilistic models for automatic indexing. Journal of the American Society of Information Science, 25(5), 312-318; Damerau, F. J. (1965). An experiment in automatic indexing. American Documentation, 16, 283-289; Harter, S. P. (1974). A probabilistic approach to automatic keyword indexing. PhD thesis, University of Chicago; Sparck-Jones, K. (1972). A statistical interpretation of term specificity and its application in retrieval. Journal of Documentation, 28, 11-21; Yu, C., & Salton, G. (1976). Precision weighting - an effective automatic indexing method. Journal of the Association for Computer Machinery (ACM), 23(1), 76-88], shallow syntactic fragments of high frequency generally correspond to lexical fragments of high content [Lioma, C., & Ounis, I. (2006). Examining the content load of part of speech blocks for information retrieval. In Proceedings of the international committee on computational linguistics and the association for computational linguistics (COLING/ACL 2006), Sydney, Australia]. We implement this finding to Information Retrieval, as follows. We present a novel automatic query reformulation technique, which is based on shallow syntactic evidence induced from various language samples, and used to enhance the performance of an Information Retrieval system. Firstly, we draw shallow syntactic evidence from language samples of varying size, and compare the effect of language sample size upon retrieval performance, when using our syntactically-based query reformulation (SQR) technique. Secondly, we compare SQR to a state-of-the-art probabilistic pseudo-relevance feedback technique. Additionally, we combine both techniques and evaluate their compatibility. We evaluate our proposed technique across two standard Text REtrieval Conference (TREC) English test collections, and three statistically different weighting models. Experimental results suggest that SQR markedly enhances retrieval performance, and is at least comparable to pseudo-relevance feedback. Notably, the combination of SQR and pseudo-relevance feedback further enhances retrieval performance considerably. These collective experimental results confirm the tenet that high frequency shallow syntactic fragments correspond to content-bearing lexical fragments.
- Source
- Information processing and management. 44(2008) no.1, S.143-162
-
Croft, W.B.; Thompson, R.H.: Support for browsing in an intelligent text retrieval system (1989)
0.00
8.818943E-4 = product of:
0.020283569 = sum of:
0.020283569 = product of:
0.040567137 = sum of:
0.040567137 = weight(_text_:international in 5004) [ClassicSimilarity], result of:
0.040567137 = score(doc=5004,freq=2.0), product of:
0.078619614 = queryWeight, product of:
3.33588 = idf(docFreq=4276, maxDocs=44218)
0.023567878 = queryNorm
0.5159926 = fieldWeight in 5004, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.33588 = idf(docFreq=4276, maxDocs=44218)
0.109375 = fieldNorm(doc=5004)
0.5 = coord(1/2)
0.04347826 = coord(1/23)
- Source
- International journal of man-machine studies. 30(1989), S.639-668
-
Cleverdon, C.W.; Mills, J.: ¬The testing of index language devices (1997)
0.00
8.7284914E-4 = product of:
0.02007553 = sum of:
0.02007553 = product of:
0.04015106 = sum of:
0.04015106 = weight(_text_:international in 576) [ClassicSimilarity], result of:
0.04015106 = score(doc=576,freq=6.0), product of:
0.078619614 = queryWeight, product of:
3.33588 = idf(docFreq=4276, maxDocs=44218)
0.023567878 = queryNorm
0.5107003 = fieldWeight in 576, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
3.33588 = idf(docFreq=4276, maxDocs=44218)
0.0625 = fieldNorm(doc=576)
0.5 = coord(1/2)
0.04347826 = coord(1/23)
- Imprint
- The Hague : International Federation for Information and Documentation (FID)
- Source
- From classification to 'knowledge organization': Dorking revisited or 'past is prelude'. A collection of reprints to commemorate the firty year span between the Dorking Conference (First International Study Conference on Classification Research 1957) and the Sixth International Study Conference on Classification Research (London 1997). Ed.: A. Gilchrist
-
Voorhees, E.M.: Question answering in TREC (2005)
0.00
8.4054976E-4 = product of:
0.019332644 = sum of:
0.019332644 = product of:
0.038665287 = sum of:
0.038665287 = weight(_text_:29 in 6487) [ClassicSimilarity], result of:
0.038665287 = score(doc=6487,freq=2.0), product of:
0.08290443 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.023567878 = queryNorm
0.46638384 = fieldWeight in 6487, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.09375 = fieldNorm(doc=6487)
0.5 = coord(1/2)
0.04347826 = coord(1/23)
- Date
- 29. 3.1996 18:16:49
-
Cormack, G.V.; Clarke, C.L.A.; Palmer, C.R.; Lynam, T.R.: MultiText experiments for TREC (2005)
0.00
8.4054976E-4 = product of:
0.019332644 = sum of:
0.019332644 = product of:
0.038665287 = sum of:
0.038665287 = weight(_text_:29 in 4298) [ClassicSimilarity], result of:
0.038665287 = score(doc=4298,freq=2.0), product of:
0.08290443 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.023567878 = queryNorm
0.46638384 = fieldWeight in 4298, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.09375 = fieldNorm(doc=4298)
0.5 = coord(1/2)
0.04347826 = coord(1/23)
- Date
- 29. 3.1996 18:16:49
-
Dumais, S.T.; Belkin, N.J.: ¬The TREC interactive tracks : putting the user into search (2005)
0.00
8.4054976E-4 = product of:
0.019332644 = sum of:
0.019332644 = product of:
0.038665287 = sum of:
0.038665287 = weight(_text_:29 in 5081) [ClassicSimilarity], result of:
0.038665287 = score(doc=5081,freq=2.0), product of:
0.08290443 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.023567878 = queryNorm
0.46638384 = fieldWeight in 5081, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.09375 = fieldNorm(doc=5081)
0.5 = coord(1/2)
0.04347826 = coord(1/23)
- Date
- 29. 3.1996 18:16:49
-
Hawking, D.; Craswell, N.: ¬The very large collection and Web tracks (2005)
0.00
8.4054976E-4 = product of:
0.019332644 = sum of:
0.019332644 = product of:
0.038665287 = sum of:
0.038665287 = weight(_text_:29 in 5085) [ClassicSimilarity], result of:
0.038665287 = score(doc=5085,freq=2.0), product of:
0.08290443 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.023567878 = queryNorm
0.46638384 = fieldWeight in 5085, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.09375 = fieldNorm(doc=5085)
0.5 = coord(1/2)
0.04347826 = coord(1/23)
- Date
- 29. 3.1996 18:16:49
-
Allan, J.; Croft, W.B.; Callan, J.: ¬The University of Massachusetts and a dozen TRECs (2005)
0.00
8.4054976E-4 = product of:
0.019332644 = sum of:
0.019332644 = product of:
0.038665287 = sum of:
0.038665287 = weight(_text_:29 in 5086) [ClassicSimilarity], result of:
0.038665287 = score(doc=5086,freq=2.0), product of:
0.08290443 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.023567878 = queryNorm
0.46638384 = fieldWeight in 5086, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.09375 = fieldNorm(doc=5086)
0.5 = coord(1/2)
0.04347826 = coord(1/23)
- Date
- 29. 3.1996 18:16:49
