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IR
2008
8 years 3 months ago
Probabilistic relevance ranking for collaborative filtering
Jun Wang, Stephen Robertson, Arjen P. de Vries, Ma...
IR
2008
8 years 3 months ago
Negation recognition in medical narrative reports
Substantial medical data, such as discharge summaries and operative reports are stored in electronic textual form. Databases containing free-text clinical narratives reports often...
Lior Rokach, Roni Romano, Oded Maimon
IR
2008
8 years 3 months ago
Focused web crawling in the acquisition of comparable corpora
CLIR resources, such as dictionaries and parallel corpora, are scarce for special domains. Obtaining comparable corpora automatically for such domains could be an answer to this p...
Tuomas Talvensaari, Ari Pirkola, Kalervo Järv...
IR
2008
8 years 3 months ago
A compressed self-index using a Ziv-Lempel dictionary
A compressed full-text self-index for a text T , of size u, is a data structure used to search for patterns P, of size m, in T , that requires reduced space, i.e. space that depend...
Luís M. S. Russo, Arlindo L. Oliveira
IR
2008
8 years 3 months ago
Output-sensitive autocompletion search
We consider the following autocompletion search scenario: imagine a user of a search engine typing a query; then with every keystroke display those completions of the last query wo...
Holger Bast, Christian Worm Mortensen, Ingmar Webe...
IR
2008
8 years 3 months ago
Efficient algorithms for pattern matching with general gaps, character classes, and transposition invariance
We develop efficient dynamic programming algorithms for pattern matching with general gaps and character classes. We consider patterns of the form p0g(a0, b0)p1g(a1, b1) . . . pm-1...
Kimmo Fredriksson, Szymon Grabowski
IR
2008
8 years 3 months ago
A probability ranking principle for interactive information retrieval
The classical Probability Ranking Principle (PRP) forms the theoretical basis for probabilistic Information Retrieval (IR) models, which are dominating IR theory since about 20 ye...
Norbert Fuhr
IR
2008
8 years 3 months ago
Features for image retrieval: an experimental comparison
An experimental comparison of a large number of different image descriptors for content-based image retrieval is presented. Many of the papers describing new techniques and descri...
Thomas Deselaers, Daniel Keysers, Hermann Ney
IR
2008
8 years 3 months ago
An analysis on document length retrieval trends in language modeling smoothing
Abstract. Document length is widely recognized as an important factor for adjusting retrieval systems. Many models tend to favor the retrieval of either short or long documents and...
David E. Losada, Leif Azzopardi
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