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» A Probability Model for Combining Ranks
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CIKM
2004
Springer
15 years 9 months ago
Approximating the top-m passages in a parallel question answering system
We examine the problem of retrieving the top-m ranked items from a large collection, randomly distributed across an n-node system. In order to retrieve the top m overall, we must ...
Charles L. A. Clarke, Egidio L. Terra
ICASSP
2011
IEEE
14 years 7 months ago
Random block-angular matrices for distributed data storage
Random binary matrices have found many applications in signal processing and coding. Rateless codes, for example, are based on the random generation of codewords by means of inner...
Paulo Jorge S. G. Ferreira, Bruno Jesus, Jose Viei...
SIGIR
2005
ACM
15 years 9 months ago
Relevance weighting for query independent evidence
A query independent feature, relating perhaps to document content, linkage or usage, can be transformed into a static, per-document relevance weight for use in ranking. The challe...
Nick Craswell, Stephen E. Robertson, Hugo Zaragoza...
TREC
2007
15 years 5 months ago
MultiText Legal Experiments at TREC 2007
For the legal track we used the Wumpus search engine and investigated several methods that have proven successful in other domains, including cover density ranking and Okapi BM25 ...
Stefan Büttcher, Charles L. A. Clarke, Gordon...
LOCA
2005
Springer
15 years 9 months ago
Issues and Requirements for Bayesian Approaches in Context Aware Systems
Research in advanced context-aware systems has clearly shown a need to capture the inherent uncertainty in the physical world, especially in human behavior. Modelling approaches th...
Michael Angermann, Patrick Robertson, Thomas Stran...