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124
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CLEF
2005
Springer
15 years 8 months ago
20th Century Esfinge (Sphinx) Solving the Riddles at CLEF 2005
Abstract. Esfinge is a general domain Portuguese question answering system. It tries to apply simple techniques to large amounts of text. Esfinge participated last year in the mono...
Luís Costa
128
Voted
LREC
2008
115views Education» more  LREC 2008»
15 years 4 months ago
Evaluating Robustness Of A QA System Through A Corpus Of Real-Life Questions
This paper presents the sequential evaluation of the question answering system SQuaLIA. This system is based on the same sequential process as most statistical question answering ...
Laurianne Sitbon, Patrice Bellot, Philippe Blache
202
Voted
SIGMOD
2007
ACM
146views Database» more  SIGMOD 2007»
16 years 2 months ago
Distributed query evaluation with performance guarantees
Partial evaluation has recently proven an effective technique for evaluating Boolean XPath queries over a fragmented tree that is distributed over a number of sites. What left ope...
Gao Cong, Wenfei Fan, Anastasios Kementsietsidis
138
Voted
ICDE
2000
IEEE
161views Database» more  ICDE 2000»
15 years 6 months ago
Efficient Query Refinement in Multimedia Databases
Increasing application demands are pushing database management systems (DBMSs) towards providing adequate and efficient support for content-based retrieval over multimedia objects...
Kaushik Chakrabarti, Kriengkrai Porkaew, Sharad Me...
160
Voted
WWW
2011
ACM
14 years 9 months ago
Rewriting queries on SPARQL views
The problem of answering SPARQL queries over virtual SPARQL views is commonly encountered in a number of settings, including while enforcing security policies to access RDF data, ...
Wangchao Le, Songyun Duan, Anastasios Kementsietsi...