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CLEF
2003
Springer
15 years 7 months ago
The Multiple Language Question Answering Track at CLEF 2003
This paper reports on the pilot question answering track that was carried out within the CLEF initiative this year. The track was divided into monolingual and bilingual tasks: mono...
Bernardo Magnini, Simone Romagnoli, Alessandro Val...
129
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PODS
1997
ACM
149views Database» more  PODS 1997»
15 years 6 months ago
Answering Recursive Queries Using Views
We consider the problem of answering datalog queries using materialized views. The ability to answer queries using views is crucial in the context of information integration. Prev...
Oliver M. Duschka, Michael R. Genesereth
121
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AMW
2009
15 years 3 months ago
Consistent Query Answering in Data Warehouses
Abstract. A Data Warehouse (DW) is a data repository that organizes and physically integrates data from multiple sources under special kinds of schemas. A DW is composed by a set o...
Leopoldo E. Bertossi, Loreto Bravo, Mónica ...
141
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CIKM
2010
Springer
15 years 1 months ago
Rank learning for factoid question answering with linguistic and semantic constraints
This work presents a general rank-learning framework for passage ranking within Question Answering (QA) systems using linguistic and semantic features. The framework enables query...
Matthew W. Bilotti, Jonathan L. Elsas, Jaime G. Ca...
207
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SIGMOD
2006
ACM
109views Database» more  SIGMOD 2006»
16 years 2 months ago
OMCAT: optimal maintenance of continuous queries' answers for trajectories
We present our prototype system, OMCAT, which optimizes the reevaluation of a set of pending continuous spatio-temporal queries on trajectory data, when some of the trajectories a...
Hui Ding, Goce Trajcevski, Peter Scheuermann