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» Pattern-Based Query Answering
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97
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PODS
2003
ACM
148views Database» more  PODS 2003»
16 years 1 months ago
On the decidability and complexity of query answering over inconsistent and incomplete databases
Andrea Calì, Domenico Lembo, Riccardo Rosat...
112
Voted
TREC
2001
15 years 2 months ago
Question Answering: CNLP at the TREC-10 Question Answering Track
This paper describes the retrieval experiments for the main task and list task of the TREC-10 questionanswering track. The question answering system described automatically finds ...
Jiangping Chen, Anne Diekema, Mary D. Taffet, Nanc...
145
Voted
JAIR
2012
254views Hardware» more  JAIR 2012»
13 years 3 months ago
Completeness Guarantees for Incomplete Ontology Reasoners: Theory and Practice
To achieve scalability of query answering, the developers of Semantic Web applications are often forced to use incomplete OWL 2 reasoners, which fail to derive all answers for at ...
Bernardo Cuenca Grau, Boris Motik, Giorgos Stoilos...
100
Voted
APPROX
2010
Springer
168views Algorithms» more  APPROX 2010»
15 years 2 months ago
Differential Privacy and the Fat-Shattering Dimension of Linear Queries
In this paper, we consider the task of answering linear queries under the constraint of differential privacy. This is a general and well-studied class of queries that captures oth...
Aaron Roth
118
Voted
ICDT
2001
ACM
110views Database» more  ICDT 2001»
15 years 5 months ago
On Answering Queries in the Presence of Limited Access Patterns
In information-integration systems, source relations often have limitations on access patterns to their data; i.e., when one must provide values for certain attributes of a relatio...
Chen Li, Edward Y. Chang