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» Conjunctive Query Answering in SH using Knots
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TREC
2007
14 years 10 months ago
DUTIR at TREC 2007 Genomics Track
This paper describes our experiments on TREC 2007 Genomics Track which is concerned with question answering extraction from full-text biomedical literatures. In our experiment, na...
Zhihao Yang, Hongfei Lin, Baojin Cui, Yanpeng Li, ...
VLDB
2001
ACM
157views Database» more  VLDB 2001»
15 years 9 months ago
MiniCon: A scalable algorithm for answering queries using views
The problem of answering queries using views is to find efficient methods of answering a query using a set of previously materialized views over the database, rather than accessing...
Rachel Pottinger, Alon Y. Halevy
92
Voted
SEBD
2007
121views Database» more  SEBD 2007»
14 years 11 months ago
Query Answering in Expressive Variants of DL-Lite
The use of ontologies in various application domains, such as Data Integration, the Semantic Web, or ontology-based data management, where ontologies provide the access to large am...
Alessandro Artale, Diego Calvanese, Roman Kontchak...
JAPLL
2010
179views more  JAPLL 2010»
14 years 8 months ago
Tractable query answering and rewriting under description logic constraints
Answering queries over an incomplete database w.r.t. a set of constraints is an important computational task with applications in fields as diverse as information integration and ...
Héctor Pérez-Urbina, Boris Motik, Ia...
PODS
2006
ACM
121views Database» more  PODS 2006»
15 years 9 months ago
On the efficiency of checking perfect privacy
Privacy-preserving query-answering systems answer queries while provably guaranteeing that sensitive information is kept secret. One very attractive notion of privacy is perfect p...
Ashwin Machanavajjhala, Johannes Gehrke