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» Answering Queries by Semantic Caches
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DASFAA
2009
IEEE
173views Database» more  DASFAA 2009»
15 years 1 months ago
A Uniform Framework for Ad-Hoc Indexes to Answer Reachability Queries on Large Graphs
Graph-structured databases and related problems such as reachability query processing have been increasingly relevant to many applications such as XML databases, biological databas...
Linhong Zhu, Byron Choi, Bingsheng He, Jeffrey Xu ...
APWEB
2004
Springer
15 years 3 months ago
Template-Based Runtime Invalidation for Database-Generated Web Contents
We propose a template-based runtime invalidation approach for maintaining cache consistency in database-generated web contents. In our approach, the invalidator sits between a web...
Chun Yi Choi, Qiong Luo
GIS
2008
ACM
15 years 11 months ago
An inconsistency tolerant approach to querying spatial databases
In order to deal with inconsistent databases, a repair semantics defines a set of admissible database instances that restore consistency, while staying close to the original insta...
Leopoldo E. Bertossi, Mónica Caniupá...
SCCC
2005
IEEE
15 years 3 months ago
Optimizing repair programs for consistent query answering
Databases may not satisfy integrity constraints (ICs) for several reasons. Nevertheless, in most of the cases an important part of the data is still consistent wrt certain desired...
Mónica Caniupán Marileo, Leopoldo E....
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...