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» Extended Query Answering Using Integrity Rules
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PODS
2005
ACM
104views Database» more  PODS 2005»
14 years 8 months ago
Determining source contribution in integration systems
Owners of sources registered in an information integration system, which provides answers to a (potentially evolving) set of client queries, need to know their contribution to the...
Alin Deutsch, Yannis Katsis, Yannis Papakonstantin...
ADVIS
2004
Springer
14 years 2 months ago
Incremental Association Rule Mining Using Materialized Data Mining Views
Data mining is an interactive and iterative process. Users issue series of similar queries until they receive satisfying results, yet currently available data mining systems do not...
Mikolaj Morzy, Tadeusz Morzy, Zbyszko Króli...
JAPLL
2010
179views more  JAPLL 2010»
13 years 7 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...
ASWC
2009
Springer
13 years 12 months ago
Social Semantic Rule Sharing and Querying in Wellness Communities
In this paper we describe the Web 3.0 case study WellnessRules, where ontology-structured rules (including facts) about wellness opportunities are created by participants in rule l...
Harold Boley, Taylor Michael Osmun, Benjamin Larry...
CIKM
2010
Springer
13 years 7 months ago
Query optimization for ontology-based information integration
In recent years, there has been an explosion of publicly available RDF and OWL data sources. In order to effectively and quickly answer queries in such an environment, we present...
Yingjie Li, Jeff Heflin