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JIDM
2010
160views more  JIDM 2010»
14 years 8 months ago
Evaluation of Conditional Preference Queries
The need for incorporating preference querying in database technology is a very important issue in a variety of applications ranging from e-commerce to personalized search engines....
Fabiola S. F. Pereira, Sandra de Amo
PPDP
2010
Springer
14 years 7 months ago
Precise complexity analysis for efficient datalog queries
Given a set of Datalog rules, facts, and a query, answers to the query can be inferred bottom-up starting with the facts or top-down starting with the query. For efficiently answe...
K. Tuncay Tekle, Yanhong A. Liu
PVLDB
2010
151views more  PVLDB 2010»
14 years 7 months ago
Advanced Processing for Ontological Queries
Ontology-based data access is a powerful form of extending database technology, where a classical extensional database (EDB) is enhanced by an ontology that generates new intensio...
Andrea Calì, Georg Gottlob, Andreas Pieris
ESWS
2010
Springer
14 years 11 months ago
Dealing with Inconsistency When Combining Ontologies and Rules Using DL-Programs
Abstract. Description Logic Programs (DL-programs) have been introduced to combine ontological and rule-based reasoning in the context of the Semantic Web. A DL-program loosely com...
Jörg Pührer, Stijn Heymans, Thomas Eiter
ADVIS
2004
Springer
15 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...