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» Extended Query Answering Using Integrity Rules
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OTM
2005
Springer
14 years 2 months ago
Don't Mind Your Vocabulary: Data Sharing Across Heterogeneous Peers
The strong dynamics of peer-to-peer networks, coupled with the diversity of peer vocabularies, makes query processing in peer database systems a very challenging task. In this pape...
Mehedi Masud, Iluju Kiringa, Anastasios Kementsiet...
DPD
1998
117views more  DPD 1998»
13 years 8 months ago
Solving Local Cost Estimation Problem for Global Query Optimization in Multidatabase Systems
To meet users’ growing needs for accessing pre-existing heterogeneous databases, a multidatabase system (MDBS) integrating multiple databases has attracted many researchers recen...
Qiang Zhu, Per-Åke Larson
SSDBM
2008
IEEE
90views Database» more  SSDBM 2008»
14 years 3 months ago
Ontology Database: A New Method for Semantic Modeling and an Application to Brainwave Data
We propose an automatic method for modeling a relational database that uses SQL triggers and foreign-keys to efficiently answer positive semantic queries about ground instances for...
Paea LePendu, Dejing Dou, Gwen A. Frishkoff, Jiawe...
ATAL
2007
Springer
14 years 24 days ago
Negotiation by abduction and relaxation
This paper studies a logical framework for automated negotiation between two agents. We suppose an agent who has a knowledge base represented by a logic program. Then, we introduc...
Chiaki Sakama, Katsumi Inoue
UAI
2000
13 years 10 months ago
Probabilistic State-Dependent Grammars for Plan Recognition
Techniques for plan recognition under uncertainty require a stochastic model of the plangeneration process. We introduce probabilistic state-dependent grammars (PSDGs) to represen...
David V. Pynadath, Michael P. Wellman