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» Answering Multiple-Item Queries in Data Broadcast Systems
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CIKM
2010
Springer
14 years 10 months ago
Skyline query processing for uncertain data
Recently, several research efforts have addressed answering skyline queries efficiently over large datasets. However, this research lacks methods to compute these queries over un...
Mohamed E. Khalefa, Mohamed F. Mokbel, Justin J. L...
RP
2010
Springer
163views Control Systems» more  RP 2010»
14 years 9 months ago
Efficient Graph Reachability Query Answering Using Tree Decomposition
Efficient reachability query answering in large directed graphs has been intensively investigated because of its fundamental importance in many application fields such as XML data ...
Fang Wei
PODS
2005
ACM
147views Database» more  PODS 2005»
15 years 11 months ago
Peer data exchange
Abstract. We present a semantics and answer set programs for relational peer data exchange systems. When a peer answers a query, it exchanges data with other peers in order to supp...
Ariel Fuxman, Phokion G. Kolaitis, Renée J....
109
Voted
ESWS
2009
Springer
15 years 6 months ago
Ranking Approximate Answers to Semantic Web Queries
We consider the problem of a user querying semistructured data such as RDF without knowing its structure. In these circumstances, it is helpful if the querying system can perform a...
Carlos A. Hurtado, Alexandra Poulovassilis, Peter ...
SEBD
2008
206views Database» more  SEBD 2008»
15 years 1 months ago
Efficient and Effective Query Answering in a PDMS with SUNRISE
Abstract. Peer Data Management Systems (PDMSs) have been recently proposed as an evolution of Peer-To-Peer (P2P) systems toward a more semantics-based description of peers' co...
Federica Mandreoli, Riccardo Martoglia, Wilma Penz...