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EDBT
2010
ACM
177views Database» more  EDBT 2010»
15 years 5 months ago
Bridging the gap between intensional and extensional query evaluation in probabilistic databases
There are two broad approaches to query evaluation over probabilistic databases: (1) Intensional Methods proceed by manipulating expressions over symbolic events associated with u...
Abhay Jha, Dan Olteanu, Dan Suciu
SIGMOD
2004
ACM
119views Database» more  SIGMOD 2004»
15 years 11 months ago
Lazy Query Evaluation for Active XML
In this paper, we study query evaluation on Active XML documents (AXML for short), a new generation of XML documents that has recently gained popularity. AXML documents are XML do...
Serge Abiteboul, Omar Benjelloun, Bogdan Cautis, I...
ICDCS
2009
IEEE
15 years 8 months ago
Transactional Mobility in Distributed Content-Based Publish/Subscribe Systems
This paper formalizes transactional properties for publish/subscribe client mobility and develops protocols to realize them. Evaluations show that compared to traditional protocol...
Songlin Hu, Vinod Muthusamy, Guoli Li, Hans-Arno J...
SIGMOD
2007
ACM
146views Database» more  SIGMOD 2007»
15 years 11 months ago
Distributed query evaluation with performance guarantees
Partial evaluation has recently proven an effective technique for evaluating Boolean XPath queries over a fragmented tree that is distributed over a number of sites. What left ope...
Gao Cong, Wenfei Fan, Anastasios Kementsietsidis
DAGSTUHL
2004
15 years 4 days ago
Refinement and Consistency in Multiview Models
Abstract. Model transformations are an integral part of OMG's standard for Model Driven Architecture (MDA). Model transformations should at the best allow for a seamless trans...
Heike Wehrheim