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» Answering Imprecise Queries over Web Databases
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SIGMOD
2007
ACM
156views Database» more  SIGMOD 2007»
14 years 7 months ago
Mashup Feeds: : continuous queries over web services
Mashup Feeds is a system that supports integrated web service feeds as continuous queries. We introduce collectionbased stream processing semantics to enable information extractio...
Arsany Sawires, Divyakant Agrawal, Jun'ichi Tatemu...
ICDT
2010
ACM
195views Database» more  ICDT 2010»
13 years 11 months ago
Answering Non-Monotonic Queries in Relational Data Exchange
Relational data exchange deals with translating a relational database instance over some source schema into a relational database instance over some target schema, according to a ...
André Hernich
ICDE
2009
IEEE
214views Database» more  ICDE 2009»
14 years 9 months ago
Ranking with Uncertain Scores
Large databases with uncertain information are becoming more common in many applications including data integration, location tracking, and Web search. In these applications, ranki...
Mohamed A. Soliman, Ihab F. Ilyas
CORR
2007
Springer
77views Education» more  CORR 2007»
13 years 7 months ago
Query Evaluation and Optimization in the Semantic Web
We address the problem of answering Web ontology queries efficiently. An ontology is formalized as a Deductive Ontology Base (DOB), a deductive database that comprises the ontology...
Edna Ruckhaus, Eduardo Ruiz, Maria-Esther Vidal
SIGMOD
2010
ACM
281views Database» more  SIGMOD 2010»
14 years 14 days ago
Continuous sampling for online aggregation over multiple queries
In this paper, we propose an online aggregation system called COSMOS (Continuous Sampling for Multiple queries in an Online aggregation System), to process multiple aggregate quer...
Sai Wu, Beng Chin Ooi, Kian-Lee Tan