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JCIT
2010
131views more  JCIT 2010»
14 years 7 months ago
A Scalable and Efficient Query Answering for a Context and Schema Mediation
Benharzallah Saber, Kazar Okba
VLDB
2005
ACM
113views Database» more  VLDB 2005»
16 years 29 days ago
Mediators over taxonomy-based information sources
Abstract. We propose a mediator model for providing integrated and unified access to multiple taxonomy-based sources. Each source comprises a taxonomy and a database that indexes o...
Yannis Tzitzikas, Nicolas Spyratos, Panos Constant...
107
Voted
IS
2008
15 years 22 days ago
A framework for semantic grouping in P2P databases
Abstract. Sharing of structured data in decentralized environments is a challenging problem, especially in the absence of a global schema. Social network structures map network lin...
Verena Kantere, Dimitrios Tsoumakos, Timos K. Sell...
103
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PVLDB
2008
130views more  PVLDB 2008»
15 years 6 days ago
Analyzing and revising data integration schemas to improve their matchability
Data integration systems often provide a uniform query interface, called a mediated schema, to a multitude of data sources. To answer user queries, such systems employ a set of se...
Xiaoyong Chai, Mayssam Sayyadian, AnHai Doan, Arno...
VLDB
2001
ACM
157views Database» more  VLDB 2001»
16 years 29 days ago
MiniCon: A scalable algorithm for answering queries using views
The problem of answering queries using views is to find efficient methods of answering a query using a set of previously materialized views over the database, rather than accessing...
Rachel Pottinger, Alon Y. Halevy