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» Optimizing Queries Across Diverse Data Sources
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VLDB
1997
ACM
117views Database» more  VLDB 1997»
14 years 3 months ago
Optimizing Queries Across Diverse Data Sources
Businesses today need to interrelate data stored in diverse systems with differing capabilities, ideally via a single high-level query interface. We present the design of a query ...
Laura M. Haas, Donald Kossmann, Edward L. Wimmers,...
VLDB
1999
ACM
124views Database» more  VLDB 1999»
14 years 3 months ago
Cost Models DO Matter: Providing Cost Information for Diverse Data Sources in a Federated System
An important issue for federated systems of diverse data sources is optimizing cross-source queries, without building knowledge of individual sources into the optimizer. This pape...
Mary Tork Roth, Fatma Ozcan, Laura M. Haas
DASFAA
2008
IEEE
151views Database» more  DASFAA 2008»
14 years 20 days ago
Efficient Top-k Search Across Heterogeneous XML Data Sources
An important issue arising from XML query relaxation is how to efficiently search the top-k best answers from a large number of XML data sources, while minimizing the searching cos...
Jianxin Li, Chengfei Liu, Jeffrey Xu Yu, Rui Zhou
ADBIS
2007
Springer
171views Database» more  ADBIS 2007»
14 years 5 months ago
Quete: Ontology-Based Query System for Distributed Sources
The exponential growth of the web and the extended use of database management systems in widely distributed information systems has brought to the fore the need for seamless interc...
Haridimos Kondylakis, Anastasia Analyti, Dimitris ...
ICDE
1995
IEEE
141views Database» more  ICDE 1995»
15 years 7 days ago
Object Exchange Across Heterogeneous Information Sources
We address the problem of providing integrated access to diverse and dynamic information sources. We explain how this problem di ers from the traditional database integration probl...
Yannis Papakonstantinou, Hector Garcia-Molina, Jen...