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» Matching and integration across heterogeneous data sources
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SIGMOD
2011
ACM
198views Database» more  SIGMOD 2011»
14 years 9 months ago
U-MAP: a system for usage-based schema matching and mapping
This demo shows how usage information buried in query logs can play a central role in data integration and data exchange. More specifically, our system U-Map uses query logs to g...
Hazem Elmeleegy, Jaewoo Lee, El Kindi Rezig, Moura...
AO
2005
75views more  AO 2005»
15 years 6 months ago
A multi-layered ontology for comparing relationship semantics in conceptual models of databases
Relationships are an integral part of the design of a database. Comparing and integrating relationships from heterogeneous databases requires that the relationships be mapped to ea...
Sandeep Purao, Veda C. Storey
CIKM
1999
Springer
15 years 10 months ago
Semantic Caching via Query Matching for Web Sources
A semantic caching scheme suitable for wrappers wrapping web sources is presented. Since the web sources have typically weaker querying capabilities than conventional databases, e...
Dongwon Lee, Wesley W. Chu
COMPUTER
2002
196views more  COMPUTER 2002»
15 years 6 months ago
Grid Services for Distributed System Integration
ions and concepts that let applications access and share resources and services across distributed, wide area networks, while providing common security semantics, distributed resou...
Ian T. Foster, Carl Kesselman, Jeffrey M. Nick, St...
WISE
2005
Springer
15 years 11 months ago
Identifying Value Mappings for Data Integration: An Unsupervised Approach
The Web is a distributed network of information sources where the individual sources are autonomously created and maintained. Consequently, syntactic and semantic heterogeneity of ...
Jaewoo Kang, Dongwon Lee, Prasenjit Mitra