Capability based mediation in TSIMMIS
SIGMOD '98 Proceedings of the 1998 ACM SIGMOD international conference on Management of data
Computing capabilities of mediators
SIGMOD '99 Proceedings of the 1999 ACM SIGMOD international conference on Management of data
Resolving semantic heterogeneity in schema integration
Proceedings of the international conference on Formal Ontology in Information Systems - Volume 2001
Design Overview of the NAIL! System
Proceedings of the Third International Conference on Logic Programming
Optimizing Queries Across Diverse Data Sources
VLDB '97 Proceedings of the 23rd International Conference on Very Large Data Bases
Global Schema Generation Using Formal Ontologies
ER '02 Proceedings of the 21st International Conference on Conceptual Modeling
Web data retrieval and extraction
Data & Knowledge Engineering - Special issue: Data integration over the Web
Optimized Seamless Integration of Biomolecular Data
BIBE '01 Proceedings of the 2nd IEEE International Symposium on Bioinformatics and Bioengineering
APWeb'08 Proceedings of the 10th Asia-Pacific web conference on Progress in WWW research and development
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In heterogeneous data integration systems, there can be a wide variety of different data sources, which support query interfaces with very varied capabilities. Constrained by the expressiveness of the access interfaces, data integration systems from multiple sources have to cope with different and limited capabilities of the sources. At the same time, several contemporary integration systems export their mediator capabilities in the same way as those of data sources, thus making it hard for them to be integrated by other mediators. In this paper, we propose a capability object conceptual model to capture a rich variety of query-processing capabilities of sources' and outline an algebra to compute the set of mediator-supported queries based on the capability limitations of the sources they integrate. Our work highlights the capability computing approach that enables interoperation among various sources by computing the capability objects associated with them towards scalable application integration. Not only is the process of interoperation semi-automatic and timesaving, but also, often, the end-users have idea of the capabilities of mediator and get a better insight on which queries to submit to the mediator. Finally, we show the properties of the algebraic operators. Query optimization is enabled based on the properties of the algebraic operators.