WordNet: a lexical database for English
Communications of the ACM
Information Retrieval
Heterogeneous database integration in biomedicine
Computers and Biomedical Research
Measuring Similarity between Ontologies
EKAW '02 Proceedings of the 13th International Conference on Knowledge Engineering and Knowledge Management. Ontologies and the Semantic Web
A survey of approaches to automatic schema matching
The VLDB Journal — The International Journal on Very Large Data Bases
The description logic handbook: theory, implementation, and applications
The description logic handbook: theory, implementation, and applications
K2/Kleisli and GUS: experiments in integrated access to genomic data sources
IBM Systems Journal - Deep computing for the life sciences
Integration of biological sources: current systems and challenges ahead
ACM SIGMOD Record
Combining schema and instance information for integrating heterogeneous data sources
Data & Knowledge Engineering
Part-whole representation and reasoning in formal biomedical ontologies
Artificial Intelligence in Medicine
A survey of schema-based matching approaches
Journal on Data Semantics IV
A user-centric framework for accessing biological sources and tools
DILS'05 Proceedings of the Second international conference on Data Integration in the Life Sciences
An ontological modeling approach to cerebrovascular disease studies: The NEUROWEB case
Journal of Biomedical Informatics
Hi-index | 0.00 |
The information needed by biologists and physicians for research purposes is distributed over many heterogeneous sources. Integration systems provide a single, centralized and homogeneous interface for users to query multiple information sources simultaneously. The major limitation of integration systems, including mediator-based systems, is that the tasks involved in their creation and maintenance remain mainly manual. To address this limitation, we developed automated methods for facilitating the creation of a mediator-based system. We first implemented an automatic method for acquiring the local schemas of the sources to be integrated. We derived the global schema from the UMLS. Finally, we proposed schema-and instance-based approaches to mapping data elements from the local schemas to the global schema. To illustrate the applicability of our methods, we created a mediator-based system integrating eleven biomedical sources. This prototype is operational, available on the Internet (http://www.med.univ-rennes1.fr/cgi-bin/mougin/These/system.pl) and its evolution is managed semi-automatically.