A comparative analysis of methodologies for database schema integration
ACM Computing Surveys (CSUR)
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Knowledge Acquisition - Special issue: Current issues in knowledge modeling
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IEEE Intelligent Systems
Structuring Primitives for a Dictionary of Entity Relationship Data Schemas
IEEE Transactions on Software Engineering
A Toolkit for Reuse in Conceptual Modelling
CAiSE '97 Proceedings of the 9th International Conference on Advanced Information Systems Engineering
Conceptual Patterns for Reuse in Information Systems Analysis
CAiSE '00 Proceedings of the 12th International Conference on Advanced Information Systems Engineering
A survey of approaches to automatic schema matching
The VLDB Journal — The International Journal on Very Large Data Bases
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ICDE '05 Proceedings of the 21st International Conference on Data Engineering
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International Journal of Information Technology and Management
Corpus-based knowledge representation
IJCAI'03 Proceedings of the 18th international joint conference on Artificial intelligence
A repository of services for the government to businesses relationship
NGITS'06 Proceedings of the 6th international conference on Next Generation Information Technologies and Systems
Abstract ERIA: a web language for conceptual metadata integration and abstraction in the large
Proceedings of the International Conference on Management of Emergent Digital EcoSystems
Design, redesign and publication of linked schema repositories in the large
Proceedings of the International Conference on Management of Emergent Digital EcoSystems
MEDI'12 Proceedings of the 2nd international conference on Model and Data Engineering
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In this paper we describe the main results of a fifteen years research activity in the area of repositories of Entity-Relationship conceptual schemas. We first introduce a set of integration/abstraction primitives that are used in order to organize a large set of conceptual schemas in a repository. We describe the methodology conceived to produce the repository of schemas of central public administrations in Italy. Then we describe an heuristic methodology, applied in the production of the set of schemas of the public administrations of an italian region. We also compare the former exact methodology and the heuristic one according to their correctness, completeness, and efficiency. Finally, we show how such repositories can be used in eGovernment initiatives for planning activities and in the identification of projects. Further work highlights possible evolutions of the repositories toward enhanced semantic representations and usage.