A federated architecture for information management
ACM Transactions on Information Systems (TOIS)
Multidatabase Interoperability
Computer
A comparative analysis of methodologies for database schema integration
ACM Computing Surveys (CSUR)
Superviews: Virtual Integration of Multiple Databases
IEEE Transactions on Software Engineering
A Theory of Attributed Equivalence in Databases with Application to Schema Integration
IEEE Transactions on Software Engineering
Federated database systems for managing distributed, heterogeneous, and autonomous databases
ACM Computing Surveys (CSUR) - Special issue on heterogeneous databases
Interoperability of multiple autonomous databases
ACM Computing Surveys (CSUR) - Special issue on heterogeneous databases
Language features for interoperability of databases with schematic discrepancies
SIGMOD '91 Proceedings of the 1991 ACM SIGMOD international conference on Management of data
SIGMOD '91 Proceedings of the 1991 ACM SIGMOD international conference on Management of data
Structure and semantics in OODB class specifications
ACM SIGMOD Record
Context interchange: sharing the meaning of data
ACM SIGMOD Record
On resolving schematic heterogeneity in multidatabase systems
Distributed and Parallel Databases
Carnot and InfoSleuth: database technology and the World Wide Web
SIGMOD '95 Proceedings of the 1995 ACM SIGMOD international conference on Management of data
Query reformulation for dynamic information integration
Journal of Intelligent Information Systems - Special issue on intelligent integration of information
InfoSleuth: agent-based semantic integration of information in open and dynamic environments
SIGMOD '97 Proceedings of the 1997 ACM SIGMOD international conference on Management of data
The Context Interchange mediator prototype
SIGMOD '97 Proceedings of the 1997 ACM SIGMOD international conference on Management of data
Schema integration and query processing for multiple object databases
Integrated Computer-Aided Engineering - Special issue: multidatabase and interoperable systems
Programming with Curses
An Approach to Schema Integration and Query Formulation in Federated Database Systems
Proceedings of the Third International Conference on Data Engineering
ViewSystem: Integrating Heterogeneous Information Bases by Object-Oriented Views
Proceedings of the Sixth International Conference on Data Engineering
Object Integration in Logical Database Design
Proceedings of the First International Conference on Data Engineering
ICDE '95 Proceedings of the Eleventh International Conference on Data Engineering
Using Carnot for Enterprise Information Integration (Synopsis)
PDIS '93 Proceedings of the 2nd International Conference on Parallel and Distributed Information Systems
VLDB '84 Proceedings of the 10th International Conference on Very Large Data Bases
A Metadata Approach to Resolving Semantic Conflicts
VLDB '91 Proceedings of the 17th International Conference on Very Large Data Bases
Integration of Heterogeneous Object Schemas
ER '93 Proceedings of the 12th International Conference on the Entity-Relationship Approach: Entity-Relationship Approach
Extending a Multidatabase Manipulation Language to Resolve Schema and Data Conflicts
DS-6 Proceedings of the Sixth IFIP TC-2 Working Conference on Data Semantics: Database Applications Semantics
InfoSleuth: networked exploitation of information using semantic agents
COMPCON '95 Proceedings of the 40th IEEE Computer Society International Conference
COOPIS '96 Proceedings of the First IFCIS International Conference on Cooperative Information Systems
Dynamic Classificational Ontologies for Discovery in Cooperative Federated Databases
COOPIS '96 Proceedings of the First IFCIS International Conference on Cooperative Information Systems
Retrieval effectiveness of an ontology-based model for information selection
The VLDB Journal — The International Journal on Very Large Data Bases
Accommodating instance heterogeneities in database integration
Decision Support Systems
A Web Services-Based Universal Approach to Heterogeneous Fault Databases
Computing in Science and Engineering
Tuning schema matching software using synthetic scenarios
VLDB '05 Proceedings of the 31st international conference on Very large data bases
A Framework for Effective Annotation of Information from Closed Captions Using Ontologies
Journal of Intelligent Information Systems
eTuner: tuning schema matching software using synthetic scenarios
The VLDB Journal — The International Journal on Very Large Data Bases
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A key aspect of interoperation among data-intensive systems involves the mediation of metadata and ontologies across database boundaries. One way to achieve such mediation between a local database and a remote database is to fold remote metadata into the local metadata, thereby creating a common platform through which information sharing and exchange becomes possible. Schema implantation and semantic evolution, our approach to the metadata folding problem, is a partial database integration scheme in which remote and local (meta)data are integrated in a stepwise manner over time. We introduce metadata implantation and stepwise evolution techniques to interrelate database elements in different databases, and to resolve conflicts on the structure and semantics of database elements (classes, attributes, and individual instances). We employ a semantically rich canonical data model, and an incremental integration and semantic heterogeneity resolution scheme. In our approach, relationships between local and remote information units are determined whenever enough knowledge about their semantics is acquired. The metadata folding problem is solved by implanting remote database elements into the local database, a process that imports remote database elements into the local database environment, hypothesizes the relevance of local and remote classes, and customizes the organization of remote metadata. We have implemented a prototype system and demonstrated its use in an experimental neuroscience environment.