Federated database systems for managing distributed, heterogeneous, and autonomous databases
ACM Computing Surveys (CSUR) - Special issue on heterogeneous databases
ACM SIGMOD Record - Directions for future database research & development
Modeling Web sources for information integration
AAAI '98/IAAI '98 Proceedings of the fifteenth national/tenth conference on Artificial intelligence/Innovative applications of artificial intelligence
A graph-oriented object database model
PODS '90 Proceedings of the ninth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
Theoretical Aspects of Schema Merging
EDBT '92 Proceedings of the 3rd International Conference on Extending Database Technology: Advances in Database Technology
Object Exchange Across Heterogeneous Information Sources
ICDE '95 Proceedings of the Eleventh International Conference on Data Engineering
A Metadata Approach to Resolving Semantic Conflicts
VLDB '91 Proceedings of the 17th International Conference on Very Large Data Bases
The Index-Based XXL Search Engine for Querying XML Data with Relevance Ranking
EDBT '02 Proceedings of the 8th International Conference on Extending Database Technology: Advances in Database Technology
MAFRA - A MApping FRAmework for Distributed Ontologies
EKAW '02 Proceedings of the 13th International Conference on Knowledge Engineering and Knowledge Management. Ontologies and the Semantic Web
A Class-Based Logic Language for Ontologies
FQAS '02 Proceedings of the 5th International Conference on Flexible Query Answering Systems
Knowledge Is Power: The Semantic Web Vision
WI '01 Proceedings of the First Asia-Pacific Conference on Web Intelligence: Research and Development
Enriching Information Agents' Knowledge by Ontology Comparison: A Case Study
IBERAMIA 2002 Proceedings of the 8th Ibero-American Conference on AI: Advances in Artificial Intelligence
An Architecture for Retrieval of RDF-Described Scientific Data Semantics
EDBT '02 Proceedings of the Worshops XMLDM, MDDE, and YRWS on XML-Based Data Management and Multimedia Engineering-Revised Papers
Precision in Processing Data from Heterogeneous Resources (Invited Paper)
BNCOD 17 Proceedings of the 17th British National Conferenc on Databases: Advances in Databases
An Information Food Chain for Advanced Applications on the WWW
ECDL '00 Proceedings of the 4th European Conference on Research and Advanced Technology for Digital Libraries
The Web in 2010: Challenges and Opportunities for Database Research
Informatics - 10 Years Back. 10 Years Ahead.
Registering Scientific Information Sources for Semantic Mediation
ER '02 Proceedings of the 21st International Conference on Conceptual Modeling
Truth in the Digital Library: From Ontological to Hermeneutical Systems
ECDL '01 Proceedings of the 5th European Conference on Research and Advanced Technology for Digital Libraries
IEEE Intelligent Systems
FICSR: feedback-based inconsistency resolution and query processing on misaligned data sources
Proceedings of the 2007 ACM SIGMOD international conference on Management of data
Visualizing Situational Data: Applying Information Fusion for Detecting Social-Ecological Events
Social Science Computer Review
On-the-fly ontology matching in smart spaces: a multi-model approach
ruSMART/NEW2AN'10 Proceedings of the Third conference on Smart Spaces and next generation wired, and 10th international conference on Wireless networking
Ontology agent for ensuring semantic interoperability among agents and semantic web
International Journal of Knowledge Engineering and Data Mining
Contextual factors in database integration: a Delphi study
ER'10 Proceedings of the 29th international conference on Conceptual modeling
GeoS'11 Proceedings of the 4th international conference on GeoSpatial semantics
Bootstrapping ontology alignment methods with APFEL
ISWC'05 Proceedings of the 4th international conference on The Semantic Web
Sensor data driven proactive management of infrastructure systems
EG-ICE'06 Proceedings of the 13th international conference on Intelligent Computing in Engineering and Architecture
Visual ontology alignment for semantic web applications
CoMoGIS'06 Proceedings of the 2006 international conference on Advances in Conceptual Modeling: theory and practice
Probabilistic ontologies and relational databases
OTM'05 Proceedings of the 2005 Confederated international conference on On the Move to Meaningful Internet Systems - Volume >Part I
Ontology mapping by axioms (OMA)
WM'05 Proceedings of the Third Biennial conference on Professional Knowledge Management
Approximate common structures in XML schema matching
WAIM'05 Proceedings of the 6th international conference on Advances in Web-Age Information Management
Bi-directional ontology versioning BOV
WAIM'05 Proceedings of the 6th international conference on Advances in Web-Age Information Management
Automatic annotation of web services based on workflow definitions
ISWC'06 Proceedings of the 5th international conference on The Semantic Web
MurO: a multi-representation ontology as a foundation of enterprise information systems
CIT'04 Proceedings of the 7th international conference on Intelligent Information Technology
Hierarchical knowledge integration using layered conceptual graphs
ICCS'05 Proceedings of the 13th international conference on Conceptual Structures: common Semantics for Sharing Knowledge
Ontology translation on the semantic web
Journal on Data Semantics II
Aligning ontologies, evaluating concept similarities and visualizing results
Journal on Data Semantics V
Configuration of dynamic SME supply chains based on ontologies
HoloMAS'05 Proceedings of the Second international conference on Holonic and Multi-Agent Systems for Manufacturing
Model-Driven tool interoperability: an application in bug tracking
ODBASE'06/OTM'06 Proceedings of the 2006 Confederated international conference on On the Move to Meaningful Internet Systems: CoopIS, DOA, GADA, and ODBASE - Volume Part I
DILS'05 Proceedings of the Second international conference on Data Integration in the Life Sciences
A test platform for the INEX heterogeneous track
INEX'04 Proceedings of the Third international conference on Initiative for the Evaluation of XML Retrieval
DALT'06 Proceedings of the 4th international conference on Declarative Agent Languages and Technologies
Computer Methods and Programs in Biomedicine
Dynamic ontology mapping for interacting autonomous systems
IWSOS'07 Proceedings of the Second international conference on Self-Organizing Systems
Ontology Alignment Quality: A Framework and Tool for Validation
International Journal of Information System Modeling and Design
Merging ontology by semantic enrichment and combining similarity measures
International Journal of Metadata, Semantics and Ontologies
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Ontologies explicate the contents, essential properties, and relationships between terms in a knowledge base. Many sources are now accessible with associated ontologies. Most prior work on the use of ontologies relies on the construction of a single global ontology covering all sources. Such an approach is not scalable and maintainable especially when the sources change frequently. We propose a scalable and easily maintainable approach based on the interoperation of ontologies. To handle user queries crossing the boundaries of the underlying information systems, the interoperation between the ontologies should be precisely defined. Our approach is to use rules that cross the semantic gap by creating an articulation or linkage between the systems. The rules are generated using a semi-automatic articulation tool with the help of a domain expert. To make the ontologies amenable for automatic composition, based on the accumulated knowledge rules, we represent them using a graph-oriented model extended with a small algebraic operator set. ONION, a user-friendly toolkit, aids the experts in bridging the semantic gap in real-life settings. Our framework provides a sound foundation to simplify the work of domain experts, enables integration with public semantic dictionaries, like Wordnet, and will derive ODMG-compliant mediators automatically.