WordNet: a lexical database for English
Communications of the ACM
Predicting how ontologies for the semantic web will evolve
Communications of the ACM - Ontology: different ways of representing the same concept
Learning to map between ontologies on the semantic web
Proceedings of the 11th international conference on World Wide Web
A conceptual architecture for semantic web enabled web services
ACM SIGMOD Record
A Practical Walkthrough of the Ontology Derivation Rules
DEXA '02 Proceedings of the 13th International Conference on Database and Expert Systems Applications
A Distributed Approach to Sub-Ontology Extraction
AINA '04 Proceedings of the 18th International Conference on Advanced Information Networking and Applications - Volume 2
A possible simplification of the semantic web architecture
Proceedings of the 13th international conference on World Wide Web
Semantic integration: a survey of ontology-based approaches
ACM SIGMOD Record
A Distributed Ontology Framework in the Semantic Grid Environment
AINA '05 Proceedings of the 19th International Conference on Advanced Information Networking and Applications - Volume 2
Web ontology segmentation: analysis, classification and use
Proceedings of the 15th international conference on World Wide Web
Web Semantics Ontology
Concurrency control issues in grid databases
Future Generation Computer Systems - Special section: Data mining in grid computing environments
Replica synchronisation in grid databases
International Journal of Web and Grid Services
Atomic commitment and resilience in grid database systems
International Journal of Grid and Utility Computing
Semantics and Knowledge Grids: Building the Next-Generation Grid
IEEE Intelligent Systems
High Performance Parallel Database Processing and Grid Databases
High Performance Parallel Database Processing and Grid Databases
Cloud Computing: Web-Based Applications That Change the Way You Work and Collaborate Online
Cloud Computing: Web-Based Applications That Change the Way You Work and Collaborate Online
Ontology tailoring in the Semantic Grid
Computer Standards & Interfaces
Cloud Computing, A Practical Approach
Cloud Computing, A Practical Approach
Databases and the grid: who challenges whom?
BNCOD'03 Proceedings of the 20th British national conference on Databases
Failure recovery in grid database systems
IWDC'04 Proceedings of the 6th international conference on Distributed Computing
A distributed ontology framework for the grid
PDCAT'04 Proceedings of the 5th international conference on Parallel and Distributed Computing: applications and Technologies
Ontology translation on the semantic web
Journal on Data Semantics II
Parallel skyline queries over uncertain data streams in cloud computing environments
International Journal of Web and Grid Services
Quorum-based synchronization protocols for multimedia replicas
Cluster Computing
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Cloud computing is a revolution in the information technology industry. It allows computing services provided as utilities. The traditional cloud services include Software as a Service, Platform as a Service, Hardware/Infrastructure as a Service, and Database as a Service. In this paper, we introduce the notion of Ontology as a Service (OaaS), whereby the ontology tailoring process is a service in the cloud. This is particularly relevant as we are moving toward Cloud 2.0--multi-cloud providers to provide an interoperable service to customers. To illustrate OaaS, in this paper we propose sub-ontology extraction and merging, whereby multiple sub-ontologies are extracted from various source ontologies, and then these extracted sub-ontologies are merged to form a complete ontology to be used by the user. We use the Minimum extraction method to facilitate this. A walkthrough case study using the UMLS meta-thesaurus ontology is elaborated, and its performance in the cloud is also discussed.