Conceptual Spaces: The Geometry of Thought
Conceptual Spaces: The Geometry of Thought
Multi-sensor context-awareness in mobile devices and smart artifacts
Mobile Networks and Applications
Sweetening Ontologies with DOLCE
EKAW '02 Proceedings of the 13th International Conference on Knowledge Engineering and Knowledge Management. Ontologies and the Semantic Web
Enabling Semantic Web Services: The Web Service Modeling Ontology
Enabling Semantic Web Services: The Web Service Modeling Ontology
Symbol Grounding for the Semantic Web
ESWC '07 Proceedings of the 4th European conference on The Semantic Web: Research and Applications
IRS-III: a broker for semantic web services based applications
ISWC'06 Proceedings of the 5th international conference on The Semantic Web
Web services research challenges, limitations and opportunities
WSEAS Transactions on Information Science and Applications
Web services: current solutions and open problems
AIC'08 Proceedings of the 8th conference on Applied informatics and communications
Service matchmaking revisited: An approach based on model checking
Web Semantics: Science, Services and Agents on the World Wide Web
A semantically enhanced service repository for user-centric service discovery and management
Data & Knowledge Engineering
Search Computing
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Context-awareness is highly desired across several application domains. Semantic Web Services (SWS) enable the automatic discovery of distributed Web services based on comprehensive semantic representations. However, although SWS technology supports the automatic allocation of resources for a given well-defined task, it does not entail the discovery of appropriate SWS representations for a given situational context. Whereas tasks are highly dependent on the situational context in which they occur, SWS technology does not explicitly encourage the representation of domain situations. Moreover, describing the complex notion of a specific situation in all its facets is a costly task and may never reach semantic completeness. Particularly, following the symbolic SWS approach leads to ambiguity issues and does not entail semantic meaningfulness. Apart from that, not any real-world situation completely equals another, but has to be matched to a finite set of semantically defined parameter descriptions to enable context-adaptability. To overcome these issues, we propose Conceptual Situation Spaces (CSS) which are aligned to established SWS standards. CSS enable the description of situation characteristics as members in geometrical vector spaces following the idea of Conceptual Spaces. Semantic similarity between situations is calculated in terms of their Euclidean distance within a CSS. Extending merely symbolic SWS descriptions with context information on a conceptual level through CSS enables similarity-based matchmaking between real-world situation characteristics and predefined resource representations as part of SWS descriptions. To prove the feasibility, we apply our approach to the domain of E-Learning and provide a proof-of-concept prototype.