ConChat: A Context-Aware Chat Program
IEEE Pervasive Computing
Aura: an Architectural Framework for User Mobility in Ubiquitous Computing Environments
WICSA 3 Proceedings of the IFIP 17th World Computer Congress - TC2 Stream / 3rd IEEE/IFIP Conference on Software Architecture: System Design, Development and Maintenance
Bringing Together Semantic Web and Web Services
ISWC '02 Proceedings of the First International Semantic Web Conference on The Semantic Web
Semantic Matching of Web Services Capabilities
ISWC '02 Proceedings of the First International Semantic Web Conference on The Semantic Web
Experiences in Using CC/PP in Context-Aware Systems
MDM '03 Proceedings of the 4th International Conference on Mobile Data Management
A Web services composition approach based on software agents and context
Proceedings of the 2004 ACM symposium on Applied computing
Ontology Based Context Modeling and Reasoning using OWL
PERCOMW '04 Proceedings of the Second IEEE Annual Conference on Pervasive Computing and Communications Workshops
Ad-hoc Invocation of Semantic Web Services
ICWS '04 Proceedings of the IEEE International Conference on Web Services
WI '04 Proceedings of the 2004 IEEE/WIC/ACM International Conference on Web Intelligence
YAWL: yet another workflow language
Information Systems
Context-Aware Computing Applications
WMCSA '94 Proceedings of the 1994 First Workshop on Mobile Computing Systems and Applications
Human-Computer Interaction
Context modelling and management in ambient-aware pervasive environments
LoCA'05 Proceedings of the First international conference on Location- and Context-Awareness
Composition-Oriented service discovery
SC'05 Proceedings of the 4th international conference on Software Composition
Ad hoc composition of user tasks in pervasive computing environments
SC'05 Proceedings of the 4th international conference on Software Composition
Towards ad hoc contextual services for pervasive computing
Proceedings of the 1st workshop on Middleware for Service Oriented Computing (MW4SOC 2006)
A survey of dynamic service composition approaches for ambient systems
Proceedings of the 2008 Ambi-Sys workshop on Software Organisation and MonIToring of Ambient Systems
Towards policy driven context aware differentiated services design and development
Enterprise Information Systems - Challenges and Solutions in Enterprise Computing - 11th International IEEE EDOC Conference (EDOC 2007)
Semantics-based context-aware dynamic service composition
ACM Transactions on Autonomous and Adaptive Systems (TAAS)
Model-driven dynamic generation of context-adaptive web user interfaces
MoDELS'06 Proceedings of the 2006 international conference on Models in software engineering
A complementary ubiquitous service bundling method using service complementarity index
Expert Systems with Applications: An International Journal
Modeling context-aware and socially-enriched mashups
Proceedings of the 3rd and 4th International Workshop on Web APIs and Services Mashups
Security-aware web service composition approaches: state-of-the-art
Proceedings of the 13th International Conference on Information Integration and Web-based Applications and Services
Exception handling in pervasive service composition using normative agents
Journal of Web Engineering
Use cases for context aware model-checking
MODELS'11 Proceedings of the 2011th international conference on Models in Software Engineering
Identifying a generic model of context for context-aware multi-services
UIC'07 Proceedings of the 4th international conference on Ubiquitous Intelligence and Computing
Context Inference Engine (CiE): Inferring Context
International Journal of Advanced Pervasive and Ubiquitous Computing
Middleware for pervasive computing: A survey
Pervasive and Mobile Computing
Multiagent and Grid Systems - Agent Based Computing: From Model to Implementation
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A major challenge in pervasive computing environments is to provide users with complex, context-sensitive applications, dynamically composed from networked services. In this paper, we present an approach to the dynamic, context-aware composition of services to perform user tasks, i.e., software applications abstractly described on the user's handheld device. Both networked services and user tasks are modeled as semantic Web services in OWL-S extended with context information. The distinctive feature of our solution is the ability to compose Web services that expose complex behaviors (conversations) to realize a user task that itself has a complex behavior. Furthermore, the context-related requirements of the task are met by aggregating the context-sensitive behaviors of the individual services.