The HiPAC project: combining active databases and timing constraints
ACM SIGMOD Record - Special Issue on Real-Time Database Systems
ACM Computing Surveys (CSUR)
Next century challenges: mobile networking for “Smart Dust”
MobiCom '99 Proceedings of the 5th annual ACM/IEEE international conference on Mobile computing and networking
AAAI '99/IAAI '99 Proceedings of the sixteenth national conference on Artificial intelligence and the eleventh Innovative applications of artificial intelligence conference innovative applications of artificial intelligence
An active functionality service for e-business applications
ACM SIGMOD Record
Conflict Resolution Using Logic Programming
IEEE Transactions on Knowledge and Data Engineering
EXACT: an extensible approach to active object-oriented databases
The VLDB Journal — The International Journal on Very Large Data Bases
Guest Editorial: Policy-Based Management of Networks and Services
Journal of Network and Systems Management
Physical Prototyping with Smart-Its
IEEE Pervasive Computing
Using ECA Rules to Implement Mobile Query Agents for Fast-Evolving Pure P2P Networks
AAMAS '04 Proceedings of the Third International Joint Conference on Autonomous Agents and Multiagent Systems - Volume 3
Location-Mediated Web Services Coordination in Ubiquitous Computing
SCC '04 Proceedings of the 2004 IEEE International Conference on Services Computing
Supporting service discovery, querying and interaction in ubiquitous computing environments
Wireless Networks - Special issue: Pervasive computing and communications
IEEE Internet Computing
Building reactive web applications
WWW '05 Special interest tracks and posters of the 14th international conference on World Wide Web
An ECA-P Policy-based Framework for Managing Ubiquitous Computing Environments
MOBIQUITOUS '05 Proceedings of the The Second Annual International Conference on Mobile and Ubiquitous Systems: Networking and Services
SAINT-W '06 Proceedings of the International Symposium on Applications on Internet Workshops
Development of a WS-ECA Rule Management System for a Healthcare Robot
APCHI '08 Proceedings of the 8th Asia-Pacific conference on Computer-Human Interaction
Event-driven service coordination for business process integration in ubiquitous enterprises
Computers and Industrial Engineering
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Emerging ubiquitous computing network is expected to consist of a variety of heterogeneous and distributed devices. While web services technology is increasingly being considered as a promising solution to support the inter-operability between such heterogeneous devices via well-defined protocol, currently there is no effective framework reported in the literature that can address the problem of coordinating the web services-enabled devices. This paper considers a ubiquitous computing environment that is comprised of active, autonomous devices interacting with each other through web services, and presents an ECA (Event-Condition-Action)-based framework for effective coordination of those devices. Specifically, we first present an XML-based language for describing ECA rules that are embedded in web service-enabled devices. An ECA rule, when triggered by an internal or external event to the device, can result in the invocation of appropriate web services in the system. Subsequently, we consider the situation in which the rules are introduced and managed by multiple, independent users, and propose effective mechanisms that can detect and resolve potential inconsistencies among the rules. The presented ECA-based coordination approach is expected to facilitate seamless inter-operation among the web service-enabled devices in the emerging ubiquitous computing environments.