From data mining to knowledge discovery: an overview
Advances in knowledge discovery and data mining
The context fabric: an infrastructure for context-aware computing
CHI '02 Extended Abstracts on Human Factors in Computing Systems
Connecting the Physical World with Pervasive Networks
IEEE Pervasive Computing
A knowledge plane for the internet
Proceedings of the 2003 conference on Applications, technologies, architectures, and protocols for computer communications
Region streams: functional macroprogramming for sensor networks
DMSN '04 Proceeedings of the 1st international workshop on Data management for sensor networks: in conjunction with VLDB 2004
Human dynamics: computation for organizations
Pattern Recognition Letters - Special issue: Advances in pattern recognition
An Introduction to RFID Technology
IEEE Pervasive Computing
PERCOM '06 Proceedings of the Fourth Annual IEEE International Conference on Pervasive Computing and Communications
EgoSpaces: Facilitating Rapid Development of Context-Aware Mobile Applications
IEEE Transactions on Software Engineering
Self-Organizing Spatial Regions for Sensor Network Infrastructures
AINAW '07 Proceedings of the 21st International Conference on Advanced Information Networking and Applications Workshops - Volume 02
A Simple Model and Infrastructure for Context-Aware Browsing of the World
PERCOM '07 Proceedings of the Fifth IEEE International Conference on Pervasive Computing and Communications
Supporting location-aware services for mobile users with the whereabouts diary
Proceedings of the 1st international conference on MOBILe Wireless MiddleWARE, Operating Systems, and Applications
Location-Based Services: Back to the Future
IEEE Pervasive Computing
Advances in Tangible Interaction and Ubiquitous Virtual Reality
IEEE Pervasive Computing
The Rise of People-Centric Sensing
IEEE Internet Computing
ACM Computing Surveys (CSUR)
Web services provision: solutions, challenges and opportunities (invited paper)
Proceedings of the 3rd International Conference on Ubiquitous Information Management and Communication
A platform for pervasive combinatorial trading with opportunistic self-aggregation
WOWMOM '08 Proceedings of the 2008 International Symposium on a World of Wireless, Mobile and Multimedia Networks
Logical neighborhoods: a programming abstraction for wireless sensor networks
DCOSS'06 Proceedings of the Second IEEE international conference on Distributed Computing in Sensor Systems
A roadmap towards sustainable self-aware service systems
Proceedings of the 2010 ICSE Workshop on Software Engineering for Adaptive and Self-Managing Systems
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Technologies to pervasively acquire information about the physical and social worlds -- as needed by services to achieve context-awareness -- are becoming increasingly available. This calls for specific approaches to automatically organize and aggregate such data before delivering it to services. Contextual data items should form a sort of self-organized ecology within which they autonomously link and combine with each other into sorts of "knowledge networks". This can produce compact and easy-to-be-managed higher-level knowledge about situations occurring in the environment, and eventually can make services able to easily acquire "situation-awareness". In this paper, after having framed the key concepts and motivations underlying "situation-awareness" and our "knowledge networks" approach, we present the design and implementation of a "knowledge networks" prototype, intended as a tool to support self-organization and self-aggregation of contextual data item and to facilitate their exploitation by pervasive services. A representative case study in the area of adaptive pervasive advertisement is introduced to clarify the concepts expressed, to exemplify the actual functioning of the toolkit and of some specific algorithms integrated within it.