Introduction to algorithms
Wireless sensor networks for habitat monitoring
WSNA '02 Proceedings of the 1st ACM international workshop on Wireless sensor networks and applications
Fast Algorithms for Mining Association Rules in Large Databases
VLDB '94 Proceedings of the 20th International Conference on Very Large Data Bases
Cleaning and querying noisy sensors
WSNA '03 Proceedings of the 2nd ACM international conference on Wireless sensor networks and applications
Recognition of emergent human behaviour in a smart home: A data mining approach
Pervasive and Mobile Computing
Health monitoring of civil infrastructures using wireless sensor networks
Proceedings of the 6th international conference on Information processing in sensor networks
Platform Design for Health-Care Monitoring Applications
HCMDSS-MDPNP '07 Proceedings of the 2007 Joint Workshop on High Confidence Medical Devices, Software, and Systems and Medical Device Plug-and-Play Interoperability
Issues in data fusion for healthcare monitoring
Proceedings of the 1st international conference on PErvasive Technologies Related to Assistive Environments
Towards an evaluation framework for assistive environments
Proceedings of the 1st international conference on PErvasive Technologies Related to Assistive Environments
Extracting spatiotemporal human activity patterns in assisted living using a home sensor network
Proceedings of the 1st international conference on PErvasive Technologies Related to Assistive Environments
Declarative support for sensor data cleaning
PERVASIVE'06 Proceedings of the 4th international conference on Pervasive Computing
Context-aware wireless sensor networks for assisted living and residential monitoring
IEEE Network: The Magazine of Global Internetworking
Abnormal human behavioral pattern detection in assisted living environments
Proceedings of the 3rd International Conference on PErvasive Technologies Related to Assistive Environments
Extending event-driven experiments for human activity for an assistive environment
Proceedings of the 3rd International Conference on PErvasive Technologies Related to Assistive Environments
Modeling reliability for wireless sensor node coverage in assistive testbeds
Proceedings of the 3rd International Conference on PErvasive Technologies Related to Assistive Environments
An event driven framework for assistive CPS environments
ACM SIGBED Review - Special Issue on the 2nd Joint Workshop on High Confidence Medical Devices, Software, and Systems (HCMDSS) and Medical Device Plug-and-Play (MD PnP) Interoperability
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Due to the increasing number of the elderly, more and more people need to have additional health care such as medical or environmental monitoring information at home or nursing facility. Most elderly people are likely to have a sudden behavioral changes due to their aging or existing health problems. Therefore, it is necessary to have an autonomous system that can monitor them in order to prevent emergent situation in advance. In this paper, we present a wireless sensor network system that can recognize human behavioral patterns of the elderly who lives alone. We model episodes that are series of events for a person who lives in an one-bedroom apartment. We propose data cleaning techniques in both sensor and base station sides for the erroneous environment of wireless sensor networks. Based on these techniques, we try to extract discrete events as close as possible to effective events. We introduce non-real time analysis to recognize human behavioral patterns on the centralized system, which can be further extended to a real-time analysis. We also adopt an existing search technique to apply it to detect similar or abnormal behavior. We experiment the proposed system by gathering behavioral pattern data from the miniature one-bedroom apartment that is equipped with SunSPOTs in our HERACLEIA Laboratory. We look up the resulting episodes from our experiment in the dictionary that is a set of predetermined episodes using the suggested algorithm.