Fast training of support vector machines using sequential minimal optimization
Advances in kernel methods
Data mining: practical machine learning tools and techniques with Java implementations
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Charting past, present, and future research in ubiquitous computing
ACM Transactions on Computer-Human Interaction (TOCHI) - Special issue on human-computer interaction in the new millennium, Part 1
CUU '00 Proceedings on the 2000 conference on Universal Usability
Digital family portraits: supporting peace of mind for extended family members
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Work rhythms: analyzing visualizations of awareness histories of distributed groups
CSCW '02 Proceedings of the 2002 ACM conference on Computer supported cooperative work
A Network-Centric Approach to Embedded Software for Tiny Devices
EMSOFT '01 Proceedings of the First International Workshop on Embedded Software
Rhythm modeling, visualizations and applications
Proceedings of the 16th annual ACM symposium on User interface software and technology
Inferring Activities from Interactions with Objects
IEEE Pervasive Computing
Digital Family Portrait Field Trial: Support for Aging in Place
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Bathroom activity monitoring based on sound
PERVASIVE'05 Proceedings of the Third international conference on Pervasive Computing
Simultaneous tracking and activity recognition (STAR) using many anonymous, binary sensors
PERVASIVE'05 Proceedings of the Third international conference on Pervasive Computing
Distributed acoustic conversation shielding: an application of a smart transducer network
Proceedings of the First ACM workshop on Sensor and actor networks
Accurate activity recognition in a home setting
UbiComp '08 Proceedings of the 10th international conference on Ubiquitous computing
Getting to green: understanding resource consumption in the home
UbiComp '08 Proceedings of the 10th international conference on Ubiquitous computing
NAWMS: nonintrusive autonomous water monitoring system
Proceedings of the 6th ACM conference on Embedded network sensor systems
Design and Evaluation of a Sound Based Water Flow Measurement System
EuroSSC '08 Proceedings of the 3rd European Conference on Smart Sensing and Context
Designing for elders: exploring the complexity of relationships in later life
BCS-HCI '08 Proceedings of the 22nd British HCI Group Annual Conference on People and Computers: Culture, Creativity, Interaction - Volume 1
Pervasive '08 Proceedings of the 6th International Conference on Pervasive Computing
PL-Tags: Detecting Batteryless Tags through the Power Lines in a Building
Pervasive '09 Proceedings of the 7th International Conference on Pervasive Computing
Eye movement analysis for activity recognition
Proceedings of the 11th international conference on Ubiquitous computing
HydroSense: infrastructure-mediated single-point sensing of whole-home water activity
Proceedings of the 11th international conference on Ubiquitous computing
ViridiScope: design and implementation of a fine grained power monitoring system for homes
Proceedings of the 11th international conference on Ubiquitous computing
Independence and interaction: understanding seniors' privacy and awareness needs for aging in place
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
UpStream: motivating water conservation with low-cost water flow sensing and persuasive displays
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Bridging the digital divide one tweet at a time: twitter-enabled devices for family communication
CHI '10 Extended Abstracts on Human Factors in Computing Systems
UbiComp '07 Proceedings of the 9th international conference on Ubiquitous computing
A long-term evaluation of sensing modalities for activity recognition
UbiComp '07 Proceedings of the 9th international conference on Ubiquitous computing
Challenges in resource monitoring for residential spaces
Proceedings of the First ACM Workshop on Embedded Sensing Systems for Energy-Efficiency in Buildings
Recognizing the use-mode of kitchen appliances from their current consumption
EuroSSC'09 Proceedings of the 4th European conference on Smart sensing and context
Identifying the activities supported by locations with community-authored content
Proceedings of the 12th ACM international conference on Ubiquitous computing
Proceedings of the 12th ACM international conference on Ubiquitous computing
PipeProbe: a mobile sensor droplet for mapping hidden pipeline
Proceedings of the 8th ACM Conference on Embedded Networked Sensor Systems
Conditional random fields for activity recognition in smart environments
Proceedings of the 1st ACM International Health Informatics Symposium
Performance metrics for activity recognition
ACM Transactions on Intelligent Systems and Technology (TIST)
Activity recognition based on RFID object usage for smart mobile devices
Journal of Computer Science and Technology
Activity analysis based on low sample rate smart meters
Proceedings of the 17th ACM SIGKDD international conference on Knowledge discovery and data mining
A longitudinal study of pressure sensing to infer real-world water usage events in the home
Pervasive'11 Proceedings of the 9th international conference on Pervasive computing
LightWave: using compact fluorescent lights as sensors
Proceedings of the 13th international conference on Ubiquitous computing
A framework for supporting joint interpersonal attention in distributed groups
INTERACT'11 Proceedings of the 13th IFIP TC 13 international conference on Human-computer interaction - Volume Part I
GasSense: appliance-level, single-point sensing of gas activity in the home
Pervasive'10 Proceedings of the 8th international conference on Pervasive Computing
Recognizing water-based activities in the home through infrastructure-mediated sensing
Proceedings of the 2012 ACM Conference on Ubiquitous Computing
Using mid-range RFID for location based activity recognition
Proceedings of the 2012 ACM Conference on Ubiquitous Computing
A longitudinal study of vibration-based water flow sensing
ACM Transactions on Sensor Networks (TOSN)
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Expert Systems with Applications: An International Journal
Mapping hidden water pipelines using a mobile sensor droplet
ACM Transactions on Sensor Networks (TOSN)
DoubleDip: leveraging thermoelectric harvesting for low power monitoring of sporadic water use
Proceedings of the 10th ACM Conference on Embedded Network Sensor Systems
WaterSense: water flow disaggregation using motion sensors
Proceedings of the Third ACM Workshop on Embedded Sensing Systems for Energy-Efficiency in Buildings
FixtureFinder: discovering the existence of electrical and water fixtures
Proceedings of the 12th international conference on Information processing in sensor networks
Analysis of advanced meter infrastructure data of water consumption in apartment buildings
Proceedings of the 19th ACM SIGKDD international conference on Knowledge discovery and data mining
Circulo: Saving Energy with Just-In-Time Hot Water Recirculation
Proceedings of the 5th ACM Workshop on Embedded Systems For Energy-Efficient Buildings
Activity recognition with hand-worn magnetic sensors
Personal and Ubiquitous Computing
Latent-Dynamic Conditional Random Fields for recognizing activities in smart homes
Journal of Ambient Intelligence and Smart Environments - Ambient and Smart Component Technologies for Human Centric Computing
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The home deployment of sensor-based systems offers many opportunities, particularly in the area of using sensor-based systems to support aging in place by monitoring an elder's activities of daily living. But existing approaches to home activity recognition are typically expensive, difficult to install, or intrude into the living space. This paper considers the feasibility of a new approach that "reaches into the home" via the existing infrastructure. Specifically, we deploy a small number of low-cost sensors at critical locations in a home's water distribution infrastructure. Based on water usage patterns, we can then infer activities in the home. To examine the feasibility of this approach, we deployed real sensors into a real home for six weeks. Among other findings, we show that a model built on microphone-based sensors that are placed away from systematic noise sources can identify 100% of clothes washer usage, 95% of dishwasher usage, 94% of showers, 88% of toilet flushes, 73% of bathroom sink activity lasting ten seconds or longer, and 81% of kitchen sink activity lasting ten seconds or longer. While there are clear limits to what activities can be detected when analyzing water usage, our new approach represents a sweet spot in the tradeoff between what information is collected at what cost.