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Displaying 1-18 out of 18 total
Reinvigorating the Discipline: Pervasive Computing and Tomorrow's Computer Scientists
Found in: IEEE Pervasive Computing
By Mike Hazas, Rebecca Marsden
Issue Date:July 2007
pp. 90-93
Declining enrollments in computer science and related fields are a global concern. This issue's column, by Mike Hazas and Rebecca Marsden of Lancaster University in the UK describes the novel Lancaster Headstart program that uses the excitement of pervasiv...
 
Using Fine-Grained Infrared Positioning to Support the Surface-Based Activities of Mobile Users
Found in: Distributed Computing Systems Workshops, International Conference on
By Albert Krohn, Michael Beigl, Mike Hazas, Hans-Werner Gellersen
Issue Date:June 2005
pp. 463-468
Knowledge of the fine-grained location and orientation of devices on a surface can be used to enhance the surface-based computing tasks of mobile users in the home and workplace. However, existing systems which provide surface-based positioning information...
 
Tutorial: Implementing a Pedestrian Tracker Using Inertial Sensors
Found in: IEEE Pervasive Computing
By Carl Fischer,Poorna Talkad Sukumar,Mike Hazas
Issue Date:April 2013
pp. 17-27
Shoe-mounted inertial sensors offer a convenient way to track pedestrians in situations where other localization systems fail. This tutorial outlines a simple yet effective approach for implementing a reasonably accurate tracker. This Web extra presents th...
 
Look Back before Leaping Forward: Four Decades of Domestic Energy Inquiry
Found in: IEEE Pervasive Computing
By Mike Hazas, Adrian Friday, James Scott
Issue Date:January 2011
pp. 13-19
Reducing domestic energy consumption is a hot topic in the pervasive computing and CHI communities, with a long and varied history. This survey gives a brief overview of the history and current state of this problem from various perspectives—from pervasive...
 
Broadband Ultrasonic Location Systems for Improved Indoor Positioning
Found in: IEEE Transactions on Mobile Computing
By Mike Hazas, Andy Hopper
Issue Date:May 2006
pp. 536-547
Ultrasonic location systems are a popular solution for the provision of fine-grained indoor positioning data. Applications include enhanced routing for wireless networks, computer-aided navigation, and location-sensitive device behavior. However, current u...
 
Location-Aware Computing Comes of Age
Found in: Computer
By Mike Hazas, James Scott, John Krumm
Issue Date:February 2004
pp. 95-97
<p>The widespread deployment of sensing technologies will make location-aware applications part of everyday life.</p>
 
A High Performance Privacy-Oriented Location System
Found in: Pervasive Computing and Communications, IEEE International Conference on
By Mike Hazas, Andy Ward
Issue Date:March 2003
pp. 216
<p>Many mobile applications can be greatly enhanced when provided with the locations of people and devices. Ultrasonic location systems have been shown to supply location information with centimeter accuracy at high update rates. Such high-performanc...
 
Exploring the hidden impacts of HomeSys: energy and emissions of home sensing and automation
Found in: Proceedings of the 2013 ACM conference on Pervasive and ubiquitous computing adjunct publication (UbiComp '13 Adjunct)
By Mike Hazas, Oliver Bates
Issue Date:September 2013
pp. 809-814
Home sensing and automation systems are rarely discussed with reference to their direct energy demand, much less other environmental impacts such as greenhouse gas (GhG) emissions arising from their manufacture and transport. It is imperative that designer...
     
Green food technology: UbiComp opportunities for reducing the environmental impacts of food
Found in: Proceedings of the 2013 ACM conference on Pervasive and ubiquitous computing adjunct publication (UbiComp '13 Adjunct)
By Adrian Friday, Adrian K. Clear, Eva Ganglbauer, Mike Hazas, Rob Comber, Yvonne Rogers
Issue Date:September 2013
pp. 553-558
Everyday food and drink consumption makes up a significant proportion of global greenhouse gas emissions (16% of the total footprint for an average UK person [3]). Digital technology offers much scope for helping to reduce this---promoting reflection, incr...
     
Exploring sustainability research in computing: where we are and where we go next
Found in: Proceedings of the 2013 ACM international joint conference on Pervasive and ubiquitous computing (UbiComp '13)
By Bran Knowles, Lynne Blair, Mike Hazas, Stuart Walker
Issue Date:September 2013
pp. 305-314
This paper develops a holistic framework of questions which seem to motivate sustainability research in computing in order to enable new opportunities for critique. Analysis of systematically selected corpora of computing publications demonstrates that sev...
     
Understanding adaptive thermal comfort: new directions for UbiComp
Found in: Proceedings of the 2013 ACM international joint conference on Pervasive and ubiquitous computing (UbiComp '13)
By Adrian Friday, Adrian K. Clear, Janine Morley, Mike Hazas, Oliver Bates
Issue Date:September 2013
pp. 113-122
In many parts of the world, mechanical heating and cooling is used to regulate indoor climates, with the aim of maintaining a uniform temperature. Achieving this is energy-intensive, since large indoor spaces must be constantly heated or cooled, and the di...
     
Domestic food and sustainable design: a study of university student cooking and its impacts
Found in: Proceedings of the SIGCHI Conference on Human Factors in Computing Systems (CHI '13)
By Adrian Friday, Adrian K. Clear, Janine Morley, Mike Hazas, Oliver Bates
Issue Date:April 2013
pp. 2447-2456
In four university student kitchens over twenty-one days, we captured participants' food preparation activity, quantified the greenhouse gas emissions and direct energy connected to the food and cooking, and talked to participants about their food practice...
     
Creating a room connectivity graph of a building from per-room sensor units
Found in: Proceedings of the Fourth ACM Workshop on Embedded Sensing Systems for Energy-Efficiency in Buildings (BuildSys '12)
By Carl Ellis, Ionut Constandache, James Scott, Mike Hazas
Issue Date:November 2012
pp. 177-183
Sensor and actuator networks are often installed in buildings for energy-related applications such as lighting and climate control. Such systems require metadata about the deployed hardware (e.g. which room each is in, what the function of each room is) in...
     
EarlyOff: using house cooling rates to save energy
Found in: Proceedings of the Fourth ACM Workshop on Embedded Sensing Systems for Energy-Efficiency in Buildings (BuildSys '12)
By Carl Ellis, James Scott, John Krumm, Mike Hazas
Issue Date:November 2012
pp. 39-41
Home heating systems often have a significant thermal inertia, as homes stay warm after the heating is turned off for significant periods of time. We present the EarlyOff concept, whereby home heating can be predictively turned off in advance of occupants'...
     
Sustainability does not begin with the individual
Found in: interactions
By A. J. Bernheim Brush, James Scott, Mike Hazas
Issue Date:September 2012
pp. 14-17
Sustainability in (Inter)Action provides a forum for innovative thought, design, and research in the area of interaction design and environmental sustainability. The column explores how HCI can contribute to the complex and interdisciplinary efforts to add...
     
Acoustic source localization of everyday sounds using wireless sensor networks
Found in: Proceedings of the 12th ACM international conference adjunct papers on Ubiquitous computing - Adjunct (Ubicomp '10 Adjunct)
By Mike Hazas, Yukang Guo
Issue Date:September 2010
pp. 411-412
Acoustic events are a rich source of information for context-awareness and support various application areas, such as audio surveillance [1], sound sensing [2], intelligent auditory interfaces [3] and speech localization [4]. Acoustic localization solution...
     
Ultrasound-aided pedestrian dead reckoning for indoor navigation
Found in: Proceedings of the first ACM international workshop on Mobile entity localization and tracking in GPS-less environments (MELT '08)
By Carl Fischer, Hans Gellersen, Kavitha Muthukrishnan, Mike Hazas
Issue Date:September 2008
pp. 1-20
Ad hoc solutions for tracking and providing navigation support to emergency response teams is an important and safety-critical challenge. We propose a navigation system based on a combination of foot-mounted inertial sensors and ultrasound beacons. We eval...
     
A relative positioning system for co-located mobile devices
Found in: Proceedings of the 3rd international conference on Mobile systems, applications, and services (MobiSYS '05)
By Albert Krohn, Christian Kray, Gerd Kortuem, Hans Gellersen, Henoc Agbota, Mike Hazas
Issue Date:June 2005
pp. 177-190
If a mobile computing device knows how it is positioned and oriented in relation to other devices nearby, then it can provide enhanced support for multi-device and multi-user interactions. Existing systems that provide position information to mobile comput...
     
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