Alan Dix, Adrian Friday, Henk Muller, Cliff R, Boriana Koleva, Tom Rodden, ...
This paper is about our experiences of space in the Equator project (www.equator.ac.uk), in particular, the way in which multiple spaces, both virtual and physical, can co-exist. By this we mean that...
A Wireless Public Access Infrastructure for Supporting Mobile Context-Aware IPv6 Applications (2008)
Adrian Friday, Maomao Wu, Stefan Schmid, Joe Finney, Keith Cheverst, Bailrigg Lancaster
This paper presents a novel wireless access point architecture designed to support the development of next generation mobile context-aware applications over metropolitan scale areas. In addition,...
Using Activities to Simplify Interaction with Mobile Services (2008)
Harding, Michael, Storz, Oliver, Friday, Adrian, Salsano, Stefano
Mobile data service use remains low compared with existing services such as text messaging and voice calls. We believe an important limiting factor is the effort demanded of the user to discover and...
SECURITY & PRIVACY Preserving Privacy in Environments with Location-Based Applications (2008)
Ginger Myles, Adrian Friday, Nigel Davies
The increase in location-based applications makes protecting personal location information a major challenge. Addressing this challenge requires a mechanism that lets users automate control of their...
Electronic Engineering, (2008)
Carl Barratt, Andrea Brogni, Matthew Chalmers, William R. Cobern, John Crowe, Don Cruickshank, ...
Abstract. In this paper we show how we have used and adapted GT3 to support scalable and flexible remote medical monitoring applications on the Grid. We use two lightweight monitoring devices (a java...
Modular Sensor Architecture for Unobtrusive Routine Clinical Diagnosis (2008)
John Crowe Barrie, John Crowe, Barrie Hayes-gill, Mark Sumner, Carl Barratt, Ben Palethorpe, ...
Clinical diagnosis of pathological conditions is accomplished regularly via the recording and subsequent analysis of a physiological variable from a subject. Problems with current common practice...
Christos Efstratiou, Keith Cheverst, Nigel Davies, Adrian Friday, La Yr
Mobile applications are required to operate in environments that change. Specifically, the availability of resources and services may change significantly during typical system operation. As a...
MediPic: support for medication management (2007)
Stewart Kember, Mark Rouncefield, Adrian Friday, Peter Phillips
This paper describes the initial design of a device to support the management of medication in a community care environment. From requirements identified through ethnographic study, the proposed...
XSED XML-based Description of StatusEvent Components and Systems (2007)
Dix, Alan, Friday, Adrian, Leite, Jair
Most user interfaces and ubiquitous systems are built around event-based paradigms. Previous work has argued that interfaces, especially those heavily depending on context or continuous data from...
MAGIC Broker: A Middleware Toolkit for Interactive Public Displays (2007)
Erbad, Aiman, Blackstock, Michael, Friday, Adrian, Lea, Rodger, Al-Muhtadi, Jalal
Large screen displays are being increasingly deployed in public areas for advertising, entertainment, and information display. Recently we have witnessed increasing interest in supporting interaction...
Structural Learning of Activities from Sparse Datasets (2007)
Albinali, Fahd, Davies, Nigel, Friday, Adrian
A major challenge in pervasive computing is to learn activity patterns, such as bathing and cleaning from sensor data. Typical sensor deployments generate sparse datasets with thousands of sensor...
Supporting content scheduling on situated public displays. (2006)
Storz, Oliver;, Friday, Adrian;, Davies, Nigel
There is increasing interest in creating networks of situated public displays that offer novel forms of interaction and rich media content—often as work towards a vision of ubiquitous computing or...
Public ubiquitous computing systems: Lessons from the e-campus display deployments. (2006)
Storz, Oliver, Friday, Adrian, Davies, Nigel, Finney, Joe, Sas, Corina, Sheridan, Jennifer
In this paper we reflect on our experiences of deploying ubiquitous computing systems in public spaces and present a series of lessons that we feel will be of benefit to researchers planning similar...
Supporting content scheduling on situated public displays. (2006)
Storz, Oliver, Friday, Adrian, Davies, Nigel
There is increasing interest in creating networks of situated public displays that offer novel forms of interaction and rich media content - often as work towards a vision of ubiquitous computing or...
Managing multiple spaces (2005)
Dix, Alan, Friday, Adrian, Rodden, Tom, Koleva, Boriana, Muller, Henk, Randell, Cliff, ...
This paper is about our experiences of space in the Equator project (www.equator.ac.uk), in particular, the way in which multiple spaces, both virtual and physical, can co-exist. By this we mean that...
Towards Simplicity: An Introduction (2005)
Wu, Maomao, Storz, Oliver, Davies, Nigel, Friday, Adrian
With the rapid development of mobile devices, wired and wireless communication technologies, and network based services, people are able to access information ubiquitously using a variety of devices....
Supporting service discovery, querying and interaction in ubiquitous computing environments. (2005)
Friday, Adrian;, Davies, Nigel;, Wallbank, Nat;, Catterall, Elaine;, Pink, Stephen
In this paper, we contend that ubiquitous computing environments will be highly heterogeneous, service rich domains. Moreover, future applications will consequently be required to interact with...
Supporting Service Discovery, Querying and Interaction in Ubiquitous Computing Environments (2004)
Friday, Adrian, Davies, Nigel, Wallbank, Nat, Catterall, Elaine, Pink, Steve
In this paper, we contend that ubiquitous computing environments will be highly heterogeneous, service rich domains. Moreover, future applications will consequently be required to interact with...
Context-aware middleware for applications in mobile ad hoc environments (2004)
Sørensen, Carl-Fredrik, Wu, Maomao, Sivaharan, Thirunavukkarasu, Blair, Gordon S., Okanda, Paul, Friday, Adrian, ...
Novel ubiquitous computing applications such as intelligent vehicles, smart buildings, and traffic management require special properties that traditional computing applications do not support, such...
Supporting Ordering and Consistency in a Distributed Event Heap for Ubiquitous Computing (2004)
Storz, Oliver, Friday, Adrian, Davies, Nigel
The Stanford Event Heap has been shown to provide appropriate support for constructing interactive workspace applications. Given this success it is natural to consider the Event Heap as a platform to...
Cooperating sentient vehicles for next generation automobiles (2004)
Sivaharan, Thirunavukkarasu, Blair, Gordon S., Friday, Adrian, Wu, Maomao, Duran-Limon, Hector, Okanda, Paul, ...
It is becoming clear that location-aware intelligent transportation systems will be one of the most promising upcoming applications for next generation vehicles. The driving force behind this is the...
Novel component middleware for building dependable sentient computing applications (2004)
Wu, Maomao, Friday, Adrian, Blair, Gordon S., Sivaharan, Thirunavukkarasu, Okanda, Paul, Duran-Limon, Hector, ...
With advances in sensor-based computing and mobile communication, people have started to explore ubiquitous or pervasive computing systems that aim to have computing devices literally available...
Davies, Nigel, Friday, Adrian, Storz, Oliver, Blefari-Melazzi, N., Ceneri, G., Cortese, G., ...
As of today, to exploit the variety of different "services", users need to configure each of their devices by using different procedures and need to explicitly select among heterogeneous access...
The Auditability of Public Space - Approaching Security through Social Visibility (2004)
Dix, Alan, Cheverst, Keith, Fitton, Dan, Friday, Adrian
Abstract: This paper discusses how the public setting of a situated display acts as a resource for security. The very publicness creates a social auditability that prevents certain kinds of abuse....
Modular sensor architecture for unobtrusive routine clinical diagnosis (2004)
Storz, Oliver, Friday, Adrian, Crowe, J., Hayes-Gill, B., Sumner, M., Barratt, C., ...
Clinical diagnosis of pathological conditions is accomplished regularly via the recording and subsequent analysis of a physiological variable from a subject. Problems with current common practice...
Real tournament mobile context aware gaming for the next generation (2004)
Wu, Maomao, Mitchell, Keith, McCaffery, Duncan, Finney, Joe, Friday, Adrian
With the recent advances in mobile networking, context-aware computing, and sensor-based computing, researchers and game designers are able to explore the potential of combining these new...
Exploring the grid's potential for ubiquitous computing (2004)
Davies, Nigel, Friday, Adrian, Storz, Oliver
In contrast to many scientific disciplines embracing the vision of a uniform global distributed infrastructure to support their activities, ubiquitous computing is currently characterized by an...
The Simplicity Project: Managing Complexity in a Diverse ICT World (2004)
Davies, Nigel, Friday, Adrian, Blefari-Melazzi, N., Bianchi, G., Ceneri, G., Cortese, G., ...
As technology develops, people are using an ever broader range of heterogeneous ICT (Information and Communication Technology) devices and network-based services. New areas of research, such as...
Cooperating Sentient Vehicles for Next Generation Automobiles (2004)
Thirunavukkarasu Sivaharan, Gordon Blair, Adrian Friday, Maomao Wu, Hector Duran-limon, Paul Ok, ...
It is becoming clear that location-aware intelligent transportation systems will be one of the most promising upcoming applications for next generation vehicles. The driving force behind this is the...
Novel Component Middleware for Building Dependable Sentient Computing Applications (2004)
Maomao Wu, Adrian Friday, Gordon Blair, Thirunavukkarasu Sivaharan, Paul Ok, Hector Duran Limon, ...
With advances in sensor-based computing and mobile communication, people have started to explore ubiquitous or pervasive computing systems that aim to have computing devices literally available...
Supporting ordering and consistency in a distributed event heap for ubiquitous computing (2004)
Oliver Storz, Adrian Friday, Nigel Davies
Abstract. The Stanford Event Heap has been shown to provide appropriate support for constructing interactive workspace applications. Given this success it is natural to consider the Event Heap as a...
Cooperating Sentient Vehicles for Next Generation Automobiles (2004)
Thirunavukkarasu Sivaharan, Gordon Blair, Adrian Friday, Maomao Wu, Hector Duran-limon, Paul Ok, ...
It is becoming clear that location-aware intelligent transportation systems will be one of the most promising upcoming applications for next generation vehicles. The driving force behind this is the...
Boddupalli, Prasad, Davies, Nigel, Friday, Adrian
An important problem in intelligent environments is how the system can identify and model users' activities. This paper describes a new technique for identifying correlations between sensors and...
Duran-Limon, Hector, Blair, Gordon S., Friday, Adrian, Sivaharan, Thirunavukkarasu, Samartzidis, Georgios
A new class of applications can now be envisaged with the emergence of both mobile ad hoc computing and ubiquitous computing. Applications of such kind are characterised by being largely distributed...
Payment support in ubiquitous computing environments (2003)
Boddupalli, Prasad, Davies, Nigel, Friday, Adrian, Storz, Oliver, Wu, Maomao
Despite ten years of extensive research, M. Weiser's (1991) vision of ubiquitous computing is far from a widespread reality. While research into enabling technologies has progressed significantly,...
Towards `ubiquitous' ubiquitous computing: an alliance with `the grid' (2003)
Storz, Oliver, Friday, Adrian, Davies, Nigel
The drive to implement Ubiquitous Computing systems has driven the development of numerous research prototypes. Distributed systems platforms have emerged, each addressing a subset of the overall...
Exploring the utility of remote messaging and situated office door displays (2003)
Cheverst, Keith, Dix, Alan, Fitton, Dan, Friday, Adrian, Rouncefield, Mark
In recent years, the proliferation in use of the GSM short message service (or SMS) has prompted numerous studies into person to person messaging via mobile devices. However, to date, there has been...
Experiments with multi-modal interfaces in a context-aware city guide (2003)
Bornträger, Christian, Cheverst, Keith, Davies, Nigel, Dix, Alan, Friday, Adrian, Seitz, Jochen
In recent years there has been considerable research into the development of mobile context-aware applications. The canonical example of such an application is the context-aware tour-guide that...
Leveraging the Grid to Provide a Global Platform for Ubiquitous Computing Research (2003)
Storz, Oliver, Friday, Adrian, Wu, Maomao, Boddupalli, Prasad
The requirement for distributed systems support for Ubicomp has led to the development of numerous platforms, each addressing a subset of the overall requirements of ubiquitous systems. In contrast,...
Preserving privacy in environments with location-based applications (2003)
Myles, Ginger, Friday, Adrian, Davies, Nigel
The increase in location-based applications makes protecting personal location information a major challenge. Addressing this challenge requires a mechanism that lets users automate control of their...
Mobile context-aware game for the next generation (2003)
Wu, Maomao, Mitchell, Keith, McCaffery, Duncan, Finney, Joe, Friday, Adrian
Traditional networked multiplayer games are typically confined to be played on desktop computers. With the recent advances in mobile networking, context-aware computing, and sensor-based computing,...
Context-aware middleware for pervasive and ad hoc environments (2003)
Gordon S. Blair, Adrian Friday, Paul Grace, George Samartzidis, Thirunavukkarasu Sivaharan, ...
Abstract: Recent advances in the area of mobile computing and pervasive computing have driven the emergence of new challenges. For example, the “Intelligent Environment ” or “Smart Environment...
Network layer access control for context-aware IPv6 applications (2003)
Adrian Friday, Maomao Wu, Joe Finney, Stefan Schmid, Keith Cheverst, Nigel Davies
Abstract. As part of the Lancaster GUIDE II project, we have developed a novel wireless access point protocol designed to support the development of next generation mobile context-aware applications...
Experiments with Multi-modal Interfaces in a Context-Aware City Guide (2003)
Christian Bornträger, Keith Cheverst, Nigel Davies, Alan Dix, Adrian Friday, Jochen Seitz, ...
Abstract. In recent years there has been considerable research into the development of mobile context-aware applications. The canonical example of such an application is the context-aware tour-guide...
Towards ‘Ubiquitous’ Ubiquitous Computing: an alliance with the Grid (2003)
Oliver Storz, Adrian Friday, Nigel Davies
Abstract. The drive to implement Ubiquitous Computing systems has motivated the development of numerous research prototypes. Distributed systems platforms have emerged, each addressing a subset of...
A Resource and QoS Management Framework for a Real-time Event System (2003)
Gordon S. Blair, Adrian Friday, Thirunavukkarasu Sivaharan
Abstract: A new class of applications can now be envisaged with the emergence of both mobile ad hoc computing and ubiquitous computing. Applications of such kind are characterised by being largely...
MARE: resource discovery and configuration in ad hoc networks (2002)
Storey, Matthew, Blair, Gordon S., Friday, Adrian
The emergence of personal portable devices, such as PDA's and Mobile phones, with considerable processing and communication capabilities, has led to a desire to use various combinations of these...
Context Acquisition Based on Load Sensing (2002)
Schmidt, Albrecht, Strohbach, Martin, Van Laerhoven, Kristof, Friday, Adrian, Gellersen, Hans
Load sensing is a mature and robust technology widely applied in process control. In this paper we consider the use of load sensing in everyday environments as an approach to acquisition of...
Utilising the event calculus for policy driven adaptation on mobile systems (2002)
Efstratiou, Christos, Friday, Adrian, Davies, Nigel, Cheverst, Keith
Adaptation is an important requirement for mobile applications due to the varying levels of resource availability that characterises mobile environments. However, without proper control, multiple...
Future wireless applications for a networked city: services for visitors and residents (2002)
Davies, Nigel, Cheverst, Keith, Friday, Adrian, Mitchell, Keith
Future wireless networks will offer near-ubiquitous high-bandwidth communications to mobile users. In addition, the accurate position of users will be known, either through network services or via...
CORTEX: Towards supporting Autonomous and Cooperating Sentient entities (2002)
Verissimo, Paulo, Cahill, Vinny, Casimiro, António, Cheverst, Keith, Friday, Adrian, Kaiser, Jörg
A new class of application that operates independently of direct human control is starting to emerge. It is our belief that the development of such applications is highlighting the shortcomings of...
A platform supporting coordinated adaptation in mobile systems (2002)
Efstratiou, Christos, Friday, Adrian, Davies, Nigel, Cheverst, Keith
Mobile environments are highly dynamic, characterised by frequent and sudden changes in resource availability. As a consequence, adaptive mobile applications need to be capable of adapting their...
A lightweight approach to managing privacy in location-based services (2002)
Rodden, Tom, Friday, Adrian, Muller, Henk, Dix, Alan
Location-based services (LBS) and context-aware systems typically exploit the tracking of people to offer personalised services. Examples of these sorts of applications include allowing vulnerable...
Utilising the event calculus for policy driven adaptation on mobile systems (2002)
Christos Efstratiou, Adrian Friday, Nigel Davies, Keith Cheverst
Adaptation is an important requirement for mobile applications due to the varying levels of resource availability that characterises mobile environments. However without proper control, multiple...
A platform supporting coordinated adaptation in mobile systems (2002)
Christos Efstratiou, Adrian Friday, Nigel Davies, Keith Cheverst
Mobile environments are highly dynamic, characterised by frequent and sudden changes in resource availability. As a consequence, adaptive mobile applications need to be capable of adapting their...
Context acquisition based on load sensing (2002)
Albrecht Schmidt, Martin Strohbach, Kristof Van Laerhoven, Adrian Friday, Hans-w. Gellersen
Abstract. Load sensing is a mature and robust technology widely applied in process control. In this paper we consider the use of load sensing in everyday environments as an approach to acquisition of...
Integrating Privacy Enhancing Services in Ubiquitous Computing Environments (2002)
Maomao Wu, Adrian Friday, La Yr
With the advances in pervasive wireless communications (such as GSM, WaveLAN, Bluetooth, etc.) and context-aware and ‘smart room ’ prototypes (GUIDE [1], AT&T’s Sentient Computing [2],...
Context Acquisition Based on Load Sensing (2002)
Albrecht Schmidt Martin, Martin Strohbach, Kristof Van Laerhoven, Adrian Friday, Hans-w. Gellersen
Load sensing is a mature and robust technology widely applied in process control. In this paper we consider the use of load sensing in everyday environments as an approach to acquisition of...
MediPic: Support for Medication Management (2001)
Kember, S., Rouncefield, Mark, Friday, Adrian, Phillips, Peter
This paper describes the initial design of a device to support the management of medication in a community care environment. From requirements identified through ethnographic study, the proposed...
An access control architecture for microcellular wireless IPv6 networks (2001)
Schmid, Stefan, Finney, Joe, Wu, Maomao, Friday, Adrian, Scott, Andrew, Shepherd, D.
This document introduces a novel access control architecture for publicly accessible wireless overlay networks. The architecture is designed to address the problems of ubiquitous Internet service...
Davies, Nigel, Cheverst, Keith, Efstratiou, Christos, Friday, Adrian
Research has demonstrated that mobile and wireless applications benefit from a knowledge of their operating environment. Examples of context-aware or adaptive applications have been constructed and...
Understanding Existing Smart Environments: A Brief Classification (2001)
Phillips, Peter, Friday, Adrian, Cheverst, Keith
In recent years, smart environments have emerged as a key target area for ubiquitous and pervasive computing research. As technologists contemplate moving the focus of their research from proprietary...
Design and Digital Care (2001)
Rouncefield, Mark, Cheverst, Keith, Friday, Adrian, Kember, S., Mitchell, Keith, Phillips, Peter
The role of shared context in supporting cooperation between city visitors (2001)
Cheverst, Keith, Smith, Gareth, Mitchell, Keith, Friday, Adrian, Davies, Nigel
The sharing of contextual information between individuals is a notion that often sparks emotional debate. It is interesting to note that the majority of existing work on sharing contextual...
Supporting Service Discovery, Querying and Interaction in Ubiquitous Computing Environments (2001)
Friday, Adrian, Davies, Nigel, Catterall, Elaine
Future computing environments will consist of a wide range of network based appliances, applications and services interconnected using both wired and wireless networks. In order to encourage the...
Mobile-awareness: designing for mobile interactive systems (2001)
Mitchell, Keith, Cheverst, Keith, Davies, Nigel, Friday, Adrian
Cheverst, Keith, Kember, S., Friday, Adrian, Phillips, Peter, Rouncefield, Mark, Rodden, Tom, ...
This paper is primarily about design and some of the difficulties of 'appropriate' design in care settings: about the interaction between technologies, application domains, design methodologies and...
An architecture for the effective support of adaptive context-aware applications (2001)
Efstratiou, Christos, Cheverst, Keith, Davies, Nigel, Friday, Adrian
Mobile applications are required to operate in environments characterised by change. More specifically, the availability of resources and services may change significantly during a typical period of...
A wireless public access infrastructure for supporting mobile context-aware IPv6 applications (2001)
Friday, Adrian, Wu, Maomao, Schmid, Stefan, Finney, Joe, Cheverst, Keith, Davies, Nigel
As part of the Lancaster GUIDE II project, we have developed a novel wireless access point protocol designed to support the development of next generation mobile context-aware applications in our...
Network layer access control for context-aware IPv6 applications (2001)
Friday, Adrian, Wu, Maomao, Finney, Joe, Schmid, Stefan, Cheverst, Keith, Davies, Nigel
As part of the Lancaster GUIDE II project, we have developed a novel wireless access point protocol designed to support the development of next generation mobile context-aware applications in our...
An access control architecture for metropolitan area wireless networks (2001)
Friday, Adrian, Wu, Maomao, Schmid, Stefan, Finney, Joe, Cheverst, Keith, Davies, Nigel
This paper presents a novel wireless access point architecture designed to support the development of next generation mobile context-aware applications over metropolitan scale areas. In addition,...
Supporting Service Discovery, Querying and Interaction in Ubiquitous Computing Environments (2001)
Adrian Friday, Nigel Davies, Nat Wallbank, Elaine Catterall, Stephen Pink, La Yr
Abstract. In this paper, we contend that ubiquitous computing environments will be highly heterogeneous, service rich domains. Moreover, future applications will consequently be required to interact...
An Architecture for the Effective Support of Adaptive Context-Aware Applications (2001)
Christos Efstratiou, Keith Cheverst, Nigel Davies, Adrian Friday
Abstract. Mobile applications are required to operate in environments characterised by change. More specifically, the availability of resources and services may change significantly during a typical...
Understanding Existing Smart Environments: A Brief Classification (2001)
Peter Phillips, Adrian Friday, Keith C Heverst
In recent years, smart environments have emerged as a key target area for ubiquitous and pervasive computing research. As technologists contemplate moving the focus of their research from proprietary...
Exploiting Space and Location as a Design Framework for Interactive Mobile Systems (2000)
Dix, Alan, Rodden, Tom, Davies, Nigel, Friday, Adrian, Palfreyman, Kevin
This article considers the importance of context in mobile systems. It considers a range of context-related issues and focus on location as a key issue for mobile systems. A design framework is...
Architectural ideas for the support of adaptive context-aware applications (2000)
Cheverst, Keith, Efstratiou, Christos, Davies, Nigel, Friday, Adrian
Experiences of Developing and Deploying a Context-Aware Tourist Guide: The GUIDE Project (2000)
Cheverst, Keith, Davies, Nigel, Mitchell, Keith, Friday, Adrian
The GUIDE system has been developed to provide city visitors with a hand-held context-aware tourist guide. The system has been successfully deployed in a major tourist destination and is currently at...
Developing Context-Aware Electronic Tourist Guide: Some Issues and Experiences (2000)
Cheverst, Keith, Davies, Nigel, Mitchell, Keith, Friday, Adrian, Efstratiou, Christos
In this paper, we describe our experiences of developing and evaluating GUIDE, an intelligent electronic tourist guide. The GUIDE system has been built to overcome many of the limitations of the...
Sharing (location) context to facilitate collaboration between city visitors (2000)
Cheverst, Keith, Mitchell, Keith, Friday, Adrian, Davies, Nigel
Teaching and Learning Computing Skills via an Intranet-Based Course (2000)
Friday, Adrian, Parkes, Alan, Nichols, David
This paper discusses a non-majorable first year University Computing course that provides novice users with fundamental computer skills. This paper-less course, now in its second year, uses combined...
Experiences of developing and deploying a context-aware tourist guide: the GUIDE project (2000)
Keith Cheverst, Nigel Davies, Keith Mitchell, Adrian Friday
The GUIDE system has been developed to provide city visitors with a hand-held context-aware tourist guide. The system has been successfully deployed in a major tourist destination and is currently at...
Sharing (Location) Context to Facilitate Collaboration Between City Visitors (2000)
Keith Cheverst, Keith Mitchell, Adrian Friday, Nigel Davies
navigation. The sharing of contextual information between individuals is a notion that often sparks emotional debate. It is interesting to note that the majority of existing work on sharing...
Developing a Context-aware Electronic Tourist Guide: Some Issues and Experiences (2000)
Keith Cheverst, Nigel Davies, Keith Mitchell, Adrian Friday, Christos Efstratiou
In this paper, we describe our experiences of developing and evaluating GUIDE, an intelligent electronic tourist guide. The GUIDE system has been built to overcome many of the limitations of the...
Experiences of developing and deploying a context-aware tourist guide: the GUIDE project (2000)
Keith Cheverst, Nigel Davies, Keith Mitchell, Adrian Friday
The GUIDE system has been developed to provide city visitors with a hand-held context-aware tourist guide. The system has been successfully deployed in a major tourist destination and is currently at...
Architectural ideas for the support of adaptive context-aware applications (2000)
Keith Cheverst, Christos Efstratiou, Nigel Davies, Adrian Friday
Mobile applications are required to operate in environments characterised by change. More specifically, the availability of resources and services may change significantly during a typical period of...
Sharing (Location) Context to Facilitate Collaboration Between City Visitors (2000)
Keith Cheverst, Keith Mitchell, Adrian Friday, Nigel Davies
The development and evaluation of the GUIDE system [5][6][7][8] demonstrated the potential value and acceptability of a mobile context-aware interactive assistant to city visitors. However, one of...
Exploiting Space and Location as a Design Framework for Interactive Mobile Systems (2000)
Alan Dix, Nigel Davies, Adrian Friday, Jonathan Trevor, Tom Rodden, Kevin Palfreyman, ...
This paper considers the importance of context in mobile systems. It considers a range of context issues and focus on location as a key issue for mobile systems. A design framework is described...
Developing a Context-aware Electronic Tourist Guide: Some Issues and Experiences (2000)
Keith Cheverst, Nigel Davies, Keith Mitchell, Adrian Friday, Christos Efstratiou
In this paper, we describe our experiences of developing and evaluating GUIDE, an intelligent electronic tourist guide. The GUIDE system has been built to overcome many of the limitations of the...
Design of an Object Model for a Context-Sensitive Tourist Guide (1999)
Cheverst, Keith, Davies, Nigel, Mitchell, Keith, Friday, Adrian
This paper describes work carried out as part of the GUIDE project at Lancaster University. The overall aim of the project is to develop a context-sensitive tourist guide for visitors to the city of...
Management of Proxy Objects Providing Multimedia Applications in the Mobile Environment (1999)
Seitz, Jochen, Cheverst, Keith, Davies, Nigel, Ebner, Michael, Friday, Adrian
Due to increasing computational power, long-life batteries and wireless links with improving bandwidth, distributed multimedia applications have become more and more attractive for mobile users....
The Support of Mobile-Awareness in Collaborative Groupware (1999)
Cheverst, Keith, Blair, Gordon S., Davies, Nigel, Friday, Adrian
This paper explores the need for mobile-awareness in groupware designed for use in a mobile environment. The motivation for providing this additional form of awareness is that current groupware tends...
Caches in the Air: Disseminating Information in the Guide System (1999)
Davies, Nigel, Cheverst, Keith, Mitchell, Keith, Friday, Adrian
The paper describes work carried out as part of the GUIDE project at Lancaster University. The overall aim of the project is to develop a context-sensitive tourist guide for visitors to the city of...
The Role of Connectivity in Supporting Context-Sensitive Applications (1999)
Cheverst, Keith, Davies, Nigel, Mitchell, Keith, Friday, Adrian
This paper considers the role of network connectivity in supporting context-sensitive applications. A range of context-sensitive applications are analysed with respect to connectivity. Following this...
Developing Adaptive Applications: The MOST Experience (1999)
Friday, Adrian, Davies, Nigel, Blair, Gordon S., Cheverst, Keith
Future computer environments will include mobile computers which will either be disconnected, weakly inter-connected by low speed wireless networks such as GSM, or fully inter-connected by high speed...
Experiences of Using Generative Communications to Support Adaptive Mobile Applications (1999)
Friday, Adrian, Davies, Nigel, Seitz, Jochen, Wade, Stephen
Attention has recently begun to focus on the use of asynchronous paradigms to support adaptive mobile applications. To investigate this issue the authors have developed an asynchronous distributed...
Supporting Collaboration in Mobile-aware Groupware (1999)
Keith Cheverst, Gordon Blair, Nigel Davies, Adrian Friday
This paper builds on the experiences gained from the extensive work carried out during the MOST project [MOST,95]. This project investigated the use of mobile technologies to support multimedia...
Experiences of Using Generative Communications To Support Adaptive Mobile Applications (1999)
Adrian Friday, Nigel Davies, Jochen Seitz, Matt Storey, Stephen P. Wade
Attention has recently begun to focus on the use of asynchronous paradigms to support adaptive mobile applications. To investigate this issue the authors have developed an asynchronous distributed...
Supporting Collaboration in Mobile-aware Groupware (1999)
Keith Cheverst, Gordon Blair, Nigel Davies, Adrian Friday
This paper builds on the experiences gained from the extensive work carried out during the MOST project [MOST,95]. This project investigated the use of mobile technologies to support multimedia...
A CORBA-based Proxy Architecture for Mobile Multimedia Applications (1998)
Seitz, Jochen, Davies, Nigel, Ebner, Michael, Friday, Adrian
In many cases users of mobile computers wish to have the same applications running and to have access to the same information as they would when connected to a fixed network. Such transparency is...
An Asynchronous Distributed Systems Platform for Heterogeneous Environments (1998)
Davies, Nigel, Friday, Adrian, Blair, Gordon S., Wade, Stephen
Since its introduction over a decade ago the tuple space paradigm has attracted interest from the distributed systems community. Despite being developed for shared memory parallel architectures, the...
L2imbo: A Distributed Systems Platform for Mobile Computing (1998)
Davies, Nigel, Friday, Adrian, Blair, Gordon S., Wade, Stephen
Mobile computing environments increasingly consist of a range of supporting technologies offering a diverse set of capabilities to applications and end-systems. Such environments are characterised by...
Supporting Adaptive Video Applications in Mobile Environments (1998)
Davies, Nigel, Finney, Joe, Friday, Adrian, Scott, Andrew
The transmission of digital video over wireless networks is becoming a reality: it is now possible to construct working prototype systems which illustrate the benefits to be accrued from the...
Supporting Collaboration in Mobile-Aware Groupware (1998)
Cheverst, Keith, Davies, Nigel, Friday, Adrian, Blair, Gordon S.
Developing Interfaces for Collaborative Mobile Systems (1998)
Cheverst, Keith, Davies, Nigel, Friday, Adrian
This paper describes the issues encountered when developing user interfaces for collaborative multimedia applications designed for operation in unreliable mobile networking environments. To provide...
Supporting Video in Heterogeneous Mobile Environments (1998)
Yeadon, Nick, Davies, Nigel, Friday, Adrian, Blair, Gordon S.
High quality digital wireless networks and advances in multimedia compression schemes now permit the transmission of video streams over mobile networks. This opens up video communications to a new...
Supporting Video in Heterogeneous Mobile Environments (1998)
Nicholas Yeadon, Nigel Davies, Adrian Friday, Gordon Blair
High quality digital wireless networks and advances in multimedia compression schemes now permit the transmission of video streams over mobile networks. This opens up video communications to a new...
An Asynchronous Distributed Systems Platform for Heterogeneous Environments (1998)
Nigei Davies, Adrian Friday, Stephen P. Wade, Gordon S. Blair
Since its introduction over a decade ago the tuple space paradigm has attracted interest from the distributed systems community. Despite being developed for shared memory parallel architectures, the...
A CORBA-based proxy architecture for mobile multimedia applications (1998)
Jochen Seitz, Nigel Davies, Michael Ebner, Adrian Friday
Abstract: In many cases users of mobile computers wish to have the same applications running and to have access to the same information as they would when connected to a fixed network. Such...
Developing Interfaces for Collaborative Mobile Systems (1998)
Keith Cheverst, Nigel Davies, Adrian Friday
This paper describes the issues encountered when developing user interfaces for collaborative multimedia applications designed for operation in unreliable mobile networking environments. To provide...
imbo: A distributed systems platform for mobile computing (1998)
Nigel Davies, Adrian Friday, Stephen P. Wade, Gordon S. Blair
this paper we argue that these paradigms are not well suited to operation in the emerging mobile environments. Furthermore, we offer an alternative programming paradigm based on tuple spaces which,...
The Tuple Space: An Old Solution to a New Problem? (1997)
Friday, Adrian, Wade, Stephen P., Davies, Nigel, Blair, Gordon S.
Quality of Service Support in a Mobile Environment: An Approach Based on Tuple Spaces (1997)
Blair, Gordon S., Davies, Nigel, Friday, Adrian, Wade, Stephen
There has recently been considerable interest in quality of service management architectures for high speed networks. In contrast, however, there has been less research on appropriate architectures...
Limbo: A Tuple Space Based Platform for Adaptive Mobile Applications (1997)
Davies, Nigel, Wade, Stephen, Friday, Adrian, Blair, Gordon S.
Mobile computing environments are characterised by significant and rapid changes in their supporting infrastructure and, in particular, in the quality-of-service (QoS) available from their underlying...
The Tuple Space: An Old Solution to a New Problem? (1997)
Adrian Friday, Stephen P. Wade, Nigel Davies, Gordon S. Blair, La Yr
This paper discusses the impact on current distributed systems thinking of emerging and future networking technologies. In particular, we believe that future distributed systems platforms will be...
Distributed Systems Support for Adaptive Mobile Applications (1996)
Davies, Nigel, Friday, Adrian, Blair, Gordon S., Cheverst, Keith
Mobile applications must operate in environments which experience rapid and significant fluctuations in the Quality of Service (QoS) offered by their underlying communications infrastructure. These...
Infrastructure Support for Adaptive Mobile Applications (1996)
Recent growth in the number and quality of wireless network technologies has led to an increased interest in mobile computing. Furthermore, these technologies have now advanced sufficiently to allow...
Mobile Open Systems Technologies For The Utilities Industries (1996)
Davies, Nigel, Blair, Gordon S., Friday, Adrian, Raven, Peter F., Cross, Andrew D.
This chapter considers the provision of mobile computing support for field engineers in the electricity industry. Section 11.2 describes field engineers current working practices and from these...
Extensions to ANSAware for advanced mobile applications (1996)
Friday, Adrian, Blair, Gordon S., Cheverst, Keith, Davies, Nigel
Significant advances have been made in recent years in tackling the problem of heterogeneity in distributed systems with ISO/ ITU-T standards for a Reference Model for Open Distributed Processing...
Services to Support Consistency in Mobile Collaborative Applications (1996)
Cheverst, Keith, Davies, Nigel, Friday, Adrian, Blair, Gordon S.
This paper describes the design of services to support consistency in collaborative mobile applications. The requirements for application level consistency in groupware applications are discussed and...
Supporting Collaborative Applications in a Heterogeneous Mobile Environment (1996)
Davies, Nigel, Blair, Gordon S., Cheverst, Keith, Friday, Adrian
This paper describes the implementation and use of a platform designed to support collaborative multimedia applications in a mobile environment. The platform provides a programming interface...
A Collaborative Multimedia Application For A Mobile Environment (1996)
Nigel Davies, Gordon S. Blair, Keith Cheverst, Adrian Friday
With recent advances in portable computers and wireless networks, it is now feasible to provide sophisticated IT support for a range of mobile workers in areas such as the police, ambulance services...
Distributed Systems Support For Adaptive Mobile Applications (1996)
Nigel Davies, Adrian Friday, Gordon S. Blair, Keith Cheverst
Mobile applications must operate in environments which experience rapid and significant fluctuations in the quality of service (QoS) offered by their underlying communications infrastructure. These...
FLUMP The FLexible Ubiquitous Monitor Project (1996)
Joe Finney, Stephen Wade, Nigel Davies, Adrian Friday
As a matter of course, the most successful tools are those which we use subconsciously, almost transparently. Take the pen for example - a necessity when writing a document, yet not the focus of your...
Services To Support Consistency In Mobile Collaborative Applications (1996)
Keith Cheverst, Nigel Davies, Adrian Friday, Gordon S. Blair
This paper describes the design of services to support consistency in collaborative mobile applications. The requirements for application level consistency in groupware applications are discussed and...
Distributed Systems Support for Adaptive Mobile Applications (1996)
Nigel Davies, Adrian Friday, Gordon S. Blair, Keith Cheverst
Mobile applications must operate in environments which experience rapid and significant fluctuations in the quality of service (QoS) offered by their underlying communications infrastructure. These...
Experiences of Using RM-ODP to Build Advanced Mobile Applications (1995)
Davies, Nigel, Blair, Gordon S., Cheverst, Keith, Friday, Adrian
Significant advances have been made in recent years in tackling the problem of heterogeneity in distributed systems with ISO/ITU-T standards for a Reference Model for Open Distributed Processing...
A Collaborative Multimedia Application for a Mobile Environment (1995)
Davies, Nigel, Blair, Gordon S., Cheverst, Keith, Friday, Adrian
With recent advances in portable computers and wireless networks, it is now feasible to provide sophisticated IT support for a range of mobile workers in areas such as the police, ambulance services...
A Network Emulator To Support the Development of Adaptive Applications (1995)
Davies, Nigel, Blair, Gordon S., Cheverst, Keith, Friday, Adrian
Mobile applications must operate in environments in which the network connectivity, input/output devices, power and contextual information available to them may all vary. Applications which react to...
Distributed Systems Support for Mobile Applications (1995)
Future computer environments will include mobile computers which will either be disconnected, weakly interconnected by low speed wireless networks such as GSM, or fully interconnected by high speed...
A Network Emulator To Support The Development Of Adaptive Applications (1995)
Nigel Davies, Gordon S. Blair, Keith Cheverst, Adrian Friday
Mobile applications must operate in environments in which the network connectivity, input/output devices, power and contextual information available to them may all vary. Applications which react to...
Supporting Collaborative Applications In A Heterogeneous Mobile Environment (1995)
Nigel Davies, Gordon S. Blair, Keith Cheverst, Adrian Friday, La Yr
This paper describes the implementation and use of a platform designed to support collaborative multimedia applications in a mobile environment. The platform provides a programming interface...
Maximum Likelihood Trees from DNA Sequences: A Peculiar Statistical Estimation Problem (1995)
Yang, Ziheng, Goldman, Nick, Friday, Adrian
The parameter space of the phylogenetic tree estimation problem consists of three components, T, t, and θ. The tree topology T is a discrete entity that is not a proper statistical parameter but...
Supporting Adaptive Services in a Heterogeneous Mobile Environment (1994)
Davies, Nigel, Blair, Gordon S., Cheverst, Keith, Friday, Adrian
Future computer environments will include mobile computers which will either be disconnected, weakly interconnected by low-speed wireless networks such as GSM (global system for mobile...
Moving the 'Desktop' Into the Field (1994)
Cheverst, Keith, Blair, Gordon S., Davies, Nigel, Friday, Adrian, Cross, Andrew D., Raven, Peter F.
The electricty industry, as other utilities, is concerned with the management of large scale distribution networks. These networks have been developing for more than a century and the methods for...
Mobile Open Systems Technologies For The Utilities Industries (1993)
Davies, Nigel, Blair, Gordon S., Friday, Adrian, Cross, Andrew D., Raven, Peter F.
Supporting Adaptive Services in a Heterogeneous Mobile Environment
Nigel Davies, Gordon S. Blair, Keith Cheverst, Adrian Friday, La Yr
Future computer environments will include mobile computers which will either be disconnected, weakly interconnected by low speed wireless networks such as GSM, or fully inter-connected by high speed...
A CORBA-based Proxy Architecture for Mobile Multimedia Applications
Jochen Seitz, Nigel Davies, Michael Ebner, Adrian Friday
: In many cases users of mobile computers wish to have the same applications running and to have access to the same information as they would when connected to a fixed network. Such transparency is...
Supporting Adaptive Services in a Heterogeneous Mobile Environment
Nigel Davies Gordon, Gordon S. Blair, Keith Cheverst, Adrian Friday, La Yr
Future computer environments will include mobile computers which will either be disconnected, weakly interconnected by low speed wireless networks such as GSM, or fully inter-connected by high speed...
An Asynchronous Distributed Systems Platform For Heterogeneous Environments
Nigel Davies, Adrian Friday, Stephen P. Wade, Gordon S. Blair
Since its introduction over a decade ago the tuple space paradigm has attracted interest from the distributed systems community. Despite being developed for shared memory parallel architectures, the...