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Displaying 1-33 out of 33 total
Managing Heterogeneous Data Flows in Wireless Sensor Networks Using a ?Split Personality? Mote Platform
Found in: Applications and the Internet, IEEE/IPSJ International Symposium on
By Danny Hughes, Mickaël Daudé, Geoff Coulson, Gordon Blair, Paul Smith, Keith Beven, Wlodek Tych
Issue Date:August 2008
pp. 145-148
Remote sensing applications are increasingly making use of sensors that generate demanding data flows (e.g. digital imaging devices). This paper presents the design of GridStix 1.5, a novel wireless sensor network platform that offers alternative high-perf...
 
Genie
Found in: Software Engineering, International Conference on
By Nelly Bencomo, Paul Grace, Carlos Flores, Danny Hughes, Gordon Blair
Issue Date:May 2008
pp. 811-814
Engineering adaptive software is an increasingly complex task. Here, we demonstrate Genie, a tool that supports the modelling, generation, and operation of highly reconfigurable, component-based systems. We showcase how Genie is used in two case-studies: i...
 
Goal-Based Modeling of Dynamically Adaptive System Requirements
Found in: Engineering of Computer-Based Systems, IEEE International Conference on the
By Heather J. Goldsby, Pete Sawyer, Nelly Bencomo, Betty H.C. Cheng, Danny Hughes
Issue Date:April 2008
pp. 36-45
Self-adaptation is emerging as an increasingly important capability for many applications, particularly those deployed in dynamically changing environments, such as ecosystem monitoring and disaster management. One key challenge posed by Dynamically Adapti...
 
On the Penetration of Business Networks by P2P File Sharing
Found in: Internet Monitoring and Protection, International Conference on
By Kevin Lee, Danny Hughes, James Walkerdine
Issue Date:July 2007
pp. 23
P2P file-sharing poses a number of problems for system administrators including unpredictable network usage, increased vulnerability to security threats and the danger of legal action. Due to these problems, many businesses take measures to restrict the us...
 
An Open Tracing System for P2P File Sharing Systems
Found in: Internet and Web Applications and Services, International Conference on
By Danny Hughes, James Walkerdine, Kevin Lee
Issue Date:May 2007
pp. 3
This paper describes the Open P2P tracing system which aims to improve the research community?s understanding of P2P file sharing systems by providing continuous and up-to-date traffic data which is anonymized and made freely accessible to all interested p...
 
Monitoring Challenges and Approaches for P2P File-Sharing Systems
Found in: Internet Surveillance and Protection, International Conference on
By Danny Hughes, James Walkerdine, Kevin Lee
Issue Date:August 2006
pp. 18
Since the release of Napster in 1999, P2P file-sharing has enjoyed a dramatic rise in popularity. A 2000 study by Plonka on the University of Wisconsin campus network found that file-sharing accounted for a comparable volume of traffic to HTTP, while a 200...
 
GridStix: Supporting Flood Prediction using Embedded Hardware and Next Generation Grid Middleware
Found in: A World of Wireless, Mobile and Multimedia Networks, International Symposium on
By Danny Hughes, Phil Greenwood, Geoff Coulson, Gordon Blair
Issue Date:June 2006
pp. 621-626
The cost of damage caused by flooding is directly related to the warning-time given before a flood occurs. Therefore, improving the coverage, accuracy and reliability of flood prediction systems is of great importance. This paper proposes a novel Grid-base...
 
User-Rank: Generic Query Optimization for Participatory Social Applications
Found in: 2014 47th Hawaii International Conference on System Sciences (HICSS)
By Danny Hughes,Caren Crowley,Wilfried Daniels,Rafael Bachiller,Wouter Joosen
Issue Date:January 2014
pp. 1874-1883
Online social networks have become a key communication medium for millions of Internet users. Building on this success a new class of social applications have emerged that use online social networks as a platform to access an established community of users...
   
Analysis of Sensor Network Operating System Performance Throughout the Software Life Cycle
Found in: 2013 IEEE 12th International Symposium on Network Computing and Applications (NCA)
By Gowri Sankar Ramachandran,Sam Michiels,Wouter Joosen,Danny Hughes,Barry Porter
Issue Date:August 2013
pp. 211-218
Wireless Sensor Networks (WSN) are evolving beyond research prototypes towards real world deployments in various application domains. While prior research has resulted in a range of operating systems and associated programming languages, a comprehensive em...
 
Composition-Safe re-parametrization in Distributed Component-based WSN Applications
Found in: 2013 IEEE 12th International Symposium on Network Computing and Applications (NCA)
By Wilfried Daniels,Pedro Javier Del Cid,Danny Hughes,Sam Michiels,Chris Blondia,Wouter Joosen
Issue Date:August 2013
pp. 153-156
Contemporary Wireless Sensor Networks like Smart Offices and Smart Cities are evolving to become multi-purpose application hosting platforms. These WSN platforms can simultaneously support multiple applications which may be managed by multiple actors. Reco...
 
ACS: Specifying "Smart" Applications Using Sense-Process-Consume Flows
Found in: 2013 IEEE 12th International Symposium on Network Computing and Applications (NCA)
By Pedro Javier Del Cid,Nelson Matthys,Danny Hughes,Sam Michiels,Wouter Joosen
Issue Date:August 2013
pp. 251-254
Smart applications enable pervasive and informed interactions between the physical and digital worlds. These applications are deployed on resource constrained wireless sensor networks and are commonly implemented using software modularization schemes such ...
 
StIgMa: Status information management for evolvable wireless sensor networks
Found in: 2012 IEEE 3rd International Conference on Networked Embedded Systems for Every Application (NESEA)
By Klaas Thoelen,Danny Hughes,Sam Michiels,Wouter Joosen
Issue Date:December 2012
pp. 1-7
The application of run-time evolvable software stacks promises an increase in the lifetime of wireless sensor network deployments. Besides supporting changing application requirements, said systems allow the underlying platforms to adapt to new environment...
 
Exploiting safe parallelism in Wireless Sensor Networks: A generic and reconfigurable approach
Found in: 2012 IEEE 3rd International Conference on Networked Embedded Systems for Every Application (NESEA)
By Jo Ueyama,Danny Hughes,Paul Grace,Edmundo R. M. Madeira
Issue Date:December 2012
pp. 1-7
The deployment of complex, multi-threaded sensor network applications is growing rapidly (e.g there are dual-core sensor mote platforms such as the Microsoft m-platform). This paper argues that parallelism can benefit networked sensors, particularly if it ...
 
Enabling Massive Scale Sensing with the @LooCI Mobile Sensing Framework
Found in: 2012 IEEE 15th International Conference on Computational Science and Engineering (CSE)
By Rafael Bachiller,Danny Hughes,Sam Michiels,Wouter Joosen
Issue Date:December 2012
pp. 461-468
21st century objectives such as smart cities require sensing at massive scale. To cost effectively realize massive-scale sensor networks, we advocate for the integration of purpose-deployed sensor networks with consumer mobile devices such as smart phones ...
 
Using Constraint Programming to Manage Configurations in Self-Adaptive Systems
Found in: Computer
By Pete Sawyer,Raúl Mazo,Daniel Diaz,Camille Salinesi,Danny Hughes
Issue Date:October 2012
pp. 56-63
Combining goal-modeling techniques with constraint programming provides the means to identify the variants best suited to the environmental contexts that a self-adaptive software system might encounter at runtime. The Web extra at http://youtu.be/q-oheenSq...
 
LooCI: The Loosely-coupled Component Infrastructure
Found in: 2012 IEEE 11th International Symposium on Network Computing and Applications (NCA)
By Danny Hughes,Klaas Thoelen,Jef Maerien,Nelson Matthys,Wouter Horre,Javier Del Cid,Christophe Huygens,Sam Michiels,Wouter Joosen
Issue Date:August 2012
pp. 236-243
Creating and managing applications for Wireless Sensor Networks (WSNs) is complicated by large scale, resource constraints and network dynamics. Reconfigurable component models minimize these complexities throughout the application lifecycle. However, cont...
 
A Component and Policy-Based Approach for Efficient Sensor Network Reconfiguration
Found in: 2012 IEEE International Symposium on Policies for Distributed Systems and Networks - POLICY
By Nelson Matthys,Christophe Huygens,Danny Hughes,Sam Michiels,Wouter Joosen
Issue Date:July 2012
pp. 53-60
Contemporary wireless sensor network deployments are long-lived, large scale and resource constrained. Longevity demands mechanisms that support reconfiguration to meet changing application requirements, large scale demands high-level abstractions to suppo...
 
Eliminating implicit dependencies in component models
Found in: Networked Embedded Systems for Enterprise Applications, IEEE International Conference on
By Wouter Horre,Danny Hughes,Ka Lok Man,Steven Guan,Binbin Qian,Tianlin Yu,Haofan Zhang,Zhun Shen,Michel Schellekens,Steve Hollands
Issue Date:December 2011
pp. 1-6
A software component is defined as a unit of composition with contractually specified interfaces and explicit dependencies that may be independently deployed. Components form generic, re-usable software building blocks, which can be composed into applicati...
 
Modeling and Analysis of Radiation Therapy System with Respiratory Compensation Using Uppaal
Found in: Parallel and Distributed Processing with Applications Workshops, IEEE International Symposium on
By Ka Lok Man, Tomas Krilavicius, Kaiyu Wan, Danny Hughes, Kevin Lee
Issue Date:May 2011
pp. 50-54
The goal of radiation therapy is to give as much dose as possible to the exact target location and minimizing any dose to a normal tissue. Advances of Cyber-physical control systems allow planning and provide very accurate treatments. However, the current ...
 
Sensor Middleware to Support Diverse Data Qualities
Found in: Information Technology: New Generations, Third International Conference on
By Pedro Javier del Cid, Nelson Matthys, Christophe Huygens, Sam Michiels, Wouter Joosen, Danny Hughes
Issue Date:April 2011
pp. 673-676
Wireless Sensor Network (WSN) applications are traditionally developed on a per-case basis, offering very little reusability or extensibility. Any runtime variability in required data quality is at best addressed by parameterization, reconfiguration and re...
 
System Architecture Directions for Tangible Cloud Computing
Found in: Cryptography, and Network Security, Data Mining and Knowledge Discovery, E-Commerce and Its Applications, and Embedded Systems, IACIS International Symposium on
By Kevin Lee, Danny Hughes
Issue Date:October 2010
pp. 258-262
The field of wireless sensor networks has produced a range of supporting hardware and software technologies that facilitate the creation of sensor network applications. Despite these advances, the implementation of wireless sensor network applications rema...
 
Applying a Multi-paradigm Approach to Implementing Wireless Sensor Network Based River Monitoring
Found in: Cryptography, and Network Security, Data Mining and Knowledge Discovery, E-Commerce and Its Applications, and Embedded Systems, IACIS International Symposium on
By Jo Ueyama, Danny Hughes, Ka Lok Man, Sheng-Uei Guan, Nelson Matthys, Wouter Horré, Sam Michiels, Christophe Huygens, Wouter Joosen
Issue Date:October 2010
pp. 187-191
This paper describes the application of the DisSeNT middleware to implement Wireless Sensor Network based river monitoring. DisSeNT provides LooCI, an efficient run-time reconfigurable component model, PMA, a lightweight policy-based management framework a...
 
Streamlining Development for Networked Embedded Systems Using Multiple Paradigms
Found in: IEEE Software
By Christophe Huygens, Danny Hughes, Bert Lagaisse, Wouter Joosen
Issue Date:September 2010
pp. 45-52
Limitations on networked embedded systems imposed by mobility and adaptation scenarios amid scarce energy and system resources mandate optimization throughout the hardware-software life cycle. Deployment, operational activities, and maintenance require sof...
 
QARI: Quality Aware Software Deployment for Wireless Sensor Networks
Found in: Information Technology: New Generations, Third International Conference on
By Wouter Horré, Sam Michiels, Wouter Joosen, Danny Hughes
Issue Date:April 2010
pp. 642-647
If we are to deploy sensor applications in a realistic business context, we must provide innovative middleware services to control and enforce required system behavior; in order to correctly interpret collected temperature data, for example, sensor applica...
 
A Wireless Sensor Network Based Green Marketplace for Electrical Appliances
Found in: Future Networks, International Conference on
By Danny Hughes, Ka Lok Man, Kevin Lee, Jo Ueyama
Issue Date:January 2010
pp. 299-303
Wireless sensor and actuator networks are a promising tool to support energy monitoring and conservation. However, to date, research in this area has focused upon supporting infrastructure managers, while failing to consider the important role of appliance...
 
A Graph Based Approach to Supporting Reconfiguration in Wireless Sensor Networks
Found in: Networks & Communications, International Conference on
By Wouter Horré, Kevin Lee, Danny Hughes, Sam Michiels, Wouter Joosen
Issue Date:December 2009
pp. 326-331
Considerable research has been performed in applying run-time reconfigurable component models to wireless sensor networks. The ability to dynamically deploy or update software components has clear advantages in sensor network deployments, which are typical...
 
The Effect of Viral Media on Business Usage of P2P
Found in: Peer-to-Peer Computing, IEEE International Conference on
By Danny Hughes, James Walkerdine, Kevin Lee
Issue Date:September 2007
pp. 249-250
P2P file-sharing poses a number of serious problems for business network administrators including: unpredictable network usage, increased vulnerability to security threats and the danger of legal action. Due to these problems, most businesses attempt to re...
 
Users as reconfigurable elements in distributed sensing applications
Found in: Proceedings of the 7th International Workshop on Middleware Tools, Services and Run-Time Support for Sensor Networks (MidSens '12)
By Danny Hughes, Rafael Bachiller, Sam Michiels, Wouter Joosen
Issue Date:December 2012
pp. 1-6
Next generation sensing applications will be large-scale with multiple human actors, including: administrators, application developers, participatory sensing volunteers and consumers of sensor data. In these sensing scenarios, both human actors and softwar...
     
Building smart environments with LooCI
Found in: Proceedings of the Posters and Demo Track (Middleware '12)
By Danny Hughes, Javier Del Cid, Rafael Bachiller, Sam Michiels, Wouter Joosen
Issue Date:December 2012
pp. 1-2
Smart environments such as smart offices are multi-user, heterogeneous and dynamic. Dynamism arises because each user is likely to have different application requirements and both users and devices may join and leave the system at runtime. Heterogeneity ar...
     
Flexible integration of data qualities in wireless sensor networks
Found in: Proceedings of the 4th International Workshop on Middleware Tools, Services and Run-Time Support for Sensor Networks (MidSens '09)
By Christophe Huygens, Danny Hughes, Nelson Matthys, Sam Michiels, Wouter Joosen
Issue Date:December 2009
pp. 31-36
Wireless sensor networks have been confirmed as a valuable asset to deploy in an increasing number of real-world business scenarios. The existence of several run-time reconfigurable component models for networked embedded systems facilitates this as they e...
     
Exploiting extreme heterogeneity in a flood warning scenario using the Gridkit middleware
Found in: Proceedings of the ACM/IFIP/USENIX international middleware conference companion on Middleware '08 Companion (Companion '08)
By Barry Porter, Danny Hughes, Geoff Coulson, Gordon Blair, Nelly Bencomo, Paul Grace
Issue Date:December 2008
pp. 31-36
This demonstration showcases the Gridkit middleware in a flood monitoring and warning scenario. Gridkit provides the services required to support wireless sensor network based environmental monitoring and also hosts lightweight hydraulic models which are u...
     
Genie: supporting the model driven development of reflective, component-based adaptive systems
Found in: Proceedings of the 13th international conference on Software engineering (ICSE '08)
By Carlos Flores, Danny Hughes, Gordon Blair, Nelly Bencomo, Paul Grace
Issue Date:May 2008
pp. 1-1
Engineering adaptive software is an increasingly complex task. Here, we demonstrate Genie, a tool that supports the modelling, generation, and operation of highly reconfigurable, component-based systems. We showcase how Genie is used in two case-studies: i...
     
Experiences with open overlays: a middleware approach to network heterogeneity
Found in: Proceedings of the 3rd ACM SIGOPS/EuroSys European Conference on Computer Systems 2008 (Eurosys '08)
By Barry Porter, Danny Hughes, Francois Taiani, Geoff Coulson, Gordon S. Blair, Paul Grace
Issue Date:April 2008
pp. 19-23
In order to provide an increasing number of functionalities and benefit from sophisticated and application-tailored services from the network, distributed applications are led to integrate an ever-widening range of networking technologies. As these applica...
     
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