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Research Projects

Software designers frequently sketch when they design, particularly during the early phases of exploration of a design problem and its solution. In so doing, they shun formal design tools, opting for the whiteboard of pen/paper instead.  Calico is a sketch-based distributed software design tool that supports software designers with a variety of features that improve over the use of just pen-and-paper or a regular whiteboard, and are tailored specifically for early software design on tablets and electronic whiteboards.

Project Dates: 
January 2007

The broad goal of this project is to understand how to combine sustainability knowledge with information and communication technology (ICT) in creating sustainable communities. The Transition Movement is a global social experiment aiming to promote sustainable living and build ecological resilience in the near future at local levels. The Transition movement began in 2005 in Totnes, UK, a market town in South Devon. Today there are about 1000 registered Transition towns in 34 countries.

Project Dates: 
April 2013

Computer games may well be the quintessential domain for software engineering R&D. Why? Modern multi-player online games (MMOG) must address core issues in just about every major area of Computer Science and SE research and education.

Project Dates: 
January 2010

This project describes and documents observational results that arise from the playtesting­-based evaluation of twenty-­six computer games focused on science learning or scientific research. We refer to this little studied genre of computer games as science learning games (SLGs). Our goal was to begin to identify a new set of criteria, play mechanics, and play experiences that give rise to play­-based learning experiences in the realm of different scientific topics.

Project Dates: 
October 2014

When there is a major environmental disruption such as a natural disaster or war, it is not only the technical infrastructure that needs to be repaired but also the human infrastructure. I am currently studying collaboration resilience-the extent to which people continue to work and socialize despite such a disruption. In this project we are examining the role that information technology plays in helping people repair their human infrastructure.

Research Area(s): 
Project Dates: 
January 2008

Given the availability of large-scale source-code repositories, there have been a large number of applications for clone detection. Unfortunately, despite a decade of active research, there is a marked lack in clone detectors that scale to large software repositories. In particular for detecting near-miss clones where significant editing activities may take place in the cloned code.

Project Dates: 
January 2014

The fantasy genre has captivated our attention in popular media for decades, providing us with inspiring imagery of valiant fighters and enchanting spell casters.  Guild Wars 2, a massively multiplayer online game (MMO), introduces a range of races and characters not found in the traditional fantasy genre.  When first experiencing a new fantasy world, does knowledge and information gained from previously consumed media influence players’ interpretations of new fantasy environments?

Research Area(s): 
Project Dates: 
January 2013

Test suites often need to adapt to the software that it is intended to test. The core software changes and grows, and as such, its test suite also needs to change and grow. However, the test suites can often grow so large as to be unmaintainable. We have developed techniques to assist in the maintenance of these test suites, specifically in allowing for test-suite reduction (while preserving coverage adequacy) and test-suite prioritization.

Research Area(s): 
Project Dates: 
May 2001

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