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Research Projects

We developed a fault-localization technique that utilized correlation-based heuristics. The technique and tool was called Tarantula.  Tarantula uses the pass/fail statuses of test cases and the events that occurred during execution of each test case to offer the developer recommendations of what may be the faults that are causing test-case failures. The intuition of the approach is to find correlations between execution events and test-case outcomes --- those events that correlate most highly with failure are suggested as places to begin investigation.

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May 2001

Over the last several years we have been studying how digital media affects people’s lives. Rather than bring people into a laboratory, I view the real world as a living laboratory--I go where people live, study, and work, to study them as they go about their normal activities. Digital media use affects people’s mood, stress, and behavior quite significantly. In particular, people experience disruptions when working with digital media due to multi-tasking and interruptions.

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January 2004

Scientists are always working to determine which articles are interesting to them, timely, and relevant to their research. If working in an unfamiliar research area, searching for papers becomes even more difficult. By allowing users to vote on the prominence of links, social news sites like Slashdot, Digg, and reddit.com have addressed the issue of surfacing new and interesting content from across the internet. Moreover, they provide opportunities to provide context and comment on the content.

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October 2013

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

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?

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January 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.

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January 2010

The dynamic nature of markets wherein business relationships are established and dissolved continuously demands systems that can cope with constant change, and do so with security paramount. These relationships are reified as services  that are offered by organizations and used  within a spectrum of domains and use contexts. Current service technologies fail to meet the requirements, however; interfaces are rigid, non-secure, and “one-size-fits-all solutions” which hardly meet the demands of any of its users.

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July 2007

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

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