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  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 4 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_filter.inc(82) : runtime-created function).
  • Strict warning: Only variables should be passed by reference in __lambda_func() (line 3 of /home/isr-dru/sites/isr.uci.edu/modules/views_php/plugins/views/views_php_handler_area.inc(39) : runtime-created function).
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Projects Active in 2010

In the era of big data and personalization, websites and (mobile) applications collect an increasingly large amount of personal information about their users. The large majority of users decide to disclose some but not all information that is requested from them. They trade off the anticipated benefits with the privacy risks of disclosure, a decision process that has been dubbed privacy calculus. Such decisions are inherently difficult though, because they may have uncertain repercussions later on that are difficult to weigh against the (possibly immediate) gratification of disclosure. How can we help users to balance the benefits and risks of information disclosure in a user-friendly manner, so that they can make good privacy decisions?

Project Dates: 
September 2010

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

Research shows that sharing one’s location can help people stay connected, coordinate daily activities, and provide a sense of comfort and safety [1]. Recently, smartphones and location-based services (LBS) have become widely available in developed countries [7], but only a small percentage of smartphone users have ever tried sharing lo­cation with other people [8]. Our work aims to understand real-world factors shaping behaviors and attitudes towards social location-sharing, especially in regards to why people avoid or abandon the technology, or limit their usage.

Research Area(s): 
Project Dates: 
May 2009

One of the many challenges of software development and maintenance is the need to collaborate among many constituents and stakeholders. For example, clients interact with software development organizations; software-development organizations consist of many developers and maintainers within the same location and across different locations; and the development organization often outsources some of the testing efforts to independent test agencies. Each of these parties may reside in different locations, often across many very disparate time zones.

Project Dates: 
May 2009

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

This research focuses on techniques for identifying and reducing the costs, streamlining the process, and improving the readiness of future workforce for the acquisition of complex software systems. Emphasis is directed at identifying, tracking, and analyzing software component costs and cost reduction opportunities within acquisition life cycle of open architecture (OA) systems, where such systems combine best-of-breed software components and software products lines (SPLs) that are subject to different intellectual property (IP) license requirements.

Research Area(s): 
Project Dates: 
October 2007

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.

Project Dates: 
July 2007

We developed techniques for clustering of failures. Failure-clustering techniques attempt to categorize failing test cases according to the bugs that caused them. Test cases are clustered by utilizing their execution profiles (gathered from instrumented versions of the code) as a means to encode the behavior of those executions. Such techniques can offer suggestions for duplicate submissions of bug reports.

Research Area(s): 
Project Dates: 
July 2007

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