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The effectiveness of spectrum-based fault localization techniques primarily relies on the accuracy of their fault localization formulas. Theoretical studies prove the relative accuracy orders of selected formulas under certain assumptions, forming a graph of their theoretical accuracy relations. However, it is unclear whether in such a graph the relative positions of these formulas may change when...
Automated analysis and assessment of students' programs, typically implemented in automated program assessment systems (APASs), are very helpful to both students and instructors in modern day computer programming classes. The mainstream of APASs employs a black-box testing approach which compares students' program outputs with instructor-prepared outputs. A common weakness of existing APASs is their...
Spectrum-based fault localization techniques are semi-automated program debugging techniques that address the bottleneck of finding suspicious program locations for diagnosis. They assess the fault suspiciousness of individual program locations based on the code coverage data achieved by executing the program under debugging over a test suite. A program location can be viewed at different abstraction...
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