A brief survey of program slicing
ACM SIGSOFT Software Engineering Notes
Program slice distribution functions
Winter Simulation Conference
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Software engineers face a wide range of difficult tasks. Understanding semantic relationships, such as the semantic differences between two programs, should aid a software engineer address many of these tasks. A series of experiments was conducted with an implementation of a semantic differencing algorithm for the C language. Sixty-three subjects participated in two controlled experiments. There is evidence that the experimental group, which had access to semantic differences, performed significantly faster ( p =0.023) and more accurately ( p =0.047) than the control group. The study provides empirical support to the assertion that semantic information assists program comprehension.