Comment-based Concept Location over System Dependency Graphs

Authors Nuno Pereira, Maria João Varanda Pereira, Pedro Rangel Henriques

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Nuno Pereira
Maria João Varanda Pereira
Pedro Rangel Henriques

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Nuno Pereira, Maria João Varanda Pereira, and Pedro Rangel Henriques. Comment-based Concept Location over System Dependency Graphs. In 3rd Symposium on Languages, Applications and Technologies. Open Access Series in Informatics (OASIcs), Volume 38, pp. 51-58, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2014)


Software maintenance is one of the most expensive phases of software development and understanding a program is one of the most important tasks of software maintenance. Before making the change to the program, software engineers need to find the location, or locations, where the changes will be made, they need to understand the program. Real applications are huge, sometimes old, were written by other person and it is difficult to find the location of the instructions related to a specific problem domain concept. There are various techniques to find these locations minimizing the time spent, but this stage of software development continues to be one of the most expensive and longer. The concept location is a crucial task for program understanding. This paper presents a project whose main objective is to explore and combine two Program Comprehension techniques: visualization of the system dependency graph and concept location over source code comments. The idea is to merge both features in order to perform concept location in system dependency graphs. More than locate a set of hot instructions (based on the associated comments) it will allow to detect the other instructions (the whole method).
  • program comprehension
  • concept location
  • comment analysis
  • system dependency graph


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