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During maintenance developers cannot read the entire code of large systems. They need a way to get a quick understanding of source code entities (such as, classes, methods, packages, etc.), so they can efficiently identify and then focus on the ones related to their task at hand. Sometimes reading just a method header or a class name does not tell enough about its purpose and meaning, while reading...
We introduce the notion of "lexicon bad smell", which parallels that of "code smell" and indicates some potential lexicon construction problems that can be addressed through refactoring (e.g., renaming). We created a catalog of lexicon bad smells and we developed a publicly available suite of detectors to locate them. The paper presents a case study in which we used the detectors...
Concept location is a critical activity during software evolution as it produces the location where a change is to start in response to a modification request, such as, a bug report or a new feature request. Lexical-based concept location techniques rely on matching the text embedded in the source code to queries formulated by the developers. The efficiency of such techniques is strongly dependent...
Source code is a mixed software artifact, containing information for both the compiler and the developers. While programming language grammar dictates how the source code is written, developers have a lot of freedom in writing identifiers and comments. These are intentional in nature and become means of communication between developers.The goal of this paper is to analyze how the source code vocabulary...
Information about the problem domain of the software and the solution it implements is often embedded by developers in comments and identifiers. When using software developed by others or when are new to a project, programmers know little about how domain information is reflected in the source code. Programmers often learn about the domain from external sources such as books, articles, etc. Hence,...
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