Feature Location using Probabilistic Ranking of Methods based on Execution Scenarios and Information Retrieval. Poshyvanyk, D., Gu�h�neuc, Y., Marcus, A., Antoniol, G., & Rajlich, V. Transactions on Software Engineering (TSE), 33(6):420–432, IEEE CS Press, June, 2007. 14 pages.
Feature Location using Probabilistic Ranking of Methods based on Execution Scenarios and Information Retrieval [pdf]Paper  abstract   bibtex   
This paper recasts the problem of feature location in source code as a decision-making problem in the presence of uncertainty. The solution to the problem is formulated as a combination of expert opinions. The experts in this case are represented by two existing techniques for feature location: Scenario-based Probabilistic Ranking of events and an Information Retrieval-based technique that uses Latent Semantic Indexing. The combination of these two methods is empirically evaluated through several case studies. The case studies use the source code of the Mozilla web browser and the Eclipse integrated development environment. The results show that the combined technique significantly improves the effectiveness of feature location when compared to each of the techniques used independently.

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