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Reusing APIs of existing libraries is a common practice during software development, but searching suitable APIs and their usages can be time-consuming 6. In this paper, we study a new and more practical approach to help users find usages of APIs given only simple text phrases, when users have limited knowledge about an API library. We model API invocations as an API graph and aim to find an optimum connected subgraph that meets users' search needs.
Chan et al. (2012) studied this question.