CrossRec: Supporting software developers by recommending third-party libraries

Phuong T. Nguyen

doi:10.1016/j.jss.2019.110460

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CrossRec: Supporting software developers by recommending third-party libraries

2020-03-01

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Phuong T. Nguyen

Juri Di Rocco

Davide Di Ruscio *

Massimiliano Di Penta

DOI：10.1016/j.jss.2019.110460

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Abstract

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When creating a new software system, or when evolving an existing one, developers do not reinvent the wheel but, rather, seek available libraries that suit their purpose. In such a context, open source software repositories contain rich resources that can provide developers with helpful advice to support their tasks. However, the heterogeneity of resources and the dependencies among them are the main obstacles to the effective mining and exploitation of the available data. In this sense, advanced techniques and tools are needed to mine the metadata to bring in meaningful recommendations. In this paper, we present CrossRec, a recommender system to assist open source software developers in selecting suitable third-party libraries. CrossRec exploits a collaborative filtering technique to recommend libraries to developers by relying on the set of dependencies, which are currently included in the project being developed. We perform an empirical evaluation to compare the proposed approach with three state-of-the-art baselines, i.e., LibRec, LibFinder, and LibCUP on three considerably large datasets. The experimental results show that CrossRec overcomes the limitation of the baselines by recommending also libraries with a specific version. More importantly, it outperforms LibRec and LibCUP with respect to various quality metrics. (C) 2019 Elsevier Inc. All rights reserved.

Keywords:

Mining software repositories

Recommender systems

Open Source software

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