Inter-Project Functional Clone Detection Toward Building Libraries - An Empirical Study on 13,000 Projects

Libraries created from commonly used functionalities offer a variety of benefits to developers. To locate such widely used functionalities, clone detection on a large corpus of source code could be useful. However, existing clone detection techniques did not address the creation of libraries. Theref...

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Main Authors: Ishihara, T., Hotta, K., Higo, Y., Igaki, H., Kusumoto, S.
Format: Conference Proceeding
Language:eng ; jpn
Subjects:
Buildings
Clone detection
Cloning
Huge data set
Java
Libraries
Library building
Measurement
Software systems
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creator Ishihara, T.
Hotta, K.
Higo, Y.
Igaki, H.
Kusumoto, S.
description Libraries created from commonly used functionalities offer a variety of benefits to developers. To locate such widely used functionalities, clone detection on a large corpus of source code could be useful. However, existing clone detection techniques did not address the creation of libraries. Therefore, existing clone detectors are sometimes unbefitting to detect candidates to be included in libraries. This paper proposes a method-based clone detection technique focusing on building libraries. This method-level granularity is appropriate for building libraries because a method composes a functionally coherent unit, and so it can be easily pulled up into libraries. Also, such a granularity realizes a scalable detection on huge data sets. Our experimental results on a huge data set (360 million lines of code, 13,000 projects) showed that the proposed technique could detect functional clones which might be beneficial on the creation of libraries within a short time frame.
doi_str_mv 10.1109/WCRE.2012.48
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Buildings
Clone detection
Cloning
Huge data set
Java
Libraries
Library building
Measurement
Software systems
title Inter-Project Functional Clone Detection Toward Building Libraries - An Empirical Study on 13,000 Projects
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