Cited by 184Software Engineering ResearchTopic ModelingNatural Language Processing Techniques

Big code != big vocabulary: open-vocabulary models for source code

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Karampatsis, Rafael-Michael, Babii, Hlib, Robbes, Romain, Sutton, Charles, Janes, Andrea·2020·Proceedings of the ACM/IEEE 42nd International Conference on Software Engineering

Abstract

Statistical language modeling techniques have successfully been applied to large source code corpora, yielding a variety of new software development tools, such as tools for code suggestion, improving readability, and API migration. A major issue with these techniques is that code introduces new vocabulary at a far higher rate than natural language, as new identifier names proliferate. Both large vocabularies and out-of-vocabulary issues severely affect Neural Language Models (NLMs) of source code, degrading their performance and rendering them unable to scale.

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Research works printed but not linked: 6

  1. Rohan Bavishi, Michael Pradel, and Koushik Sen. 2018. Context2Name: A Deep Learning-Based Approach to Infer Natural Variable Names from Usage Contexts. CoRR abs/1809.05193 (2018). arXiv:1809.05193 · arXiv
  2. Yoshua Bengio, Réjean Ducharme, Pascal Vincent, and Christian Janvin. 2003. A Neural Probabilistic Language Model. J. Mach. Learn. Res. 3 (March 2003), 1137-1155. http://dl.acm.org/citation.cfm?id=944919.944966
  3. James Bradbury, Stephen Merity, Caiming Xiong, and Richard Socher. 2017. Quasi- Recurrent Neural Networks. In Proceedings of ICLR 2017. https://openreview.net/ forum?id=H1zJ-v5xl
  4. Sergey Dudoladov. 2013. Statistical NLP for computer program source code: An information theoretic perspective on programming language verbosity. Master's thesis. School of Informatics, University of Edinburgh, United Kingdom.
  5. Stefan Fiott. 2015. An Investigation of Statistical Language Modelling of Different Programming Language Types Using Large Corpora. Master's thesis. School of Informatics, University of Edinburgh, United Kingdom.
  6. Clara Vania and Adam Lopez. 2017. From Characters to Words to in Between: Do We Capture Morphology?. In Proceedings of ACL 2017. 2016-2027. https: //doi.org/10.18653/v1/P17-1184 · DOI

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Authors
Karampatsis, R.-M., Babii, H., Robbes, R., Sutton, C., & Janes, A.
Affiliations
  • University of Edinburgh (GB)
  • Free University of Bozen-Bolzano (IT)
  • Google (United States) (US)
Venue
Proceedings of the ACM/IEEE 42nd International Conference on Software Engineering
Publisher
ACM
Published
2020-06-27
Pages
1073-1085
ISSN
0270-5257 (ISSN-L)
OpenAlex
W3011564318
Cited by
182
References
91
Citations by year
2026: 3 · 2025: 14 · 2024: 19 · 2023: 26 · 2022: 51 · 2021: 48 · 2020: 20 · 2019: 1
FWCI
27.87
Type
conference paper
Language
en
Open access
Locations
  • ACM/IEEE International Conference on Software Engineering: Companion Proceedings (ICSE-Companion) (publishedVersion, cc-by)
  • arXiv (Cornell University) (submittedVersion)
  • Open Research (University of Surrey) (submittedVersion, cc-by)
  • Edinburgh Research Explorer (University of Edinburgh) (submittedVersion, cc-by)
  • arXiv (Cornell University)
Funders
  • ADVERB
  • IDEALS
  • Engineering and Physical Sciences Research Council (,EP/L016427/1)
Topics
  • Physical Sciences › Computer Science › Information Systems › Software Engineering Research
  • Physical Sciences › Computer Science › Artificial Intelligence › Topic Modeling
  • Physical Sciences › Computer Science › Artificial Intelligence › Natural Language Processing Techniques
Keywords
neural language models, vocabulary size, out-of-vocabulary words, identifier names, code completion, API migration, code readability

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