Posts by Collection


Understanding the use of lambda expressions in Java

Published in OOPSLA, 2017

Received the Distinguihsed Artifact Award

Recommended citation: Davood Mazinanian, Ameya Ketkar, Nikolaos Tsantalis, and Danny Dig. 2017. Understanding the use of lambda expressions in Java. Proc. ACM Program. Lang. 1, OOPSLA, Article 85 (October 2017), 31 pages. DOI:

Type Migration in Large-Scale Codebases

Published in FSE- Microsoft Student Research Competition, 2018

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Recommended citation: Ameya Ketkar. 2018. Type migration in large-scale code bases. In Proceedings of the 2018 26th ACM Joint Meeting on European Software Engineering Conference and Symposium on the Foundations of Software Engineering (ESEC/FSE 2018). Association for Computing Machinery, New York, NY, USA, 965–967. DOI:

Type Migration in Ultra-Large-Scale Codebases

Published in ICSE, 2019

The patches generated by T2R were accepted at Google and by highly rated open source projects like Cassandra, SonarQube, PrestoDB and Stanford CoreNLP.

Recommended citation: A. Ketkar, A. Mesbah, D. Mazinanian, D. Dig and E. Aftandilian, "Type Migration in Ultra-Large-Scale Codebases," 2019 IEEE/ACM 41st International Conference on Software Engineering (ICSE), Montreal, QC, Canada, 2019, pp. 1142-1153, doi: 10.1109/ICSE.2019.00117.

Understanding Software-2.0

Published in TOSEM, 2020

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Recommended citation: Malinda Dilhara, Ameya Ketkar, and Danny Dig. 2021. Understanding Software-2.0: A Study of Machine Learning Library Usage and Evolution. ACM Trans. Softw. Eng. Methodol. 30, 4, Article 55 (July 2021), 42 pages. DOI:

RefactoringMiner 2.0

Published in TSE, 2020

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Recommended citation: Nikolaos Tsantalis, Ameya Ketkar, and Danny Dig, "RefactoringMiner 2.0," IEEE Transactions on Software Engineering, 2020. DOI: 10.1109/TSE.2020.3007722

Towards Automating Type Changes

Published in Phd Dissertation - Oregon State University, 2021

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Recommended citation: Ketkar, Ameya S. Towards Automating Type Changes. : Oregon State University, 2021. URL: