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Megadiff: A Dataset of 600k Java Source Code Changes Categorized by Diff Size

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arxiv 2108.04631 v1 pith:MH54GYJK submitted 2021-08-10 cs.SE

classification cs.SE
keywords codejavamegadiffchangescommitdatasetdiffdiffs
verification ladder T0 review T1 audit T2 compute T3 formal

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This paper presents Megadiff, a dataset of source code diffs. It focuses on Java, with strict inclusion criteria based on commit message and diff size. Megadiff contains 663 029 Java diffs that can be used for research on commit comprehension, fault localization, automated program repair, and machine learning on code changes.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. ContractTrace: Retracing Smart Contract Versions for Security Analyses

    cs.SE 2024-12 conditional novelty 6.0 of 10

    ContractTrace builds smart contract lineages from Ethereum proxy delegatecall records, yielding an open dataset and showing that similarity-based lineage methods achieve low recall.

  2. The Art of Repair: Optimizing Iterative Program Repair with Instruction-Tuned Models

    cs.SE 2025-05 conditional novelty 5.0 of 10

    Using only 1,000 fine-tuning examples with full fine-tuning improves the number of plausible repairs by up to 78%, and iterative generation strategies help base models most on complex benchmarks like Defects4J.

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