Are Neural Language Models Good Plagiarists? A Benchmark for Neural Paraphrase Detection

Neural language models such as BERT allow for human-like text paraphrasing. This ability threatens academic integrity, as it aggravates identifying machine-obfuscated plagiarism. We make two contributions to foster the research on detecting these novel machine-paraphrases. First, we provide the firs...

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Bibliographic Details
Published in:2021 ACM/IEEE Joint Conference on Digital Libraries (JCDL) pp. 226 - 229
Main Authors: Wahle, Jan Philip, Ruas, Terry, Meuschke, Norman, Gipp, Bela
Format: Conference Proceeding
Language:English
Published: IEEE 01.09.2021
Subjects:
Benchmark testing
BERT
Bit error rate
Codes
Encyclopedias
Paraphrase detection
Plagiarism
Semantics
Transformers
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Summary:Neural language models such as BERT allow for human-like text paraphrasing. This ability threatens academic integrity, as it aggravates identifying machine-obfuscated plagiarism. We make two contributions to foster the research on detecting these novel machine-paraphrases. First, we provide the first large-scale dataset of documents paraphrased using the Transformer-based models BERT, RoBERTa, and Longformer. The dataset includes paragraphs from scientific papers on arXiv, theses, and Wikipedia articles and their paraphrased counterparts (1.5M paragraphs in total). We show the paraphrased text maintains the semantics of the original source. Second, we benchmark how well neural classification models can distinguish the original and paraphrased text. The dataset and source code of our study are publicly available.
DOI:10.1109/JCDL52503.2021.00065