Improving Authorship Verification using Linguistic Divergence

• URL: http://arxiv.org/abs/2103.07052v1
• Date: Fri, 12 Mar 2021 03:01:17 GMT
• Title: Improving Authorship Verification using Linguistic Divergence
• Authors: Yifan Zhang, Dainis Boumber, Marjan Hosseinia, Fan Yang, Arjun Mukherjee
• Abstract summary: We propose an unsupervised solution to the Authorship Verification task that utilizes pre-trained deep language models. The proposed metric is a measure of the difference between the two authors comparing against pre-trained language models.
• Score: 6.673132899229721
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: We propose an unsupervised solution to the Authorship Verification task that utilizes pre-trained deep language models to compute a new metric called DV-Distance. The proposed metric is a measure of the difference between the two authors comparing against pre-trained language models. Our design addresses the problem of non-comparability in authorship verification, frequently encountered in small or cross-domain corpora. To the best of our knowledge, this paper is the first one to introduce a method designed with non-comparability in mind from the ground up, rather than indirectly. It is also one of the first to use Deep Language Models in this setting. The approach is intuitive, and it is easy to understand and interpret through visualization. Experiments on four datasets show our methods matching or surpassing current state-of-the-art and strong baselines in most tasks.

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