Overview of PragTag-2023: Low-Resource Multi-Domain Pragmatic Tagging of Peer Reviews
Summary
Most NLP work on peer review has used reviews from machine learning conferences. This raises two concerns: models may fail when applied to other research fields, and labeled review data is scarce and costly to produce. The PragTag-2023 shared task, held at the 10th Workshop on Argument Mining, tested both problems through pragmatic tagging. In this task, each sentence of a review is assigned an argumentative role such as Strength, Weakness or Todo.
Participants trained systems on labeled F1000RD reviews from five scientific domains. They worked under progressively harder data budgets (full, low and zero labeled data) and could optionally draw on unlabeled auxiliary corpora. Scoring used macro-F1 computed per domain and then averaged across domains. A surprise test set of computational linguistics reviews checked generalization to an unseen domain.
Five teams took part. Most fine-tuned BERT-family models, often with ensembling, pseudo-labeling or extra pre-training on the auxiliary data. Some recast the task, for example as question answering. The organizers argue that the competition's main value is this range of explored strategies, and they have released all code and data.
Key points
- Label set: six pragmatic tags from Kuznetsov et al. (2022): Recap, Strength, Weakness, Todo, Other and Structure. Inter-annotator agreement in the original study was about 0.7 Krippendorff's α.
- Core data (F1000RD): 4911 sentences from 224 reviews across five domains (diso, iscb, case, rpkg, scip). The data was split by review into 2326 training and 2585 test sentences. The low-data setting used 33 reviews (739 sentences).
- Secret test domain: 255 sentences from 10 COLING-20 reviews taken from the NLPeer corpus, annotated with α = 0.65 and adjudicated by an expert.
- Auxiliary unlabeled data: F1000Raw contains about 10k reviews of 4.8k papers (3.8M words). ARR-22 contains 684 semi-structured reviews of 476 papers (about 266k words), whose form fields could serve as distant supervision.
- Setup and resources: the task ran on CodaLab with roberta-base and majority-class baselines. Only open-weight models trained without extra pre-training data were allowed. Code and data are available at github.com/UKPLab/pragtag2023.
Cite
@inproceedings{dycke2023overview,
title = {{Overview of PragTag-2023: Low-Resource Multi-Domain Pragmatic Tagging of Peer Reviews}},
author = {Dycke, Nils and Kuznetsov, Ilia and Gurevych, Iryna},
booktitle = {Proceedings of the 10th Workshop on Argument Mining},
year = {2023},
doi = {10.18653/v1/2023.argmining-1.21},
url = {https://doi.org/10.18653/v1/2023.argmining-1.21}
}References
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