Regularized Conditional Alignment for Multi-Domain Text Classification

• URL: http://arxiv.org/abs/2312.11572v1
• Date: Mon, 18 Dec 2023 05:52:05 GMT
• Title: Regularized Conditional Alignment for Multi-Domain Text Classification
• Authors: Juntao Hu, Yuan Wu
• Abstract summary: We propose a method called Regularized Conditional Alignment (RCA) to align the joint distributions of domains and classes. We employ entropy minimization and virtual adversarial training to constrain the uncertainty of predictions pertaining to unlabeled data. Empirical results on two benchmark datasets demonstrate that our RCA approach outperforms state-of-the-art MDTC techniques.
• Score: 6.629561563470492
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The most successful multi-domain text classification (MDTC) approaches employ the shared-private paradigm to facilitate the enhancement of domain-invariant features through domain-specific attributes. Additionally, they employ adversarial training to align marginal feature distributions. Nevertheless, these methodologies encounter two primary challenges: (1) Neglecting class-aware information during adversarial alignment poses a risk of misalignment; (2) The limited availability of labeled data across multiple domains fails to ensure adequate discriminative capacity for the model. To tackle these issues, we propose a method called Regularized Conditional Alignment (RCA) to align the joint distributions of domains and classes, thus matching features within the same category and amplifying the discriminative qualities of acquired features. Moreover, we employ entropy minimization and virtual adversarial training to constrain the uncertainty of predictions pertaining to unlabeled data and enhance the model's robustness. Empirical results on two benchmark datasets demonstrate that our RCA approach outperforms state-of-the-art MDTC techniques.

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