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Pseudo-Labeling Domain Adaptation Using Multi-Model Learning
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DOI：10.1109/ACCESS.2025.3547813.png)
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摘要
En 中文
With the constant growth of state-of-the-art models, obtaining sufficient labeled data to train these models for specific domains has become increasingly costly. Domain adaptation methods offer a potential solution to enhance model performance in new, unseen domains while minimizing the need for manual annotation of target domain. Despite recent advances in using pseudo-labeling for domain adaptation, significant challenges remain in maximizing the effectiveness of pseudo-labeling, particularly when aiming to create informative and interpretable representations from pseudo-labels. To address these challenges, we introduce the method Pseudo-labeling Domain Adaptation (PDA), which leverages pseudo-labels generated by multiple models to create a robust cross-domain representation. Additionally, to further mitigate the domain-shift problem, we propose a novel method called UMAP Domain Adaptation (UMAP DA), a UMAP-based technique that allows for connections only between nodes from different domains. We use these representations to construct a heterogeneous bipartite graph, where a neural network is employed for final classification. Experiments on six different datasets show an average F1-score improvement of 8 points, measuring the harmonic mean of precision and recall, compared to existing methods in the literature. The proposed method enhances both performance and interpretability, offering a new direction for cross-domain learning with pseudo-labels.
Keyword:
Adaptation models
Data models
Training
Predictive models
Graph neural networks
Feature extraction
Bipartite graph
Text categorization
Solid modeling
Data visualization
Domain adaptation
graph neural networks
interpretability
pseudo-labeling
