Open-Set Semi-Supervised Text Classification via Adversarial Disagreement Maximization (2024.acl-long)
Copied to clipboard
| Challenge: | Open-Set Semi-Supervised Text Classification (OSTC) aims to train a classification model on a limited set of labeled texts along with plenty of unlabeled examples. |
| Approach: | They propose to train a classification model on a limited set of labeled texts alongside plenty of unlabeled examples that include both in-distribution and out-of-difference examples. |
| Outcome: | The proposed model improves on outlier detection and abnormal example detection and calibration. |
Similar Papers
Rank-Aware Negative Training for Semi-Supervised Text Classification (2023.tacl-1)
Copied to clipboard
| Challenge: | Semi-supervised text classification-based paradigms employ the spirit of self-training, but the accuracy of pseudo-labels can be a problem in real-world scenarios. |
| Approach: | They propose a Rank-aware Negative Training framework to address SSTC in noisy label learning . they rank unlabeled texts based on evidential support from the labeled texts. |
| Outcome: | The proposed framework overcomes state-of-the-art alternatives and achieves competitive performance in other scenarios. |
JointMatch: A Unified Approach for Diverse and Collaborative Pseudo-Labeling to Semi-Supervised Text Classification (2023.emnlp-main)
Copied to clipboard
| Challenge: | Existing approaches to semi-supervised text classification suffer from pseudo-label bias and error accumulation. |
| Approach: | They propose a pseudo-labeling approach to semi-supervised text classification that unifies ideas from semi-semi-supervised learning and the task of learning with noise. |
| Outcome: | The proposed approach achieves a significant improvement on benchmark datasets even in the extremely-scarce-label setting. |
Calibrating Pseudo-Labeling with Class Distribution for Semi-supervised Text Classification (2025.emnlp-main)
Copied to clipboard
| Challenge: | Existing studies develop effective pseudo-labeling methods, but they struggle with unlabeled data that have imbalanced classes mismatched with the labeled data. |
| Approach: | They propose to use pseudo-labeling to train text classification models with few labeled data and massive unlabeled data. |
| Outcome: | Empirical results show that the proposed model outperforms state-of-the-art methods on 3 common benchmarks. |
Semi-Supervised Text Classification with Balanced Deep Representation Distributions (2021.acl-long)
Copied to clipboard
| Challenge: | Semi-Supervised Text Classification (SSTC) is a type of self-training that uses labeled and unlabeled data to perform certain applications. |
| Approach: | They propose a method to initialize a deep classifier by training over labeled texts . they then alternatively predict unlabeled texts as their pseudo-labels and train them over the mixture . |
| Outcome: | Empirical results show that the proposed method is more accurate when labeled texts are scarce. |
Adversarial Self-Supervised Learning for Out-of-Domain Detection (2021.naacl-main)
Copied to clipboard
| Challenge: | Existing methods for detecting out-of-domain (OOD) intents are unsupervised and require extensive labeled data. |
| Approach: | They propose a self-supervised contrastive learning framework to model discriminative semantic features from unlabeled data. |
| Outcome: | The proposed framework outperforms baseline methods on two public benchmark datasets with a statistically significant margin. |
Exploring Ordinality in Text Classification: A Comparative Study of Explicit and Implicit Techniques (2024.findings-acl)
Copied to clipboard
Siva Rajesh Kasa, Aniket Goel, Karan Gupta, Sumegh Roychowdhury, Pattisapu Priyatam, Anish Bhanushali, Prasanna Srinivasa Murthy
| Challenge: | Ordinal classification (OC) is a key task in natural language processing with applications in various domains such as sentiment analysis, rating prediction, and more. |
| Approach: | They propose to tackle ordinal classification (OC) through the implicit semantics of the labels . they propose to use a classical explicit approach and an implicit approach that organically engages the semantics. |
| Outcome: | The proposed methods are based on pre-trained language models and offer strategic recommendations based upon specific settings. |
Neural Networks Against (and For) Self-Training: Classification with Small Labeled and Large Unlabeled Sets (2023.findings-acl)
Copied to clipboard
| Challenge: | Existing models for text classification suffer from the semantic drift problem, which is a problem for self-training. |
| Approach: | They propose a semi-supervised text classifier based on self-training using one positive and one negative property of neural networks. |
| Outcome: | The proposed model outperforms ten baseline models in five benchmarks and is additive to language model pretraining. |
Instances and Labels: Hierarchy-aware Joint Supervised Contrastive Learning for Hierarchical Multi-Label Text Classification (2023.findings-emnlp)
Copied to clipboard
| Challenge: | Existing approaches to hierarchical multi-label text classification (HMTC) ignore the correlation between similar samples and introduce noise . |
| Approach: | They propose a semi-supervised method that uses a label hierarchy to bring text and label embeddings closer to each other by supervised contrastive learning. |
| Outcome: | The proposed method bridges the gap between supervised contrastive learning and HMTC by bringing text and label embeddings closer. |
BOLT: Benchmarking Open-World Learning for Text Classification (2026.findings-acl)
Copied to clipboard
| Challenge: | Existing benchmarks focus on out-of-distribution (OOD) detection while overlooking broader challenges such as the discovery of novel categories. |
| Approach: | They propose a unified Benchmark and evaluation toolkit supporting Open-world learning for text classification. |
| Outcome: | The proposed methods overfit training distributions and struggle to generalize to unseen classes. |
Semi-supervised Adversarial Text Generation based on Seq2Seq models (2022.emnlp-industry)
Copied to clipboard
| Challenge: | In contrast, adversarial training has been used in computer vision to improve models’ robustness due to the discrete nature of text. |
| Approach: | They propose a way to generate adversarial samples by using pseudo-labeled in-domain text data to train a seq2seq model for adversarials and combine it with paraphrase detection. |
| Outcome: | The proposed model generates realistic and relevant adversarial samples compared to other state-of-the-art models and recovers up to 70% of errors. |