Papers by Hongliang Dai
Generating Diverse Training Samples for Relation Extraction with Large Language Models (2025.acl-long)
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| Challenge: | Existing models for Relation Extraction (RE) have good results on many benchmarks, but data scarcity is a common problem. |
| Approach: | They propose to use Large Language Models to generate training data for Relation Extraction . they propose to make LLMs produce dissimilar samples by direct instruction . |
| Outcome: | The proposed approach improves the diversity of training samples generated with LLMs while maintaining correctness. |
Neural Aspect and Opinion Term Extraction with Mined Rules as Weak Supervision (P19-1)
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| Challenge: | Lack of labeled training data is a major bottleneck for aspect and opinion term extraction . et al., 2004: aspect and opinions are of particular importance for opinion mining . |
| Approach: | They propose to automatically mine extraction rules from existing training examples based on dependency parsing results . they then apply the mined rules to label auxiliary data to train a neural model . |
| Outcome: | The proposed algorithm can learn from human annotated data and human annnotated auxiliary data. |
Multi-Source Multi-Type Knowledge Exploration and Exploitation for Dialogue Generation (2023.emnlp-main)
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| Challenge: | Existing models focus on identifying specific types of dialogue knowledge and utilizing corresponding datasets for training, but lack generalization capabilities and computational resources. |
| Approach: | They propose a framework that explores multi-source multi-type knowledge from LLMs by leveraging diverse datasets and exploits it for response generation. |
| Outcome: | The proposed framework exploits multi-source multi-type knowledge from LLMs to generate coherent, informative, and fluent responses. |
Leveraging Label Semantics and Entity Description Generation for LLM-based Fine-grained Entity Typing (2026.findings-acl)
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| Challenge: | Fine-grained entity typing (FET) aims to assign semantically rich and contextually appropriate types to entity mentions. |
| Approach: | They propose a descriptor-based retrieval-augmented framework that reduces effective label space . they propose to use natural language descriptores as an intermediate semantic representation . |
| Outcome: | The proposed framework outperforms existing methods under noisy supervision. |
WebVoyager: Building an End-to-End Web Agent with Large Multimodal Models (2024.acl-long)
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| Challenge: | Existing web agents only handle one input modality and are evaluated only in simplified web simulators or static web snapshots, greatly limiting their applicability in real-world scenarios. |
| Approach: | They propose a large multimodal model-powered web agent that can complete user instructions end-to-end by interacting with real-world websites. |
| Outcome: | The proposed agent achieves 59.1% task success rate, surpassing both GPT-4 and WebVoyager setups. |
CRISP: Compressing Redundancy in Chain-of-Thought via Intrinsic Saliency Pruning (2026.findings-acl)
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| Challenge: | Existing approaches to compress CoT with external compressors fail to align with the model’s internal reasoning dynamics, resulting in the loss of critical logical steps. |
| Approach: | They propose a framework that exploits the model’s intrinsic saliency to compress CoT by exploiting its reasoning termination token . |
| Outcome: | The proposed framework reduces redundancy in reasoning chain by exploiting the model’s intrinsic saliency. |
A Chinese Corpus for Fine-grained Entity Typing (2020.lrec-1)
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| Challenge: | Existing datasets for fine-grained entity typing are limited to English . a corpus of 4,800 mentions is manually labeled with free-form entity types . |
| Approach: | They propose a Chinese fine-grained entity typing task that uses crowdsourcing . they categorize each mention into 10 general types and use a large tag set to predict open set of types . |
| Outcome: | The proposed dataset contains 4,800 mentions manually labeled in Chinese . it also categorizes all the fine-grained types into 10 general types . |
From Ultra-Fine to Fine: Fine-tuning Ultra-Fine Entity Typing Models to Fine-grained (2023.acl-long)
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| Challenge: | Existing approaches to fine-grained entity typing are limited by the errors in the annotation process. |
| Approach: | They propose a method that can be used to fine-tune a model to a new type schema without creating distantly labeled data. |
| Outcome: | The proposed approach outperforms state-of-the-art weak supervision based methods under the few-shot setting. |
Improving Fine-grained Entity Typing with Entity Linking (D19-1)
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| Challenge: | Existing methods for fine-grained entity typing require a large tag set and knowledge of the context. |
| Approach: | They propose a deep neural model that uses context and information from entity linking to improve fine-grained entity typing. |
| Outcome: | The proposed model achieves 5% absolute strict accuracy improvement over the state of the art on two datasets. |
Ultra-Fine Entity Typing with Weak Supervision from a Masked Language Model (2021.acl-long)
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| Challenge: | Existing methods for fine-grained entity typing use weak labels that are automatically generated. |
| Approach: | They propose to obtain training data by using a BERT Masked Language Model (MLM) given a mention in a sentence, they construct an input for the MLM so it predicts context dependent hypernyms of the mention, which can be used as type labels. |
| Outcome: | The proposed model improves performance by using type labels generated from a BERT Masked Language Model given a mention in a sentence. |
DUD: Decoupled Update Dynamics for Reliable Uncertainty Quantification in Large Language Models (2026.acl-long)
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| Challenge: | Accurate Uncertainty Quantification (UQ) is critical for reliable deployment of Large Language Models (LLMs). |
| Approach: | They propose a framework that explicitly decouples FFN and Attention contributions via noise-induced causal interventions to capture model's internal fragility. |
| Outcome: | The proposed framework outperforms state-of-the-art baselines in both uncertainty estimation and calibration while exhibiting superior cross-dataset generalization. |
M-BRe: Discovering Training Samples for Relation Extraction from Unlabeled Texts with Large Language Models (2025.emnlp-main)
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| Challenge: | Existing methods to extract training instances from unlabeled texts are expensive . sentences that contain the target relations in texts can be scarce and difficult to find . |
| Approach: | They propose a framework that can automatically extract training instances from unlabeled texts for RE. |
| Outcome: | The proposed method can extract training instances from unlabeled texts for RE. |
Characteristic AI Agents via Large Language Models (2024.lrec-main)
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| Challenge: | Commercial products have been devoted to creating character-driven chatbots using large language models, but academic research in this area remains relatively scarce. |
| Approach: | They investigate the performance of LLMs in constructing characteristic AI agents by simulating real-life individuals across different settings. |
| Outcome: | The proposed benchmark compared LLMs with real-life individuals in different settings and includes evaluation metrics. |
Entity Linking within a Social Media Platform: A Case Study on Yelp (D18-1)
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| Challenge: | Existing studies on entity linking focus on linking entities to knowledge bases, but on social media platforms, such as Yelp, it can be more practical. |
| Approach: | They propose to link entities within a social media platform with a new entity linking problem. |
| Outcome: | The proposed model can link business mentions to corresponding businesses on a social media platform. |