Papers by Feilong Bao
Unifying Dual-Space Embedding for Entity Alignment via Contrastive Learning (2025.coling-main)
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| Challenge: | Entity alignment (EA) aims to match identical entities across knowledge graphs (KGs) Graph neural network-based entity alignment methods have achieved promising results in Euclidean space, but KGs often contain complex local and hierarchical structures, which are hard to represent in a single space. |
| Approach: | They propose a method which unifies dual-space embedding to preserve the intrinsic structure of KGs. |
| Outcome: | The proposed method achieves state-of-the-art in structure-based EA on benchmark datasets. |
Lˆ2GC:Lorentzian Linear Graph Convolutional Networks for Node Classification (2024.lrec-main)
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| Challenge: | Existing linear GCNs perform neural network operations in Euclidean space, which do not capture tree-like hierarchical structure of graphs. |
| Approach: | They propose a Lorentzian linear GCN framework that maps features into hyperbolic space and performs a feature transformation to capture the underlying tree-like structure of data. |
| Outcome: | The proposed framework achieves state-of-the-art accuracy on standard citation networks datasets and 81.3% on PubMed datasets. |
A LSTM Approach with Sub-Word Embeddings for Mongolian Phrase Break Prediction (C18-1)
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| Challenge: | Existing word embedding methods for Mongolian PB prediction are expensive and time-consuming. |
| Approach: | They propose to use Mongolian word embedding to build a robust Mongolian PB prediction model . they encode sub-word units and feed it to LSTM to decode the best corresponding PB label . |
| Outcome: | The proposed model outperforms traditional model using manual features and achieves 7.49% gain. |
Incorporating Inner-word and Out-word Features for Mongolian Morphological Segmentation (2020.coling-main)
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| Challenge: | Mongolian morphological segmentation is a crucial preprocessing step in many Mongolian related NLP applications. |
| Approach: | They propose a neural network incorporating inner-word and out-word features for Mongolian morphological segmentation. |
| Outcome: | The proposed network is compared with baselines and evaluates its performance. |
Debate to Align: Reliable Entity Alignment through Two-Stage Multi-Agent Debate (2026.findings-acl)
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| Challenge: | Entity alignment (EA) aims to identify entities referring to the same real-world object across different knowledge graphs (KGs). |
| Approach: | They propose a reliable EA framework based on multi-agent debate that improves embedding quality and introduces a two-stage multi-role debate mechanism to enhance reliability. |
| Outcome: | The proposed framework improves embedding quality and the reasoning capability of LLMs while enabling more efficient debate-based reasoning. |
CEDAR: A Chinese Evaluation Dataset for Computational Argumentation (2026.acl-long)
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| Challenge: | Existing debate datasets neglect important labels for argument mining, generation, and evaluation. |
| Approach: | They propose a Chinese Evaluation Dataset for Computational Argumentation that includes key arguments and key rhetorical figures, debater roles, modal words, debate results and transcripts. |
| Outcome: | The proposed dataset covers 600 debates about 318 topics from Chinese debate competitions. |
Distance-Adaptive Quaternion Knowledge Graph Embedding with Bidirectional Rotation (2025.coling-main)
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| Challenge: | Existing knowledge graph embedding models measure the plausibility of triplets either through semantic matching or distance scoring functions. |
| Approach: | They propose to combine semantic matching with entity’s geometric distance to better measure the plausibility of triplets. |
| Outcome: | The proposed model outperforms existing models on well-known knowledge graph completion benchmark datasets. |
Hyperbolic Representations for Prompt Learning (2024.lrec-main)
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| Challenge: | Existing techniques to train only continuous prompts while freezing the language model have been developed. |
| Approach: | They propose to use hyperbolic space to model hierarchical relationships between prompts and inputs . they use a Poincaré disk to capture the hierarchic relationship between prompt and input . |
| Outcome: | The proposed approach reduces training time and storage for downstream tasks by reducing training costs. |
Stand on The Shoulders of Giants: Building JailExpert from Previous Attack Experience (2025.emnlp-main)
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Xi Wang, Songlei Jian, Shasha Li, Xiaopeng Li, Bin Ji, Ma Jun, Xiaodong Liu, Jing Wang, Jianfeng Zhang, Jie Yu, Feilong Bao, null Wangbaosheng
| Challenge: | Existing methods to generate human-aligned content with a “jailbreak prompt” are inefficient and repetitive, causing inefficiency and a lack of experience. |
| Approach: | They propose a framework that integrates past attack experiences to aid current jailbreak attempts. |
| Outcome: | The proposed framework improves both attack effectiveness and efficiency compared to the current black-box jailbreak method. |
Learning Continuous Temporal Dynamics on Symplectic Manifolds for Temporal Knowledge Graph Embedding (2026.findings-acl)
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| Challenge: | Existing methods for temporal knowledge graph embedding lack explicit structural constraints for continuous-time dynamics. |
| Approach: | They propose a Temporal Knowledge Graph Embedding framework that embeds temporal dynamics into a symplectic phase space. |
| Outcome: | The proposed framework achieves competitive performance with lower embedding dimensions. |