Knowledge-enhanced event relation extraction via event ontology prompt

L Zhuang, H Fei, P Hu - Information Fusion, 2023 - Elsevier
Identifying temporal and subevent relationships between different events (ie, event relation
extraction) is an important step towards event-centric natural language processing, which …

OneEE: A one-stage framework for fast overlap** and nested event extraction

H Cao, J Li, F Su, F Li, H Fei, S Wu, B Li… - arxiv preprint arxiv …, 2022 - arxiv.org
Event extraction (EE) is an essential task of information extraction, which aims to extract
structured event information from unstructured text. Most prior work focuses on extracting flat …

Entity-centered cross-document relation extraction

F Wang, F Li, H Fei, J Li, S Wu, F Su, W Shi, D Ji… - arxiv preprint arxiv …, 2022 - arxiv.org
Relation Extraction (RE) is a fundamental task of information extraction, which has attracted
a large amount of research attention. Previous studies focus on extracting the relations …

Diaasq: A benchmark of conversational aspect-based sentiment quadruple analysis

B Li, H Fei, F Li, Y Wu, J Zhang, S Wu, J Li, Y Liu… - arxiv preprint arxiv …, 2022 - arxiv.org
The rapid development of aspect-based sentiment analysis (ABSA) within recent decades
shows great potential for real-world society. The current ABSA works, however, are mostly …

Harnessing holistic discourse features and triadic interaction for sentiment quadruple extraction in dialogues

B Li, H Fei, L Liao, Y Zhao, F Su, F Li, D Ji - Proceedings of the AAAI …, 2024 - ojs.aaai.org
Dialogue Aspect-based Sentiment Quadruple (DiaASQ) is a newly-emergent task aiming to
extract the sentiment quadruple (ie, targets, aspects, opinions, and sentiments) from …

Joint alignment of multi-task feature and label spaces for emotion cause pair extraction

S Chen, X Shi, J Li, S Wu, H Fei, F Li, D Ji - arxiv preprint arxiv …, 2022 - arxiv.org
Emotion cause pair extraction (ECPE), as one of the derived subtasks of emotion cause
analysis (ECA), shares rich inter-related features with emotion extraction (EE) and cause …

Generative non-autoregressive unsupervised keyphrase extraction with neural topic modeling

X Zhu, Y Lou, J Zhao, W Gao, H Deng - Engineering Applications of …, 2023 - Elsevier
Unsupervised keyphrase extraction (UKE) aims to detect out a set of keyphrases of a
document without using any annotation signal for training the UKE model. Existing UKE …

Continual multimodal knowledge graph construction

X Chen, J Zhang, X Wang, N Zhang, T Wu… - arxiv preprint arxiv …, 2023 - arxiv.org
Current Multimodal Knowledge Graph Construction (MKGC) models struggle with the real-
world dynamism of continuously emerging entities and relations, often succumbing to …

Integrating discourse features and response assessment for advancing empathetic dialogue

B Li, H Fei, F Su, F Li, D Ji - Information Processing & Management, 2024 - Elsevier
Empathetic response generation is a crucial task in natural language processing, enabling
emotionally resonant machine–human interactions. In this paper, we introduce the InfRa …

Semi-supervised new slot discovery with incremental clustering

Y Wu, L Liao, X Qian, TS Chua - Findings of the Association for …, 2022 - aclanthology.org
Discovering new slots is critical to the success of dialogue systems. Most existing methods
rely on automatic slot induction in unsupervised fashion or perform domain adaptation …