Yifan Lyu

2 accepted papers

2026

TCDA: Thread-Constrained Discourse-Aware Modeling for Conversational Sentiment Quadruple Analysis

Xinran Li, Xinze Che, Yifan Lyu, Zhiqi Huang, Xiujuan Xu

IJCAI 2026

Conversational Aspect-based Sentiment Quadruple Analysis (DiaASQ) needs to capture the complex interrelationships in multiple rounds of dialogues. Existing methods usually employ simple Graph Convolutional Networks (GCN), which introduce structural noise and fail to consider the temporal sequence of

Cited by 0 Scholar ↗

2025

TFS: Revisiting Temporal Language Grounding from Frequency Spiking Perspective

Yifan Lyu, Hongzhou Wu, Lixiang Liu, Chuxiong Sun

ICASSP 2025accepted

Temporal Language Grounding (TLG) aims to localize moments in untrimmed videos that are most relevant to natural language queries. While existing weakly-supervised methods have achieved significant success in exploring cross-modal relationships, they still face a critical bottleneck: the interferenc…

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