5 papers
Agent-Guided Evidence Acquisition for Emotion-Cause Pair Extraction
Zhuangzhuang Pan, Yan Xia, Chee Seng Chan
Emotion-Cause Pair Extraction (ECPE) requires identifying the causes associated with emotions expressed in a conversation. Accurate extraction can depend on evidence that is not in…
Reliability-Aware Prototype Calibration for Frozen Pose-Flow Video Anomaly Detection
Ning Dong, Yingna Su, Xin Dong +3
Pose-flow video anomaly detectors are attractive for one-class surveillance because they provide likelihood-based rankings for tracked skeleton windows. However, a single likelihoo…
Learning Robust Pair Confidence for Multimodal Emotion-Cause Pair Extraction
Zhuangzhuang Pan, Ning Dong, Yingna Su +1
Multimodal emotion-cause pair extraction (MECPE) requires reliable pair confidence over candidate pairs. Existing pair scorers commonly use pair-level cross entropy over valid cand…
They Are Not the Same: Direct Causes Are Not Grounded Emotion Explanations
Zhuangzhuang Pan, Yan Xia, Chee Seng Chan
Emotion-Cause Pair Extraction (ECPE) was introduced to explain why an emotion occurs, but this goal is now often reduced to binary pair/non-pair prediction. This proxy is useful fo…
Single-Pass, Depth-Selective Reading for Multi-Aspect Sentiment Analysis
Yan Xia, Zhuangzhuang Pan, Amirrudin Kamsin +1
Aspect-Term Sentiment Analysis (ATSA) in multi-aspect sentences faces a fundamental tradeoff between efficiency and expressiveness. Existing models either re-encode the sentence fo…