4 papers
SURGE: An Event-Centric Social Media Sentiment Time Series Benchmark with Interaction Structure
Chen Su, Pengsen Cheng, Yuanhe Tian +1
Public events on social media generate large volumes of discussion whose collective dynamics carry direct value for opinion forecasting and crisis response. Capturing how these dyn…
EvoJail: Evolutionary Diverse Jailbreak Prompt Generation for Large Language Models
Rui Tang, Kaiyu Xu, Pengsen Cheng +3
As LLMs continue to shape real-world applications, automated jailbreak generation becomes essential to reveal safety weaknesses and guide model improvement. Existing automatic jail…
Large Language Models Enhanced by Plug and Play Syntactic Knowledge for Aspect-based Sentiment Analysis
Yuanhe Tian, Xu Li, Wei Wang +3
Aspect-based sentiment analysis (ABSA) generally requires a deep understanding of the contextual information, including the words associated with the aspect terms and their syntact…
Representation Decomposition for Learning Similarity and Contrastness Across Modalities for Affective Computing
Yuanhe Tian, Pengsen Cheng, Guoqing Jin +2
Multi-modal affective computing aims to automatically recognize and interpret human attitudes from diverse data sources such as images and text, thereby enhancing human-computer in…