4 papers
FTSCommDetector: Discovering Behavioral Communities through Temporal Synchronization
Tianyang Luo, Xikun Zhang, Dongjin Song
Why do trillion-dollar tech giants AAPL and MSFT diverge into different response patterns during market disruptions despite identical sector classifications? This paradox reveals a…
HERO: Heterogeneous Continual Graph Learning via Meta-Knowledge Distillation
Guiquan Sun, Xikun Zhang, Jingchao Ni +1
Heterogeneous graph neural networks have seen rapid progress in web applications such as social networks, knowledge graphs, and recommendation systems, driven by the inherent heter…
JustLogic: A Comprehensive Benchmark for Evaluating Deductive Reasoning in Large Language Models
Michael K. Chen, Xikun Zhang, Dacheng Tao
Logical reasoning is a critical component of Large Language Models (LLMs), and substantial research efforts in recent years have aimed to enhance their deductive reasoning capabili…
Learning System Dynamics without Forgetting
Xikun Zhang, Dongjin Song, Yushan Jiang +2
Observation-based trajectory prediction for systems with unknown dynamics is essential in fields such as physics and biology. Most existing approaches are limited to learning withi…