3 papers
cs.LG2026
Explainable Heterogeneous Anomaly Detection in Financial Networks via Adaptive Expert Routing
Zan Li, Rui Fan
Financial anomalies arise from heterogeneous mechanisms - price shocks, liquidity freezes, contagion cascades, and momentum reversals - yet existing detectors produce uniform anoma…
cs.LG2025
Crisis-Resilient Portfolio Management via Graph-based Spatio-Temporal Learning
Zan Li, Rui Fan
Financial time series forecasting faces a fundamental challenge: predicting optimal asset allocations requires understanding regime-dependent correlation structures that transform…
cs.IR2025
UniDex: Rethinking Search Inverted Indexing with Unified Semantic Modeling
Zan Li, Jiahui Chen, Yuan Chai +11
Inverted indexing has traditionally been a cornerstone of modern search systems, leveraging exact term matches to determine relevance between queries and documents. However, this t…