activity
20242026
collaborators

7 papers

cs.LG2026

Forecast Collapse in Time-Series Foundation Models

Shu Wan, Miles Ma, Hank Zhu +4

When forecasting hourly returns for 1,000 US equities, we observe an unexpected phenomenon: predictions become nearly flat and show poor stock ranking, as measured by cross-section…

cs.AI2026

DAGverse: Building Document-Grounded Semantic DAGs from Scientific Papers

Shu Wan, Saketh Vishnubhatla, Iskander Kushbay +4

Directed Acyclic Graphs (DAGs) are widely used to represent structured knowledge in scientific and technical domains. However, datasets for real-world DAGs remain scarce because co…

cs.LG2025

CauSTream: Causal Spatio-Temporal Representation Learning for Streamflow Forecasting

Shu Wan, Reepal Shah, John Sabo +2

Streamflow forecasting is crucial for water resource management and risk mitigation. While deep learning models have achieved strong predictive performance, they often overlook und…

cs.CL2025

Causality Guided Representation Learning for Cross-Style Hate Speech Detection

Chengshuai Zhao, Shu Wan, Paras Sheth +3

The proliferation of online hate speech poses a significant threat to the harmony of the web. While explicit hate is easily recognized through overt slurs, implicit hate speech is…

cs.LG2024

Spatio-temporal Causal Learning for Streamflow Forecasting

Shu Wan, Reepal Shah, Qi Deng +3

Streamflow plays an essential role in the sustainable planning and management of national water resources. Traditional hydrologic modeling approaches simulate streamflow by establi…

cs.LG2024

Introducing CausalBench: A Flexible Benchmark Framework for Causal Analysis and Machine Learning

Ahmet Kapkiç, Pratanu Mandal, Shu Wan +5

While witnessing the exceptional success of machine learning (ML) technologies in many applications, users are starting to notice a critical shortcoming of ML: correlation is a poo…

cs.IR2024

Prioritizing Potential Wetland Areas via Region-to-Region Knowledge Transfer and Adaptive Propagation

Yoonhyuk Choi, Reepal Shah, John Sabo +2

Wetlands are important to communities, offering benefits ranging from water purification, and flood protection to recreation and tourism. Therefore, identifying and prioritizing po…