activity
20242026
collaborators

5 papers

cs.AI2026

ProPRL: Property-Aware Prerequisite Relation Learning in Educational Knowledge Graphs

Xinghe Cheng, Jiapu Wang, Chaobo He +2

Prerequisite relation learning is central to adaptive instruction, yet existing methods often formulate it as conventional link prediction, limiting their ability to adaptively int…

cs.CL2026

Relational Probing: LM-to-Graph Adaptation for Financial Prediction

Yingjie Niu, Changhong Jin, Rian Dolphin +1

Language models can be used to identify relationships between financial entities in text. However, while structured output mechanisms exist, prompting-based pipelines still incur a…

cs.LG2026

GAPNet: Plug-in Jointly Learning Task-Specific Graph for Dynamic Stock Relation

Yingjie Niu, Lanxin Lu, Changhong Jin +1

The advent of the web has led to a paradigm shift in the financial relations, with the real-time dissemination of news, social discourse, and financial filings contributing signifi…

q-fin.ST2025

NGAT: A Node-level Graph Attention Network for Long-term Stock Prediction

Yingjie Niu, Mingchuan Zhao, Valerio Poti +1

Graph representation learning methods have been widely adopted in financial applications to enhance company representations by leveraging inter-firm relationships. However, current…

q-fin.ST2024

Evaluating Financial Relational Graphs: Interpretation Before Prediction

Yingjie Niu, Lanxin Lu, Rian Dolphin +2

Accurate and robust stock trend forecasting has been a crucial and challenging task, as stock price changes are influenced by multiple factors. Graph neural network-based methods h…