4 papers
Writer-R1: Enhancing Generative Writing in LLMs via Memory-augmented Replay Policy Optimization
Jihao Zhao, Shuaishuai Zu, Zhiyuan Ji +2
As a typical open-ended generation task, creative writing lacks verifiable reference answers, which has long constrained reward modeling and automatic evaluation due to high human…
QChunker: Learning Question-Aware Text Chunking for Domain RAG via Multi-Agent Debate
Jihao Zhao, Daixuan Li, Pengfei Li +3
The effectiveness upper bound of retrieval-augmented generation (RAG) is fundamentally constrained by the semantic integrity and information granularity of text chunks in its knowl…
RouterKT: Mixture-of-Experts for Knowledge Tracing
Han Liao, Shuaishuai Zu
Knowledge Tracing (KT) is a fundamental task in Intelligent Tutoring Systems (ITS), which aims to model the dynamic knowledge states of students based on their interaction historie…
Fair Knowledge Tracing in Second Language Acquisition
Weitao Tang, Guanliang Chen, Shuaishuai Zu +1
In second-language acquisition, predictive modeling aids educators in implementing diverse teaching strategies, attracting significant research attention. However, while model accu…