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Weibo Gao

16 accepted papers

2026

UniRRM: Unified Reasoning Reward Models Across Languages and Evaluation Paradigms

ICML 2026poster

Reinforcement learning (RL) excels on tasks with verifiable rewards, but in open-ended tasks, the reliability of reward models remains a key challenge. Existing solutions either depend on costly proprietary LLM-as-a-Judge systems or opaque scalar reward models that lack interpretability. Recent work…

Cited by 0SourceScholar
2025

Agent4Edu: Generating Learner Response Data by Generative Agents for Intelligent Education Systems

AAAI 2025technical

Personalized learning represents a promising educational strategy within intelligent educational systems, aiming to enhance learners' practice efficiency. However, the scarcity of offline practice response data (e.g., answer correctness) and potential biases in human online practice create a signifi…

2025

CoderAgent: Simulating Student Behavior for Personalized Programming Learning with Large Language Models

IJCAI 2025

Personalized programming tutoring, such as exercise recommendation, can enhance learners' efficiency, motivation, and outcomes, which is increasingly important in modern digital education. However, the lack of sufficient and high-quality programming data, combined with the mismatch between offline e

2025

GenAL: Generative Agent for Adaptive Learning

AAAI 2025technical

Adaptive learning, also known as adaptive teaching, relies on learning path recommendations that sequentially suggest personalized learning items (such as lectures and exercises) to meet the unique needs of each learner. Despite the extensive research in this field, previous approaches have primaril…

2025

IRT-Router: Effective and Interpretable Multi-LLM Routing via Item Response Theory

ACL 2025long

Large language models (LLMs) have demonstrated exceptional performance across a wide range of natural language tasks. However, selecting the optimal LLM to respond to a user query often necessitates a delicate balance between performance and cost. While powerful models deliver better results, they c…

2025

ReAL: How Can LLMs Simulate the Real Teacher? Retrieval-enhanced Agent for Adaptive Learning

EMNLP 2025

Adaptive learning focuses on recommending personalized materials (e.g., exercises, courses) to the unique needs of learners. Despite significant research, these methods still lag behind real teachers including two main limitations: (1) Prior methods model learner-item interactions based only on ID s

2025

TestAgent: An Adaptive and Intelligent Expert for Human Assessment

ACL 2025finding

Accurately assessing internal human states is key to understanding preferences, offering personalized services, and identifying challenges in real-world applications. Originating from psychometrics, adaptive testing has become the mainstream method for human measurement and has now been widely appli…

Cited by 0SourcePDFScholar
2024

Collaborative Cognitive Diagnosis with Disentangled Representation Learning for Learner Modeling

NeurIPS 2024poster

Learners sharing similar implicit cognitive states often display comparable observable problem-solving performances. Leveraging collaborative connections among such similar learners proves valuable in comprehending human learning. Motivated by the success of collaborative modeling in various domains…

2024

EgoPAT3Dv2: Predicting 3D Action Target from 2D Egocentric Vision for Human-Robot Interaction

ICRA 2024poster

A robot’s ability to anticipate the 3D action target location of a hand’s movement from egocentric videos can greatly improve safety and efficiency in human-robot interaction (HRI). While previous research predominantly focused on semantic action classification or 2D target region prediction, we arg…

Cited by 2SourceScholar
2024

Federated Self-Explaining GNNs with Anti-shortcut Augmentations

ICML 2024poster

Graph Neural Networks (GNNs) have demonstrated remarkable performance in graph classification tasks. However, ensuring the explainability of their predictions remains a challenge. To address this, graph rationalization methods have been introduced to generate concise subsets of the original graph, k…

Cited by 0SourcePDFScholar
2024

Towards Accurate and Fair Cognitive Diagnosis via Monotonic Data Augmentation

NeurIPS 2024poster

Intelligent education stands as a prominent application of machine learning. Within this domain, cognitive diagnosis (CD) is a key research focus that aims to diagnose students' proficiency levels in specific knowledge concepts. As a crucial task within the field of education, cognitive diagnosis en…

Cited by 2SourcePDFScholar
2024

Towards Faithful Explanations: Boosting Rationalization with Shortcuts Discovery

ICLR 2024poster

The remarkable success in neural networks provokes the selective rationalization. It explains the prediction results by identifying a small subset of the inputs sufficient to support them. Since existing methods still suffer from adopting the shortcuts in data to compose rationales and limited large…

2024

Zero-1-to-3: Domain-Level Zero-Shot Cognitive Diagnosis via One Batch of Early-Bird Students towards Three Diagnostic Objectives

AAAI 2024technical

Cognitive diagnosis seeks to estimate the cognitive states of students by exploring their logged practice quiz data. It plays a pivotal role in personalized learning guidance within intelligent education systems. In this paper, we focus on an important, practical, yet often underexplored task: domai…

2024

π-Light: Programmatic Interpretable Reinforcement Learning for Resource-Limited Traffic Signal Control

AAAI 2024technical

The recent advancements in Deep Reinforcement Learning (DRL) have significantly enhanced the performance of adaptive Traffic Signal Control (TSC). However, DRL policies are typically represented by neural networks, which are over-parameterized black-box models. As a result, the learned policies ofte…

2023

FairLISA: Fair User Modeling with Limited Sensitive Attributes Information

NeurIPS 2023poster

User modeling techniques profile users' latent characteristics (e.g., preference) from their observed behaviors, and play a crucial role in decision-making. Unfortunately, traditional user models may unconsciously capture biases related to sensitive attributes (e.g., gender) from behavior data, even…