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Quanlong Guan

21 accepted papers

2026

Entangled No More: Multi-Domain Decoupling for Robust Dynamic Graph Neural Networks

ICML 2026poster

Dynamic graphs are pervasive in real-world systems, but their tightly entangled spatiotemporal evolution causes significant modeling challenges. Existing Dynamic Graph Neural Networks (DGNNs) lack a principled framework for systematically decoupling this multi-domain entanglement, raising two key pr…

Cited by 0SourceScholar
2026

Generating In-Distribution Counterfactual Explanation for Graph Neural Networks

AAAI 2026technical

Graph Neural Networks (GNNs) have received increasing attention due to their ability to handle graph-structured data, yet their explainability remains a significant challenge. An effective solution is to provide the GNN models with counterfactual explanations, which aim to answer “How should the in

Cited by 0SourcePDFScholar
2026

GraphRAG-Induced Dual Knowledge Structure Graphs for Personalized Learning Path Recommendation

AAAI 2026technical

Learning path recommendation seeks to provide students with a structured sequence of learning items (e.g., knowledge concepts or exercises) to optimize their learning efficiency. Despite significant efforts in this area, most existing methods primarily rely on prerequisite relations, which present t

Cited by 0SourcePDFScholar
2026

SRJudge: Empowering Large Language Models with Selective Reasoning for Fine-Grained Knowledge Concept Tagging

IJCAI 2026

Knowledge concept tagging aims to assign specific concept or topic labels to educational content, which is essential for both educators and learners in traditional and online teaching practices. Recent work has explored large language models (LLMs) for this task, achieving promising performance. How

Cited by 0Scholar
2026

Vocabulary Scaling Law: Tuning Open-vocabulary Predictors for Their Openness

CVPR 2026

Open-vocabulary learning on CLIP provides remarkable generalization on diverse concepts, however, falters under the realistic streaming open-world evaluations for Stability against distractor classes and Extensibility to novel classes. Current fine-tuning methods often fail these tests since they ar

Cited by 0SourceScholar
2025

A Syntactic Approach to Computing Complete and Sound Abstraction in the Situation Calculus

AAAI 2025technical

Abstraction is an important and useful concept in the field of artificial intelligence. To the best of our knowledge, there is no syntactic method to compute a sound and complete abstraction from a given low-level basic action theory and a refinement mapping. This paper aims to address this issue. T…

Cited by 0SourcePDFScholar
2025

DyGMAE: A Novel Dynamic Graph Masked Autoencoder for Link Prediction

UAI 2025

Dynamic link prediction (DLP) is a crucial task in graph learning, aiming to predict future links between nodes at subsequent time in dynamic graphs. Recently, graph masked autoencoders (GMAEs) have shown promising performance in self-supervised learning. However, their application to DLP is under-e

2025

FerretNet: Efficient Synthetic Image Detection via Local Pixel Dependencies

NeurIPS 2025poster

The increasing realism of synthetic images generated by advanced models such as VAEs, GANs, and LDMs poses significant challenges for synthetic image detection. To address this issue, we explore two artifact types introduced during the generation process: (1) latent distribution deviations and (2) d…

Cited by 0SourcecodeScholar
2025

Improvements to the Generate-and-Complete Approach to Conformant Planning

IJCAI 2025

Conformant planning is a computationally challenging task that generates an action sequence to achieve goal condition with uncertain initial states and non-deterministic actions. The generate-and-complete (in short, GC) approach shows superior performance on conformant planning, which iteratively en

Cited by 0SourcePDFScholar
2025

KVFKT: A New Horizon in Knowledge Tracing with Attention-Based Embedding and Forgetting Curve Integration

COLING 2025main

The knowledge tracing (KT) model based on deep learning has been proven to be superior to the traditional knowledge tracing model, eliminating the need for artificial engineering features. However, there are still problems, such as insufficient interpretability of the learning and answering processe…

2025

Reproducible Vision-Language Models Meet Concepts Out of Pre-Training

CVPR 2025poster

Contrastive Language-Image Pre-training (CLIP) models as a milestone of modern multimodal intelligence, its generalization mechanism grasped massive research interests in the community. While existing studies limited in the scope of pre-training knowledge, hardly underpinned its generalization to co…

Cited by 0SourcePDFScholar
2025

Scalable MARL for Cooperative Exploration with Dynamic Robot Populations via Graph-Based Information Aggregation

IROS 2025

This study addresses the challenge of multi-robot cooperative exploration under limited local observations in environments with dynamic robot populations. To achieve efficient area coverage within constrained timeframes, we propose the Multi-Robot Informative Planner (MIP), a novel reinforcement lea

Cited by 0SourceScholar
2025

Tissue-View Map for Robotic Carotid Artery Ultrasound Scanning Using Reinforcement Learning

RA-L 2025

Ultrasound is an important diagnostic modality in medicine, offering real-time imaging, no radiation and low cost. However, ultrasound is currently highly dependent on the operator's experience and technical skills. Robotic autonomous ultrasound scanning (RAUS) is a sequential decision-making proble

Cited by 0SourceScholar
2024

A Multi-Valued Decision Diagram-Based Approach to Constrained Optimal Path Problems over Directed Acyclic Graphs

IJCAI 2024poster

Numerous combinatorial optimization problems can be reduced to the optimal path problem over directed acyclic graphs (DAGs). The constrained version of the optimal path problem requires the solution to satisfy a given logical constraint. BDD-constrained search (BCS) is an efficient algorithm for the…

2024

Deformation And Penetration Hybrid Detection-Net For Parcels Inspection In Industrial Supply Chain

ICASSP 2024accepted

The express delivery industry has become integral to modern social life, but supply chain parcels, especially those made of corrugated cardboard, are at risk of damage during transportation. Although corrugated cardboard boxes offer some impact resistance, they can still experience deformation and p…

Cited by 0SourceScholar
2024

Diagnosing and Rectifying Fake OOD Invariance: A Restructured Causal Approach

AAAI 2024technical

Invariant representation learning (IRL) encourages the prediction from invariant causal features to labels deconfounded from the environments, advancing the technical roadmap of out-of-distribution (OOD) generalization. Despite spotlights around, recent theoretical result verified that some causal f…

Cited by 1SourcePDFScholar
2024

On the Logic of Theory Change Iteration of KM-Update, Revised

IJCAI 2024poster

Belief revision and update, two significant types of belief change, both focus on how an agent modifies her beliefs in presence of new information. The most striking difference between them is that the former studies the change of beliefs in a static world while the latter concentrates on a dynamica…

Cited by 0SourcePDFScholar
2024

Transformer Model with Multi-Type Classification Decisions for Intrusion Attack Detection of Track Traffic and Vehicle

ICASSP 2024accepted

Security vulnerabilities, illustrated by the menace of track traffic or vehicle hacking, present a substantial risk to the Controller Area Network (CAN) bus, enabling unauthorized remote access and intrusion. Nevertheless, existing vehicle intrusion detection models encounter challenges in capturing…

Cited by 0SourceScholar
2024

Unveiling the Tapestry of Automated Essay Scoring: A Comprehensive Investigation of Accuracy, Fairness, and Generalizability

AAAI 2024technical

Automatic Essay Scoring (AES) is a well-established educational pursuit that employs machine learning to evaluate student-authored essays. While much effort has been made in this area, current research primarily focuses on either (i) boosting the predictive accuracy of an AES model for a specific pr…

2023

A Retrospect to Multi-prompt Learning across Vision and Language

ICCV 2023poster

The vision community is undergoing the unprecedented progress with the emergence of Vision-Language Pretraining Models (VLMs). Prompt learning plays as the holy grail of accessing VLMs since it enables their fast adaptation to downstream tasks with limited resources. Whereas existing research millin…

Cited by 7PDFcodeScholar
2022

Knowledge Compilation Meets Logical Separability

AAAI 2022technical

Knowledge compilation is an alternative solution to address demanding reasoning tasks with high complexity via converting knowledge bases into a suitable target language. Interestingly, the notion of logical separability, proposed by Levesque, offers a general explanation for the tractability of cla…

Cited by 1SourcePDFScholar