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Yiwen Yuan

5 accepted papers

2025

ContextGNN: Beyond Two-Tower Recommendation Systems

ICLR 2025poster

Recommendation systems predominantly utilize two-tower architectures, which evaluate user-item rankings through the inner product of their respective embeddings. However, one key limitation of two-tower models is that they learn a pair-agnostic representation of users and items. In contrast, pair-wi…

2025

Imitate Before Detect: Aligning Machine Stylistic Preference for Machine-Revised Text Detection

AAAI 2025technical

Large Language Models (LLMs) have revolutionized text generation, making detecting machine-generated text increasingly challenging. Although past methods have achieved good performance on detecting pure machine-generated text, those detectors have poor performance on distinguishing machine-revised t…

2025

Symbolic Representation for Any-to-Any Generative Tasks

CVPR 2025poster

We propose a symbolic generative task description language and a corresponding inference engine that can represent arbitrary multimodal tasks as structured symbolic flows. Unlike conventional generative models, which rely on large-scale training and implicit neural representations to learn cross-mod…

2025

Video-Bench: Human-Aligned Video Generation Benchmark

CVPR 2025poster

Video generation assessment is essential for ensuring that generative models produce visually realistic, high-quality videos while aligning with human expectations. Current video generation benchmarks fall into two main categories: traditional benchmarks, which use metrics and embeddings to evaluate…

2024

RelBench: A Benchmark for Deep Learning on Relational Databases

NeurIPS 2024poster

We present RelBench, a public benchmark for solving predictive tasks in relational databases with deep learning. RelBench provides databases and tasks spanning diverse domains, scales, and database dimensions, and is intended to be a foundational infrastructure for future research in this direction…

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