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Xiao Yu

28 accepted papers

2026

DGSAN: Dual-Graph Spatiotemporal Attention Network for Pulmonary Nodule Malignancy Prediction

AAAI 2026technical

Lung cancer continues to be the leading cause of cancer-related deaths globally. Early detection and diagnosis of pulmonary nodules are essential for improving patient survival rates. Although previous research has integrated multimodal and multi-temporal information, outperforming single modality a

Cited by 0SourcePDFScholar
2026

Dyna-Mind: Learning to Simulate from Experience for Better AI Agents

ICLR 2026poster

Reasoning models have recently shown remarkable progress in domains such as math and coding. However, their expert-level abilities in math and coding contrast sharply with their performance in long-horizon, interactive tasks such as web navigation and computer/phone-use. Inspired by literature on hu…

Cited by 0SourceScholar
2026

REINA: Regularized Entropy Information-Based Loss for Efficient Simultaneous Speech Translation

AAAI 2026technical

Simultaneous Speech Translation (SimulST) systems stream in audio while simultaneously emitting translated text or speech. Such systems face the significant challenge of balancing translation quality and latency. We introduce a strategy to optimize this tradeoff: wait for more input only if you gain

Cited by 0SourcePDFScholar
2026

VideoWorld 2: Learning Transferable Knowledge from Real-world Videos

CVPR 2026

Learning transferable knowledge from unlabeled video data and applying it in new environments is a fundamental capability of intelligent agents. This work presents VideoWorld 2, which extends VideoWorld and provides the first investigation of learning transferable knowledge for complex, long-horizon

Cited by 0SourceScholar
2025

Automated Manipulation of Magnetic Microswarms for Temporal Logic Cargo Delivery Tasks in Complex Environments

IROS 2025

Micromanipulation using magnetic microswarms has garnered significant attention in recent years due to their potential in microscale cargo delivery tasks. While existing studies have demonstrated the capabilities of microswarms in basic manipulation tasks, they often lack the autonomy required to ha

Cited by 0SourceScholar
2025

ConFit v2: Improving Resume-Job Matching using Hypothetical Resume Embedding and Runner-Up Hard-Negative Mining

ACL 2025finding

A reliable resume-job matching system helps a company recommend suitable candidates from a pool of resumes and helps a job seeker find relevant jobs from a list of job posts. However, since job seekers apply only to a few jobs, interaction labels in resume-job datasets are sparse. We introduce ConFi…

Cited by 0SourcePDFScholar
2025

EvoBench: Towards Real-world LLM-Generated Text Detection Benchmarking for Evolving Large Language Models

ACL 2025finding

With the widespread of Large Language Models (LLMs), there has been an increasing need to detect LLM-generated texts, prompting extensive research in this area. However, existing detection methods mainly evaluate on static benchmarks, which neglect the evolving nature of LLMs. Relying on existing st…

Cited by 0SourcePDFScholar
2025

ExACT: Teaching AI Agents to Explore with Reflective-MCTS and Exploratory Learning

ICLR 2025poster

Autonomous agents have demonstrated significant potential in automating complex multistep decision-making tasks. However, even state-of-the-art vision-language models (VLMs), such as GPT-4o, still fall short of human-level performance, particularly in intricate web environments and long-horizon plan…

Cited by 8SourcePDFScholar
2025

FocalPO: Enhancing Preference Optimizing by Focusing on Correct Preference Rankings

ACL 2025short

Efficient preference optimization algorithms such as Direct Preference Optimization (DPO) have become a popular approach in aligning large language models (LLMs) with human preferences. These algorithms implicitly treat the LLM as a reward model, and focus on training it to correct misranked prefere…

2025

Hierarchical Exploration of Mobile Robots by Unknown Region Division With Multiple Environment Representations

RA-L 2025

Fast exploration is crucial for mobile robots to improve their autonomy and range of applications. To enhance exploration efficiency by utilizing environmental information more effectively, we propose a frontier-based hierarchical planning approach that incorporates information on unknown regions. P

Cited by 3SourceScholar
2025

PreFM: Online Audio-Visual Event Parsing via Predictive Future Modeling

NeurIPS 2025poster

Audio-visual event parsing plays a crucial role in understanding multimodal video content, but existing methods typically rely on offline processing of entire videos with huge model sizes, limiting their real-time applicability. We introduce Online Audio-Visual Event Parsing (On-AVEP), a novel parad…

Cited by 0SourcecodeScholar
2024

DPIC: Decoupling Prompt and Intrinsic Characteristics for LLM Generated Text Detection

NeurIPS 2024poster

Large language models (LLMs) have the potential to generate texts that pose risks of misuse, such as plagiarism, planting fake reviews on e-commerce platforms, or creating inflammatory false tweets. Consequently, detecting whether a text is generated by LLMs has become increasingly important. Existi…

Cited by 3SourcePDFScholar
2024

Distantly-Supervised Joint Extraction with Noise-Robust Learning

ACL 2024findings

Joint entity and relation extraction is a process that identifies entity pairs and their relations using a single model. We focus on the problem of joint extraction in distantly-labeled data, whose labels are generated by aligning entity mentions with the corresponding entity and relation tags using…

2024

LocalRQA: From Generating Data to Locally Training, Testing, and Deploying Retrieval-Augmented QA Systems

ACL 2024system demonstrations

Retrieval-augmented question-answering systems combine retrieval techniques with large language models to provide answers that are more accurate and informative. Many existing toolkits allow users to quickly build such systems using off-the-shelf models, but they fall short in supporting researchers…

2024

Teaching Language Models to Self-Improve through Interactive Demonstrations

NAACL 2024long

The self-improving ability of large language models (LLMs), enabled by prompting them to analyze and revise their own outputs, has garnered significant interest in recent research. However, this ability has been shown to be absent and difficult to learn for smaller models, thus widening the performa…

2024

Text Fluoroscopy: Detecting LLM-Generated Text through Intrinsic Features

EMNLP 2024main

Large language models (LLMs) have revolutionized the domain of natural language processing because of their excellent performance on various tasks. Despite their impressive capabilities, LLMs also have the potential to generate texts that pose risks of misuse. Consequently, detecting LLM-generated t…

Cited by 3SourcePDFScholar
2024

UVEB: A Large-scale Benchmark and Baseline Towards Real-World Underwater Video Enhancement

CVPR 2024poster

Learning-based underwater image enhancement (UIE) methods have made great progress. However the lack of large-scale and high-quality paired training samples has become the main bottleneck hindering the development of UIE. The inter-frame information in underwater videos can accelerate or optimize th…

2024

Voice Toxicity Detection Using Multi-Task Learning

ICASSP 2024accepted

Social communication systems must identify toxic voice audio to support moderation that protects the safety and civility of their communities. Toxicity classification for voice depends on both audio style, such as volume and tone, and content, such as the words in the speech individually and in cont…

Cited by 0SourceScholar
2023

Controllable Mixed-Initiative Dialogue Generation through Prompting

ACL 2023short

Mixed-initiative dialogue tasks involve repeated exchanges of information and conversational control. Conversational agents gain control by generating responses that follow particular dialogue intents or strategies, prescribed by a policy planner. The standard approach has been fine-tuning pre-train…

2023

KRLS: Improving End-to-End Response Generation in Task Oriented Dialog with Reinforced Keywords Learning

EMNLP 2023long main

In task-oriented dialogs (TOD), reinforcement learning (RL) algorithms train a model to directly optimize response for task-related metrics. However, RL often needs to perform exploration, which can be time-consuming due to the slow auto-regressive sequence generation process. We investigate an appr…

Cited by 0SourcecodeScholar
2023

Magnetically-Assisted Microfluidic Printing for the Fabrication of Anisotropic Skeletal Muscle Structure

RA-L 2023

Microfluidic printing provides a novel tool to facilitate the bulk assembly of cell-aligned microfibers for the fabrication of artificial skeletal muscle structure. However, due to the poor controllability for the deposition position of the microfiber, it is still difficult to realize the anisotropi

Cited by 2SourceScholar
2023

Prompt-Based Monte-Carlo Tree Search for Goal-oriented Dialogue Policy Planning

EMNLP 2023short main

Planning for goal-oriented dialogue often requires simulating future dialogue interactions and estimating task progress. Many approaches thus consider training neural networks to perform look-ahead search algorithms such as A* search and Monte Carlo Tree Search (MCTS). However, this training often r…

Cited by 0SourcecodeScholar
2023

Uncertainty-Aware Bootstrap Learning for Joint Extraction on Distantly-Supervised Data

ACL 2023short

Jointly extracting entity pairs and their relations is challenging when working on distantly-supervised data with ambiguous or noisy labels. To mitigate such impact, we propose uncertainty-aware bootstrap learning, which is motivated by the intuition that the higher uncertainty of an instance, the m…

2021

Distributed Rendezvous Control of Networked Uncertain Robotic Systems with Bearing Measurements

ICRA 2021poster

In this paper, the distributed rendezvous control problem of networked uncertain robotic systems with bearing measurements is investigated. The network topology of the multi-robot systems is described by an undirected graph. The dynamics of robots is modeled by Euler-Lagrange equation with unknown i…

Cited by 0SourceScholar
2020

A 1 mm-Thick Miniatured Mobile Soft Robot With Mechanosensation and Multimodal Locomotion

RA-L 2020

The miniature soft robots have many promising applications, including micro-manipulations, endoscopy, and microsurgery, etc. Nevertheless, it remains challenging to fabricate a miniatured robot device that is thin, flexible, and can perform multimodal locomotor mobility with sensory capacity. In thi

Cited by 20SourceScholar