activity
20232025
most citedSpatial-Temporal Large Language Model for Traffic Prediction

10 citations · 40 across the 26 of their papers we have counts for

collaborators

26 papers

cs.IR2025

Fishing for Answers: Exploring One-shot vs. Iterative Retrieval Strategies for Retrieval Augmented Generation

Huifeng Lin, Gang Su, Jintao Liang +3

Retrieval-Augmented Generation (RAG) based on Large Language Models (LLMs) is a powerful solution to understand and query the industry's closed-source documents. However, basic RAG…

cs.CV2025

Language-Instructed Reasoning for Group Activity Detection via Multimodal Large Language Model

Jihua Peng, Qianxiong Xu, Yichen Liu +4

Group activity detection (GAD) aims to simultaneously identify group members and categorize their collective activities within video sequences. Existing deep learning-based methods…

cs.CV2025

SAMITE: Position Prompted SAM2 with Calibrated Memory for Visual Object Tracking

Qianxiong Xu, Lanyun Zhu, Chenxi Liu +4

Visual Object Tracking (VOT) is widely used in applications like autonomous driving to continuously track targets in videos. Existing methods can be roughly categorized into templa…

cs.AI2025★ 2 cited

Reasoning RAG via System 1 or System 2: A Survey on Reasoning Agentic Retrieval-Augmented Generation for Industry Challenges

Jintao Liang, Gang Su, Huifeng Lin +3

Retrieval-Augmented Generation (RAG) has emerged as a powerful framework to overcome the knowledge limitations of Large Language Models (LLMs) by integrating external retrieval wit…

cs.CV2025

Unlocking the Power of SAM 2 for Few-Shot Segmentation

Qianxiong Xu, Lanyun Zhu, Xuanyi Liu +4

Few-Shot Segmentation (FSS) aims to learn class-agnostic segmentation on few classes to segment arbitrary classes, but at the risk of overfitting. To address this, some methods use…

cs.LG2025

Efficient Multivariate Time Series Forecasting via Calibrated Language Models with Privileged Knowledge Distillation

Chenxi Liu, Hao Miao, Qianxiong Xu +5

Multivariate time series forecasting (MTSF) endeavors to predict future observations given historical data, playing a crucial role in time series data management systems. With adva…

cs.LG2025

Towards Cross-Modality Modeling for Time Series Analytics: A Survey in the LLM Era

Chenxi Liu, Shaowen Zhou, Qianxiong Xu +4

The proliferation of edge devices has generated an unprecedented volume of time series data across different domains, motivating various well-customized methods. Recently, Large La…

cs.MA2024

DTPPO: Dual-Transformer Encoder-based Proximal Policy Optimization for Multi-UAV Navigation in Unseen Complex Environments

Anning Wei, Jintao Liang, Kaiyuan Lin +2

Existing multi-agent deep reinforcement learning (MADRL) methods for multi-UAV navigation face challenges in generalization, particularly when applied to unseen complex environment…

cs.CV2024★ 2 cited

Hybrid Mamba for Few-Shot Segmentation

Qianxiong Xu, Xuanyi Liu, Lanyun Zhu +4

Many few-shot segmentation (FSS) methods use cross attention to fuse support foreground (FG) into query features, regardless of the quadratic complexity. A recent advance Mamba can…

cs.MA2024

GuideLight: "Industrial Solution" Guidance for More Practical Traffic Signal Control Agents

Haoyuan Jiang, Xuantang Xiong, Ziyue Li +7

Currently, traffic signal control (TSC) methods based on reinforcement learning (RL) have proven superior to traditional methods. However, most RL methods face difficulties when ap…

cs.CV2024★ 1 cited

Eliminating Feature Ambiguity for Few-Shot Segmentation

Qianxiong Xu, Guosheng Lin, Chen Change Loy +3

Recent advancements in few-shot segmentation (FSS) have exploited pixel-by-pixel matching between query and support features, typically based on cross attention, which selectively…

cs.MA2024★ 2 cited

CoSLight: Co-optimizing Collaborator Selection and Decision-making to Enhance Traffic Signal Control

Jingqing Ruan, Ziyue Li, Hua Wei +5

Effective multi-intersection collaboration is pivotal for reinforcement-learning-based traffic signal control to alleviate congestion. Existing work mainly chooses neighboring inte…

cs.LG2024★ 3 cited

TimeCMA: Towards LLM-Empowered Multivariate Time Series Forecasting via Cross-Modality Alignment

Chenxi Liu, Qianxiong Xu, Hao Miao +5

Multivariate time series forecasting (MTSF) aims to learn temporal dynamics among variables to forecast future time series. Existing statistical and deep learning-based methods suf…

cs.DB2024

SQL-to-Schema Enhances Schema Linking in Text-to-SQL

Sun Yang, Qiong Su, Zhishuai Li +4

In sophisticated existing Text-to-SQL methods exhibit errors in various proportions, including schema-linking errors (incorrect columns, tables, or extra columns), join errors, nes…

cs.AI2024★ 1 cited

X-Light: Cross-City Traffic Signal Control Using Transformer on Transformer as Meta Multi-Agent Reinforcement Learner

Haoyuan Jiang, Ziyue Li, Hua Wei +5

The effectiveness of traffic light control has been significantly improved by current reinforcement learning-based approaches via better cooperation among multiple traffic lights.…

cs.CL2024★ 3 cited

PET-SQL: A Prompt-Enhanced Two-Round Refinement of Text-to-SQL with Cross-consistency

Zhishuai Li, Xiang Wang, Jingjing Zhao +8

Recent advancements in Text-to-SQL (Text2SQL) emphasize stimulating the large language models (LLM) on in-context learning, achieving significant results. Nevertheless, they face c…

cs.CL2024★ 9 cited

SQLBench: A Comprehensive Evaluation for Text-to-SQL Capabilities of Large Language Models

Bin Zhang, Yuxiao Ye, Guoqing Du +8

Large Language Models (LLMs) have emerged as a powerful tool in advancing the Text-to-SQL task, significantly outperforming traditional methods.Nevertheless, as a nascent research…

cs.LG2024

Non-Neighbors Also Matter to Kriging: A New Contrastive-Prototypical Learning

Zhishuai Li, Yunhao Nie, Ziyue Li +3

Kriging aims at estimating the attributes of unsampled geo-locations from observations in the spatial vicinity or physical connections, which helps mitigate skewed monitoring cause…

cs.LG2024★ 10 cited

Spatial-Temporal Large Language Model for Traffic Prediction

Chenxi Liu, Sun Yang, Qianxiong Xu +4

Traffic prediction, an essential component for intelligent transportation systems, endeavours to use historical data to foresee future traffic features at specific locations. Altho…

cs.LG2023★ 1 cited

PDiT: Interleaving Perception and Decision-making Transformers for Deep Reinforcement Learning

Hangyu Mao, Rui Zhao, Ziyue Li +7

Designing better deep networks and better reinforcement learning (RL) algorithms are both important for deep RL. This work studies the former. Specifically, the Perception and Deci…

cs.MA2023

DuaLight: Enhancing Traffic Signal Control by Leveraging Scenario-Specific and Scenario-Shared Knowledge

Jiaming Lu, Jingqing Ruan, Haoyuan Jiang +3

Reinforcement learning has been revolutionizing the traditional traffic signal control task, showing promising power to relieve congestion and improve efficiency. However, the exis…

cs.CV2023

VisionTraj: A Noise-Robust Trajectory Recovery Framework based on Large-scale Camera Network

Zhishuai Li, Ziyue Li, Xiaoru Hu +5

Trajectory recovery based on the snapshots from the city-wide multi-camera network facilitates urban mobility sensing and driveway optimization. The state-of-the-art solutions devo…

cs.LG2023

A Critical Perceptual Pre-trained Model for Complex Trajectory Recovery

Dedong Li, Ziyue Li, Zhishuai Li +5

The trajectory on the road traffic is commonly collected at a low sampling rate, and trajectory recovery aims to recover a complete and continuous trajectory from the sparse and di…

cs.AI2023★ 3 cited

Controlling Large Language Model-based Agents for Large-Scale Decision-Making: An Actor-Critic Approach

Bin Zhang, Hangyu Mao, Jingqing Ruan +9

The remarkable progress in Large Language Models (LLMs) opens up new avenues for addressing planning and decision-making problems in Multi-Agent Systems (MAS). However, as the numb…