activity
20232026
most citedA Survey on Service Route and Time Prediction in Instant Delivery: Taxonomy, Progress, and Prospects

5 citations · 11 across the 12 of their papers we have counts for

collaborators

13 papers

cs.LG2026

When to Trust Memory: Retrieval-Guided Probabilistic Spatiotemporal Forecasting under Distribution Shift

Haochen Lv, Jianhao Zhang, Zhichen Lei +5

Spatiotemporal forecasting plays an important role in real-world applications, where probabilistic approaches provide uncertainty estimates for decision-making. Real-world systems…

cs.CV2026

Zoom In, Reason Out: Efficient Far-field Anomaly Detection in Expressway Surveillance Videos via Focused VLM Reasoning Guided by Bayesian Inference

Xiaowei Mao, Bowen Sui, Weijie Zhang +7

Expressway video anomaly detection is important for traffic safety, but remains challenging across diverse scenes, particularly for far-field vehicles with subtle abnormal motion.…

cs.LG2026

Spatial-Temporal Feedback Diffusion Guidance for Controlled Traffic Imputation

Xiaowei Mao, Huihu Ding, Yan Lin +6

Imputing missing values in spatial-temporal traffic data is essential for intelligent transportation systems. Among advanced imputation methods, score-based diffusion models have d…

cs.LG2025

RIPCN: A Road Impedance Principal Component Network for Probabilistic Traffic Flow Forecasting

Haochen Lv, Yan Lin, Shengnan Guo +5

Accurate traffic flow forecasting is crucial for intelligent transportation services such as navigation and ride-hailing. In such applications, uncertainty estimation in forecastin…

cs.CL2025

G-KV: Decoding-Time KV Cache Eviction with Global Attention

Mengqi Liao, Lu Wang, Chaoyun Zhang +7

Recent reasoning large language models (LLMs) excel in complex tasks but encounter significant computational and memory challenges due to long sequence lengths. KV cache compressio…

cs.AI2025

Towards An Efficient and Effective En Route Travel Time Estimation Framework

Zekai Shen, Haitao Yuan, Xiaowei Mao +4

En route travel time estimation (ER-TTE) focuses on predicting the travel time of the remaining route. Existing ER-TTE methods always make re-estimation which significantly hinders…

cs.AI2024

DRL4AOI: A DRL Framework for Semantic-aware AOI Segmentation in Location-Based Services

Youfang Lin, Jinji Fu, Haomin Wen +8

In Location-Based Services (LBS), such as food delivery, a fundamental task is segmenting Areas of Interest (AOIs), aiming at partitioning the urban geographical spaces into non-ov…

eess.SY2024★ 1 cited

DiffLight: A Partial Rewards Conditioned Diffusion Model for Traffic Signal Control with Missing Data

Hanyang Chen, Yang Jiang, Shengnan Guo +3

The application of reinforcement learning in traffic signal control (TSC) has been extensively researched and yielded notable achievements. However, most existing works for TSC ass…

cs.AI2024

DutyTTE: Deciphering Uncertainty in Origin-Destination Travel Time Estimation

Xiaowei Mao, Yan Lin, Shengnan Guo +6

Uncertainty quantification in travel time estimation (TTE) aims to estimate the confidence interval for travel time, given the origin (O), destination (D), and departure time (T).…

cs.LG2024★ 1 cited

STD-PLM: Understanding Both Spatial and Temporal Properties of Spatial-Temporal Data with PLM

YiHeng Huang, Xiaowei Mao, Shengnan Guo +5

Spatial-temporal forecasting and imputation are important for real-world intelligent systems. Most existing methods are tailored for individual forecasting or imputation tasks but…

cs.AI2023★ 5 cited

A Survey on Service Route and Time Prediction in Instant Delivery: Taxonomy, Progress, and Prospects

Haomin Wen, Youfang Lin, Lixia Wu +10

Instant delivery services, such as food delivery and package delivery, have achieved explosive growth in recent years by providing customers with daily-life convenience. An emergin…

cs.LG2023

DRL4Route: A Deep Reinforcement Learning Framework for Pick-up and Delivery Route Prediction

Xiaowei Mao, Haomin Wen, Hengrui Zhang +5

Pick-up and Delivery Route Prediction (PDRP), which aims to estimate the future service route of a worker given his current task pool, has received rising attention in recent years…

cs.DB2023★ 4 cited

LaDe: The First Comprehensive Last-mile Delivery Dataset from Industry

Lixia Wu, Haomin Wen, Haoyuan Hu +10

Real-world last-mile delivery datasets are crucial for research in logistics, supply chain management, and spatio-temporal data mining. Despite a plethora of algorithms developed t…