activity
20192022
most citedUnderstanding and predicting travel time with spatio-temporal features of network traffic flow, weather and incidents

59 citations · 120 across the 10 of their papers we have counts for

collaborators

10 papers

cs.LG2022★ 26 cited

Estimating and Mitigating the Congestion Effect of Curbside Pick-ups and Drop-offs: A Causal Inference Approach

Xiaohui Liu, Sean Qian, Hock-Hai Teo +1

Curb space is one of the busiest areas in urban road networks. Especially in recent years, the rapid increase of ride-hailing trips and commercial deliveries has induced massive pi…

stat.AP2022

Statistical inference of travelers' route choice preferences with system-level data

Pablo Guarda, Sean Qian

Traditional network models encapsulate travel behavior among all origin-destination pairs based on a simplified and generic utility function. Typically, the utility function consis…

eess.SY2022★ 1 cited

Estimating probabilistic dynamic origin-destination demands using multi-day traffic data on computational graphs

Wei Ma, Sean Qian

System-level decision making in transportation needs to understand day-to-day variation of network flows, which calls for accurate modeling and estimation of probabilistic dynamic…

cs.SI2020★ 2 cited

From Twitter to Traffic Predictor: Next-Day Morning Traffic Prediction Using Social Media Data

Weiran Yao, Sean Qian

The effectiveness of traditional traffic prediction methods is often extremely limited when forecasting traffic dynamics in early morning. The reason is that traffic can break down…

eess.SP2020★ 9 cited

Learning to Recommend Signal Plans under Incidents with Real-Time Traffic Prediction

Weiran Yao, Sean Qian

The main question to address in this paper is to recommend optimal signal timing plans in real time under incidents by incorporating domain knowledge developed with the traffic sig…

eess.SP2019★ 4 cited

High-Resolution Traffic Sensing with Autonomous Vehicles

Wei Ma, Sean Qian

The last decades have witnessed the breakthrough of autonomous vehicles (AVs), and the perception capabilities of AVs have been dramatically improved. Various sensors installed on…

physics.soc-ph2019★ 1 cited

Measuring and reducing the disequilibrium levels of dynamic networks through ride-sourcing vehicle data

Wei Ma, Sean Qian

Transportation systems are being reshaped by ride-sourcing and shared mobility services in recent years. The transportation network companies (TNCs) have been collecting high-granu…

eess.SY2019★ 9 cited

Estimating multi-class dynamic origin-destination demand through a forward-backward algorithm on computational graphs

Wei Ma, Xidong Pi, Sean Qian

Transportation networks are unprecedentedly complex with heterogeneous vehicular flow. Conventionally, vehicle classes are considered by vehicle classifications (such as standard p…

stat.AP2019★ 59 cited

Understanding and predicting travel time with spatio-temporal features of network traffic flow, weather and incidents

Shuguan Yang, Sean Qian

Travel time on a route varies substantially by time of day and from day to day. It is critical to understand to what extent this variation is correlated with various factors, such…

cs.LG2019★ 9 cited

A deep learning approach to real-time parking occupancy prediction in spatio-temporal networks incorporating multiple spatio-temporal data sources

Shuguan Yang, Wei Ma, Xidong Pi +1

A deep learning model is applied for predicting block-level parking occupancy in real time. The model leverages Graph-Convolutional Neural Networks (GCNN) to extract the spatial re…