User profiles for Shenggong Ji

Shenggong Ji

Tencent
Verified email at tencent.com
Cited by 701

Urban sensing based on human mobility

S Ji, Y Zheng, T Li�- Proceedings of the 2016 ACM International Joint�…, 2016 - dl.acm.org
Urban sensing is a foundation of urban computing, collecting data in cities through ubiquitous
computing techniques, eg using humans as sensors. In this paper, we propose a crowd-…

Spatio-temporal feature fusion for dynamic taxi route recommendation via deep reinforcement learning

S Ji, Z Wang, T Li, Y Zheng�- Knowledge-Based Systems, 2020 - Elsevier
Dynamic taxi route recommendation aims at recommending cruising routes to vacant taxis
such that they can quickly find and pick up new passengers. Given citizens’ giant but …

A deep reinforcement learning-enabled dynamic redeployment system for mobile ambulances

S Ji, Y Zheng, Z Wang, T Li�- Proceedings of the ACM on Interactive�…, 2019 - dl.acm.org
Protecting citizens' lives from emergent accidents (eg traffic accidents) and diseases (eg
heart attack) is of vital importance in urban computing. Every day many people are caught in …

Local structure can identify and quantify influential global spreaders in large scale social networks

Y Hu, S Ji, Y Jin, L Feng…�- Proceedings of the�…, 2018 - National Acad Sciences
Measuring and optimizing the influence of nodes in big-data online social networks are
important for many practical applications, such as the viral marketing and the adoption of new …

Alleviating users' pain of waiting: Effective task grouping for online-to-offline food delivery services

S Ji, Y Zheng, Z Wang, T Li�- The World Wide Web Conference, 2019 - dl.acm.org
Ordering take-out food (aka takeaway food) on online-to-offline (O2O) food ordering and
delivery platforms is becoming a new lifestyle for people living in big cities, thanks to its great …

Effective spreading from multiple leaders identified by percolation in the susceptible-infected-recovered (SIR) model

S Ji, L L�, CH Yeung, Y Hu�- New Journal of Physics, 2017 - iopscience.iop.org
Social networks constitute a new platform for information propagation, but its success is
crucially dependent on the choice of spreaders who initiate the spreading of information. In this …

Histgnn: Hierarchical spatio-temporal graph neural network for weather forecasting

M Ma, P Xie, F Teng, B Wang, S Ji, J Zhang, T Li�- Information Sciences, 2023 - Elsevier
Weather forecasting is an attractive yet challenging task due to its significant impacts on
human life and the intricate nature of atmospheric motion. Deep learning-based techniques, …

FedDSR: Daily schedule recommendation in a federated deep reinforcement learning framework

W Huang, J Liu, T Li, T Huang, S Ji…�- IEEE Transactions on�…, 2021 - ieeexplore.ieee.org
Daily schedule recommendation is an intelligent approach to recommend multiple suitable
activity locations and activity sequences for users based on their needs in a day. In such a …

Urban flow pattern mining based on multi-source heterogeneous data fusion and knowledge graph embedding

J Liu, T Li, S Ji, P Xie, S Du, F Teng…�- IEEE Transactions on�…, 2021 - ieeexplore.ieee.org
Urban flow analysis is an essential research for smart city construction, in which urban flow
pattern analysis focuses on the continuous state of urban flow. How to mine, store and reuse …

Spatio-temporal dynamic graph relation learning for urban metro flow prediction

P Xie, M Ma, T Li, S Ji, S Du, Z Yu…�- IEEE Transactions on�…, 2023 - ieeexplore.ieee.org
Urban metro flow prediction is of great value for metro operation scheduling, passenger flow
management and personal travel planning. However, the problem is challenging. First, …