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Spatio-temporal Diffusion Point Processes

This project was initially described in the full research track paper Spatio-temporal Diffusion Point Processes at KDD 2023 in Long Beach, CA. Contributors to this project are from the Future Intelligence laB (FIB) at Tsinghua University.

The code is tested under a Linux desktop with torch 1.7 and Python 3.7.10.

Installation

Environment

• Tested OS: Linux
• Python >= 3.7
• PyTorch == 1.7.1
• Tensorboard

Dependencies

1. Install PyTorch 1.7.1 with the correct CUDA version.
2. Use the pip install -r requirements. txt command to install all of the Python modules and packages used in this project.

Model Training

Use the following command to train DSTPP on Earthquake dataset:

python app.py --dataset Earthquake --mode train --timesteps 500 --samplingsteps 500 --batch_size 64 --total_epochs 2000

To train DSTPP on other datasets:

python app.py --dataset COVID19 --mode train --timesteps 500 --samplingsteps 500 --batch_size 64 --total_epochs 2000

python app.py --dataset Citibike --mode train --timesteps 500 --samplingsteps 500 --batch_size 128 --total_epochs 2000

python app.py --dataset Independent --mode train --timesteps 500 --samplingsteps 500 --batch_size 128 --total_epochs 2000

The trained models are saved in ModelSave/.

The logs are saved in logs/.

Note

The implemention is based on DDPM.

If you found this library useful in your research, please consider citing:

@inproceedings{yuan2023DSTPP,
  author = {Yuan, Yuan and Ding, Jingtao and Shao, Chenyang and Jin, Depeng and Li, Yong},
  title = {Spatio-Temporal Diffusion Point Processes},
  year = {2023},
  booktitle = {Proceedings of the 29th ACM SIGKDD Conference on Knowledge Discovery and Data Mining},
  pages = {3173–3184},
}