tppllm/amazon-review

Amazon Review Dataset

This dataset contains Amazon reviews from January 1, 2018, to June 30, 2018. It includes 2,245 sequences with 127,054 events across 18 category types. The original data is available at Amazon Review Data with citation information provided on the page. The detailed data preprocessing steps used to create this dataset can be found in the TPP-LLM paper and TPP-Embedding paper.

Update (2025-10-28): Added three timestamp fields (timestamp_event, timestamp_since_start, timestamp_since_last_event) in seconds. No other changes were made.

If you find this dataset useful, we kindly invite you to cite the following papers:

@article{liu2024tppllmm,
  title={TPP-LLM: Modeling Temporal Point Processes by Efficiently Fine-Tuning Large Language Models},
  author={Liu, Zefang and Quan, Yinzhu},
  journal={arXiv preprint arXiv:2410.02062},
  year={2024}
}

@article{liu2024retrieval,
  title={Retrieval of Temporal Event Sequences from Textual Descriptions},
  author={Liu, Zefang and Quan, Yinzhu},
  journal={arXiv preprint arXiv:2410.14043},
  year={2024}
}