Terms of Use

Use of synthetic data

• You may use synthetic data only for research purposes.

• You must not download synthetic data from JupyterHub.

  • If we detect any attempt to download synthetic data from JupyterHub, we may disable your ReLEAF account.

Use of real-data validation outputs

• You may use outputs of real-data validation only for research purposes.

• You must not share outputs of real-data validation with third parties.

  • You may publish outputs of real-data validation by following the publication checklist below

Publication checklist

To publish your research findings using data shared on ReLEAF, follow the below steps:

1. Clearly state ReLEAF was used and cite the following paper:

Ito, H., Hsu, C.-Y., & Ogata, H. (2026). Trustworthy Secondary Use of Educational Big Data with ReLEAF. The 2nd International Conference on Learning Evidence and Analytics (ICLEA) 2026. https://library.apsce.net/index.php/ICLEA/article/view/6318

2. Ensure that individuals or schools cannot be easily identified.

3. If you intend to publish a paper in a venue other than the ReLEAF Data Challenge,

   • Contact the admin (Hibiki Ito: hibiki.itoo[at]gmail.com) before submission, and

   • Participate in a 30-minute interview about the experience using ReLEAF before or after publication.

4. Add your publication to ReLEAF Outputs Registry.

Privacy policy

• ReLEAF collects the following data of users (data subjects):

  • Account information (name, email, affiliation)

  • Usage data (requests, projects, chat and interaction logs)

• Purpose of data collection and processing

  • Access control

  • Reviewing real-data validation requests

  • Security/audit logging

  • Research and development at Learning and Educational Technologies Research Unit of Kyoto University

• Data retention and sharing

  • Collected data is deleted 10 years after collection according to the Kyoto University Policy on Research Data Management and Sharing

  • Collected data will not be shared with third parties without users' consents

• Research outputs

  • Aggregated results may be published in academic venues

  • Users may opt out of the research use of their data

  • Usage data and unpublished research contents are handled carefully to prevent identification of individuals.

• Users have rights to access, rectify, erase and stop the processing of their data.