Topology

Precomputed topological order (in two formats: CSV and bitstream) and generation numbers (as as plain array). The swh_graph_topology is needed to read the topological order bitstream, but is significantly faster than CSV and allows some parallel processing.

3 datasets

Topology #

Dataset size

Unknown

Export date

2025-10-08

Derived of

Full compressed graph [2025-10-08]

S3 URL

s3://softwareheritage/derived_datasets/2025-10-08/topology_forward_ori,snp,rel,rev,dir,cnt/
Download

For Amazon S3 links, you'll need to install either awscli or swh.datasets.
```
aws s3 cp --recursive --no-sign-request s3://softwareheritage/derived_datasets/2025-10-08/topology_forward_ori,snp,rel,rev,dir,cnt/ 2025-10-08-topology
```
Referencing the dataset

If you use this dataset for research purposes, please acknowledge Software Heritage as recommended in the publications page, which means doing the next two things:
1. Add a footnote on the title page of your paper, formatted as: “This work was made possible by Software Heritage, the universal source code archive: https://www.softwareheritage.org”
2. Cite the following papers:
  - Jean-François Abramatic, Roberto Di Cosmo, and Stefano Zacchiroli. Building the universal archive of source code. Commun. ACM, 61(10):29–31, 2018. URL: https://doi.org/10.1145/3183558, doi:10.1145/3183558. (BibTeX)
  - Roberto Di Cosmo and Stefano Zacchiroli. Software heritage: why and how to preserve software source code. In Shoichiro Hara, Shigeo Sugimoto, and Makoto Goto, editors, Proceedings of the 14th International Conference on Digital Preservation, iPRES 2017, Kyoto, Japan, September 25-29, 2017. 2017. URL: https://hdl.handle.net/11353/10.931064. (BibTeX)
Topology #

Dataset size

Unknown

Export date

2025-05-18

Derived of

Full compressed graph [2025-05-18]

S3 URL

s3://softwareheritage/derived_datasets/2025-05-18/topology_forward_ori,snp,rel,rev,dir,cnt/
Download

For Amazon S3 links, you'll need to install either awscli or swh.datasets.
```
aws s3 cp --recursive --no-sign-request s3://softwareheritage/derived_datasets/2025-05-18/topology_forward_ori,snp,rel,rev,dir,cnt/ 2025-05-18-topology
```
Referencing the dataset

If you use this dataset for research purposes, please acknowledge Software Heritage as recommended in the publications page, which means doing the next two things:
1. Add a footnote on the title page of your paper, formatted as: “This work was made possible by Software Heritage, the universal source code archive: https://www.softwareheritage.org”
2. Cite the following papers:
  - Jean-François Abramatic, Roberto Di Cosmo, and Stefano Zacchiroli. Building the universal archive of source code. Commun. ACM, 61(10):29–31, 2018. URL: https://doi.org/10.1145/3183558, doi:10.1145/3183558. (BibTeX)
  - Roberto Di Cosmo and Stefano Zacchiroli. Software heritage: why and how to preserve software source code. In Shoichiro Hara, Shigeo Sugimoto, and Makoto Goto, editors, Proceedings of the 14th International Conference on Digital Preservation, iPRES 2017, Kyoto, Japan, September 25-29, 2017. 2017. URL: https://hdl.handle.net/11353/10.931064. (BibTeX)
Topology #

Dataset size

Unknown

Export date

2024-12-06

Derived of

Full compressed graph [2024-12-06]

S3 URL

s3://softwareheritage/derived_datasets/2024-12-06/topology_forward_ori,snp,rel,rev,dir,cnt/
Download

For Amazon S3 links, you'll need to install either awscli or swh.datasets.
```
aws s3 cp --recursive --no-sign-request s3://softwareheritage/derived_datasets/2024-12-06/topology_forward_ori,snp,rel,rev,dir,cnt/ 2024-12-06-topology
```
Referencing the dataset

If you use this dataset for research purposes, please acknowledge Software Heritage as recommended in the publications page, which means doing the next two things:
1. Add a footnote on the title page of your paper, formatted as: “This work was made possible by Software Heritage, the universal source code archive: https://www.softwareheritage.org”
2. Cite the following papers:
  - Jean-François Abramatic, Roberto Di Cosmo, and Stefano Zacchiroli. Building the universal archive of source code. Commun. ACM, 61(10):29–31, 2018. URL: https://doi.org/10.1145/3183558, doi:10.1145/3183558. (BibTeX)
  - Roberto Di Cosmo and Stefano Zacchiroli. Software heritage: why and how to preserve software source code. In Shoichiro Hara, Shigeo Sugimoto, and Makoto Goto, editors, Proceedings of the 14th International Conference on Digital Preservation, iPRES 2017, Kyoto, Japan, September 25-29, 2017. 2017. URL: https://hdl.handle.net/11353/10.931064. (BibTeX)

By accessing the datasets, you agree with the Software Heritage Ethical Charter for using the archive data, the terms of use for bulk access, and the Software Heritage principles for large language models.

To learn how to use the datasets read the documentation.

Topology

3 datasets

Topology #

Topology #

Topology #