ogasurfproject/jccdb

491 downloads in 30 days1 likesLast modified 3 Oct 2026View on Hugging Face

The declared licence (cc-by-4.0) is classified as permissive.

Declared licence: cc-by-4.0, from the tagEvidence: README.md at 58fc8aa
Licence files: No licence file at the top level of the repositoryEvidence: file list at 58fc8aa
Declared sources: None listed in the card metadata
Access gated on Hugging Face: No

Each cell links to what was checked: a file, a file list or a Hub record.

Citation text from the card

@dataset{oga2026jccdb,
  author    = {Oga, Toshikatsu},
  title     = {Japan Construction Cost Database (JCCDB) v4.0},
  year      = {2026},
  publisher = {Zenodo},
  doi       = {10.5281/zenodo.22127752},
  url       = {https://github.com/ogasurfproject-jpg/japan-construction-cost-database},
  note      = {95,403 items / 97 categories, CC BY 4.0 single licence.
               Verified tier 43,090 (32,126 with per-item evidence URLs), Extended 52,313.
               No price data. Per-file SHA-256 in JCCDB_v4_RELEASE_DECLARATION.md, anchored
               to Bitcoin via the JIDEC ledger. Dataset DOI 10.5281/zenodo.22127752;
               Zenodo 21898745 is the prior v3.1 dataset; the engrXiv DOI and Zenodo 20019573
               are the accompanying papers, not the dataset.}
}

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dataset_licence({ "id": "ogasurfproject/jccdb" })
signal: "permissive"
stated_licence: "cc-by-4.0"
sources: 0