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Tsammalex Data

Build Status

This repository holds the data served by http://tsammalex.clld.org/ The data is licensed under a Creative Commons Attribution 4.0 International License.

The data is stored as collection of csv files, suitable for editing with LibreOffice.

Adding images

Adding an image is done in two steps:

  1. Adding a row to images.csv, specifying a publicly available URL to access the image in the source_url column (this may be a temporary GitHub repository, wikimedia commons or other publicly available webspace).
  2. Providing the image at the specified URL for download.

Notes:

  • Use the md5 hash of the image file as id for the row in images.csv. Computing this hash can be done using FCIV on Windows, with the md5sum command on Linux or with the md5 command on mac.
  • When a data release is created, new images will be fetched from the sources and uploaded to Edmond - the MPS' media repository.

Referential Integrity

Currently, insuring referential integrity of the data is the responsibility of the editor. In particular editors have to make sure

  • id columns hold unique values,
  • <name>__id columns hold values which exist as id in the referenced table,
  • <name>__ids columns hold comma-separated lists of values which exist as id in the referenced table.

Upon push, referential integrity will be checked by travis-ci.

Changing the scientific name of a species

Since the id of a species is created from its scientifc name, changing this name involves the following steps:

  1. Add a new species with the updated name and id to species.csv.
  2. Update all references to the id in images.csv and words.csv.
  3. TODO redirect the old species to the new one by ...

Supplemental Data

In addition to the data managed in this repository, we fetch data from other sources to enhance the usability of the site.

  • Given a proper scientific name for a species we can fetch a corresponding identifier from EOL.
  • Given an EOL identifier, we can information about the biological classification of a species and a common english name.
  • We also use information on terrestrial ecoregions from WWF, which can be referenced using ecoregion identifiers in the format AT0101.
  • WWF ecoregions and countries in which a species occurs can be computed by matching occurrence information from GBIF against region borders.

Notes

Notes to self:

  • To diff sorted lines, you may run:

    diff -b <(sort words.csv) <(sort words_CN.csv)