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README.md

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Open Stemmata Database

This repository contains an open source collection of historical text genealogies, in forms of tree-like graphs (stemma) for a variety of languages.

Contributing

Find more information on the project website.

Sending your contribution

You can contribute by sending us images and/or metadata and DOT files,

  • by making a pull request on the main branch (preferred);
  • by opening an issue;
  • by sending it to us via email, to OpenStemmata [at] protonmail.com.

If you wish to contribute, have a look at the examples folder:

It contains several cases:

You can also read our more detailed Guidelines !

Organisation of a record

Actual data is stored in the data folder, and are sorted by linguistic code (e.g., fro for Old French traditions; gmh for Middle High German).

Each record is contained in a dedicated folder, and can contain up to three elements:

  • stemma.png: scan from the source edition;
  • metadata.txt: metadata file about the stemma
  • stemma.gv: GraphViz DOT format file for the stemma.

Generating metadata and DOT files

The following resources can help you create the necessary files:

DOT format is quite easy to master, and uses the following patterns:

  • a -> b link from a to b
  • a -> b [style="dashed"] dashed link from a to b (contamination)
  • a -> b [style="dashed"] grey link from a to b (uncertainty)
  • alpha[color="grey", label="α"] color alpha in grey (for hypothetical nodes, i.e., not extant manuscripts) and label it properly.

If you're hesitant, head over to the online editor for creating the file !

License

Shield: CC BY-SA 4.0

This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

CC BY-SA 4.0