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---
dataset_info:
  features:
  - name: sent_text
    dtype: string
  - name: sent_id
    dtype: string
  - name: token_ids
    sequence: string
  - name: token_forms
    sequence: string
  - name: token_lemmas
    sequence: string
  - name: token_upos
    sequence: string
  - name: token_xpos
    sequence: string
  - name: token_feats
    sequence: string
  - name: token_head
    sequence: int32
  - name: token_deprels
    sequence: string
  - name: token_deps
    sequence: string
  - name: token_miscs
    sequence: string
  - name: sent_metadata
    dtype: string
  - name: corpus
    dtype: string
  splits:
  - name: train
    num_bytes: 57596921
    num_examples: 27219
  - name: validation
    num_bytes: 7132032
    num_examples: 2595
  - name: test
    num_bytes: 6901121
    num_examples: 2763
  download_size: 9544323
  dataset_size: 71630074
configs:
- config_name: default
  data_files:
  - split: train
    path: data/train-*
  - split: validation
    path: data/validation-*
  - split: test
    path: data/test-*
license: cc
language:
- grc
---

# Aggregated Universal Dependencies for Ancient Greek

Based on the Github r2.15 release of all Ancient Greek corpora, namely PROIEL, Perseus, PTNK. Parsed with [`conllu`](https://github.com/EmilStenstrom/conllu).

To ensure compatibility with Hugging Face datasets and the underlying Arrow format, some quirks are present in the dataset:

- the ID field (`token_ids`) is a string rather than an integer. This is needed because in rare cases the ID can be a token range like `1-2`.
- because features can contain arbitrary content that is only semi-structured (not consistent across tokens), it is dumped as a JSON string for each token. So the `token_feats` field is a list of strings where each string should be JSON-decoded before use.
- the same is true for `token_miscs`
- and also for `sent_metadata` which contains the sentence metadata apart from the text and ID

## License

Note that not all corpora have the same license. Only use those that you can comply with and filter as necessary on the `corpus` field:

- "PROIEL": "cc-by-nc-sa-4.0"
- "Perseus": "cc-by-nc-sa-2.5"
- "PTNK": "cc-by-sa-4.0"