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- [papers.md](https://md.mova.elamur.ai/free/en/docs/treebanks/cs/pdtc/papers/) — Papers: UD_Czech-PDTC

# UD_Czech-PDTC

Treebank card from UD release 2.18: metadata and texts come from `UD_Czech-PDTC/README.md`; size is counted by streaming the `.conllu` files and checked against the release `stats.xml`. Generated by `tools/treebanks build`; do not edit by hand. Papers: [Papers: UD_Czech-PDTC](https://md.mova.elamur.ai/free/en/docs/treebanks/cs/pdtc/papers/); seeds: `seeds/`; converter: `convert.md`.

| Field | Value |
| --- | --- |
| UD name | UD_Czech-PDTC |
| Language | Czech (`cs`) |
| Family | IE |
| Treebank code | `cs_pdtc` |
| UD page | [universaldependencies.org/treebanks/cs pdtc/index.html](https://universaldependencies.org/treebanks/cs_pdtc/index.html) |
| License | CC BY-NC-SA 4.0 |
| Genres | news, reviews, nonfiction, academic, spoken, social |
| Text in data | yes |
| Parallel | no |
| In UD since | UD v1.0 |
| Authors | Daniel Zeman; Jan Hajič; Alevtina Bémová; Eva Buráňová; Eva Hajičová; Jiří Havelka; Jaroslava Hlaváčová; Jiří Kárník; Veronika Kolářová; Lucie Kučová; Markéta Lopatková; Marie Mikulová; Jiří Mírovský; Anna Nedoluzhko; Michal Novák; Petr Pajas; Jarmila Panevová; Petr Sgall; Milan Straka; Magda Ševčíková; Jan Štěpánek; Barbora Štěpánková; Zdeňka Urešová; Barbora Vidová Hladká; Zdeněk Žabokrtský |
| Contact | [zeman@ufal.mff.cuni.cz](mailto:zeman@ufal.mff.cuni.cz) |
| Development | outside the UD repo (elsewhere): fixes go to the source or the converter |

## Annotation layers

| Layer | Origin |
| --- | --- |
| Lemmas | converted with corrections |
| UPOS | converted with corrections |
| XPOS | manual native |
| Features | converted with corrections |
| Relations | converted with corrections |

UD scale: *manual native* — annotated by hand directly in UD; *converted from manual* — converted from manual annotation in another scheme; *converted with corrections* — converted and partly corrected by hand; *automatic with corrections* — automatic, with partial manual corrections; *automatic* — automatic; *not available* — the layer is absent.

## Size

| Split | Sentences | Tokens | Words | Multiword tokens | Empty nodes |
| --- | --- | --- | --- | --- | --- |
| train | 171 044 | 2 743 436 | 2 749 813 | 6 377 | 98 038 |
| dev | 22 666 | 383 454 | 384 431 | 977 | 12 419 |
| test | 20 187 | 305 188 | 305 808 | 620 | 10 462 |
| **total** | 213 897 | 3 432 078 | 3 440 052 | 7 974 | 120 919 |

Tokens are surface tokens (Spanish `vámonos` is one), words are syntactic words (`vamos` + `nos`); multiword tokens are those split into several words; empty nodes are the `N.M` nodes of the enhanced graph.

## Summary

> The Czech-PDTC UD treebank is based on the Prague Dependency Treebank – Consolidated (PDT-C) 2.0, created at the Charles University in Prague.

## Introduction

> [PDT-C](https://ufal.mff.cuni.cz/pdt-c) is a collection of four treebanks that were previously released independently and that are now enhanced with further manual linguistic annotation:
> 
> - **PDT:** The original [Prague Dependency Treebank](https://ufal.mff.cuni.cz/pdt3.5), based on texts from daily newspapers, a business weekly, and a popular science magazine, all from 1990s.
> - **PCEDT:** The Czech part of the [Prague Czech-English Dependency Treebank](https://ufal.mff.cuni.cz/pcedt2.0/). The texts are Czech translations of the Wall Street Journal data in the Penn Treebank.
> - **PDTSC:** [Prague Dependency Treebank of Spoken Czech](https://ufal.mff.cuni.cz/pdtsc2.0). It contains transcriptions of spontaneous dialogs from the Malach and Companions projects.
> - **Faust:** A small dataset prepared for the [Faust](https://ufal.mff.cuni.cz/grants/faust) project. It contains user-generated Czech translations of English sentences, created during testing a machine translation system.
> 
> The treebank consists of 3.4 M tokens. It is licensed under the terms of [CC BY-NC-SA 4.0](http://creativecommons.org/licenses/by-nc-sa/4.0/) and its original (non-UD) version can be downloaded from [http://hdl.handle.net/11234/1-5813](http://hdl.handle.net/11234/1-5813).
> 
> The morphological and syntactic annotation of the Czech UD treebank is created through a conversion of PDT-C data. The conversion procedure has been designed by Daniel Zeman and implemented in Treex.

- [← previous UD_Czech-FicTree](https://md.mova.elamur.ai/free/en/docs/treebanks/cs/fictree/)
- [next → UD_Czech-Poetry](https://md.mova.elamur.ai/free/en/docs/treebanks/cs/poetry/)
- [↑ back to Czech (cs) — UD 2.18 treebanks](https://md.mova.elamur.ai/free/en/docs/treebanks/cs/)