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- [papers.md](https://md.mova.elamur.ai/free/en/docs/treebanks/pl/mpdt/papers/) — Papers: UD_Polish-MPDT

# UD_Polish-MPDT

Treebank card from UD release 2.18: metadata and texts come from `UD_Polish-MPDT/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_Polish-MPDT](https://md.mova.elamur.ai/free/en/docs/treebanks/pl/mpdt/papers/); seeds: `seeds/`; converter: `convert.md`.

| Field | Value |
| --- | --- |
| UD name | UD_Polish-MPDT |
| Language | Polish (`pl`) |
| Family | IE |
| Treebank code | `pl_mpdt` |
| UD page | [universaldependencies.org/treebanks/pl mpdt/index.html](https://universaldependencies.org/treebanks/pl_mpdt/index.html) |
| License | CC BY-SA 4.0 |
| Genres | nonfiction, bible, legal, fiction |
| Text in data | yes |
| Parallel | no |
| In UD since | UD v2.17 |
| Authors | Kamil Tomaszek; Alina Wróblewska; Aleksandra Wieczorek |
| Contact | [kt.tomaszek@student.uw.edu.pl](mailto:kt.tomaszek@student.uw.edu.pl) |
| Development | in the UD repo (here) |

## Annotation layers

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

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 | 1 433 | 33 117 | 33 520 | 376 | 0 |
| dev | 162 | 3 697 | 3 748 | 47 | 0 |
| test | 423 | 9 856 | 10 005 | 141 | 0 |
| **total** | 2 018 | 46 670 | 47 273 | 564 | 0 |

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

> UD_Polish-MPDT is a treebank of Middle Polish (17th–18th centuries). It is a rule-based conversion of the [Middle Polish Dependency Treebank](https://korba.edu.pl/treebank?lang=en) (Wieczorek, 2025) from its original annotation to the Universal Dependencies format. The MPDT sentences are sourced from the [KorBa corpus](https://korba.edu.pl/overview?lang=en) (Gruszczyński et al., 2022).

## Introduction

> The UD_Polish-MPDT treebank contains sentences from the Middle Polish period (17th–18th centuries). The material is drawn from the [KorBa corpus](https://korba.edu.pl/overview?lang=en) – The Electronic Corpus of 17th- and 18th-century Polish Texts – a large and diverse collection of Polish literature, scientific texts, official documents, press releases, and more from 1601–1772.
> 
> The syntactic annotations originate from the [Middle Polish Dependency Treebank](https://korba.edu.pl/treebank?lang=en), a project led by Aleksandra Wieczorek, which adds a dependency layer to a selected part of KorBa. The original MPDT annotation follows the conventions of the [Polish Dependency Bank (PDB)](https://zil.ipipan.waw.pl/PDB).
> 
> This initial UD release contains 2,018 sentences and approximately 47K tokens, with plans for further expansion in future versions.

- [← previous UD_Polish-LFG](https://md.mova.elamur.ai/free/en/docs/treebanks/pl/lfg/)
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- [↑ back to Polish (pl) — UD 2.18 treebanks](https://md.mova.elamur.ai/free/en/docs/treebanks/pl/)