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- [papers.md](https://md.mova.elamur.ai/free/en/docs/treebanks/zh/patentchar/papers/) — Papers: UD_Chinese-PatentChar

# UD_Chinese-PatentChar

Treebank card from UD release 2.18: metadata and texts come from `UD_Chinese-PatentChar/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_Chinese-PatentChar](https://md.mova.elamur.ai/free/en/docs/treebanks/zh/patentchar/papers/); seeds: `seeds/`; converter: `convert.md`.

| Field | Value |
| --- | --- |
| UD name | UD_Chinese-PatentChar |
| Language | Chinese (`zh`) |
| Family | Sino-Tibetan |
| Treebank code | `zh_patentchar` |
| UD page | [universaldependencies.org/treebanks/zh patentchar/index.html](https://universaldependencies.org/treebanks/zh_patentchar/index.html) |
| License | CC BY-NC-SA 3.0 |
| Genres | legal |
| Text in data | yes |
| Parallel | no |
| In UD since | UD v2.11 |
| Authors | Yixuan Li; Kim Gerdes; Bruno Guillaume |
| Contact | [li.yixuan727@gmail.com](mailto:li.yixuan727@gmail.com) |
| Development | outside the UD repo (elsewhere): fixes go to the source or the converter |

## Annotation layers

| Layer | Origin |
| --- | --- |
| Lemmas | not available |
| UPOS | manual native |
| XPOS | not available |
| Features | manual native |
| 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 |
| --- | --- | --- | --- | --- | --- |
| test | 200 | 4 784 | 4 784 | 0 | 0 |
| **total** | 200 | 4 784 | 4 784 | 0 | 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. Splits train, dev are absent from the release.

## Summary

> A treebank of Chinese patent application texts collected from the Chinese patent office's website CNIPA.
> 
> The sentences are randomly selected from the patent claims of the IPC section "G" from November 2017 to September 2018.

## Introduction

> The syntactic analysis is originally done in SUD on the character level under the name SUD_Chinese-PatentChar. See SUD Guidelines : [surfacesyntacticud.github.io/guidelines/u](https://surfacesyntacticud.github.io/guidelines/u/)

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