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README.md

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-license: mit
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+# Australian Corpus of English (ACE)	
+
+## Overview
+
+The [Australian Corpus of English (ACE)](https://figshare.mq.edu.au/articles/dataset/Australian_Corpus_of_English_ACE_/24629712?file=43778418) corpus was compiled to match Australian data from 1986 to the standard American and British corpora (Brown and LOB) from the 1960s. It includes **1 million words of published text** in **500 samples from 15 categories of nonfiction and fiction**.
+
+**Keywords**: Australian English, Corpus linguistics.
+
+## Data Source
+
+The original dataset is from [Macquarie University Research Data - Australian Corpus of English (ACE)](https://figshare.mq.edu.au/articles/dataset/Australian_Corpus_of_English_ACE_/24629712?file=43778418)  and licensed under [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/).
+
+## Dataset Structure
+
+After unzipping `ACE.zip`, the dataset under `ACE` contains:
+
+- `data` contains 1718 `.txt` files including **plain** and **raw** two formats for each document.
+- `Manul` contains 18 `.HTM` files with **source subtitles** and **author** information for each document.
+
+## Download
+
+You can download it directly from [Macquarie University Research Data - Australian Corpus of English (ACE)](https://figshare.mq.edu.au/articles/dataset/Australian_Corpus_of_English_ACE_/24629712?file=43778418).
+
+You can also download it by running `download.py` in your terminal:
+
+```bash
+$ python3 download.py --help                       
+usage: download.py [-h] [--save_path SAVE_PATH] [--unzip]
+
+Download a file and optionally unzip it.
+
+options:
+  -h, --help            show this help message and exit
+  --save_path SAVE_PATH
+                        Path to save the downloaded file.
+  --unzip               Unzip the file if it's a zip archive.
+```
+
+For example:
+
+- `python3 download.py --save_path my_data --unzip` will download and unzip the dataset `ACE.zip` under the directory `my_data`.
+- `python3 download.py` will only download under the current directory.
+
+## License
+
+This repository is licensed under [MIT](https://opensource.org/license/mit).