|
--- |
|
annotations_creators: |
|
- no-annotation |
|
language: |
|
- fa |
|
- ru |
|
- zh |
|
language_creators: |
|
- found |
|
license: |
|
- odc-by |
|
multilinguality: |
|
- multilingual |
|
pretty_name: HC4 |
|
size_categories: |
|
- 1M<n<10M |
|
source_datasets: |
|
- extended|c4 |
|
tags: [] |
|
task_categories: |
|
- text-retrieval |
|
task_ids: |
|
- document-retrieval |
|
--- |
|
|
|
# Dataset Card for HC4 |
|
|
|
## Dataset Description |
|
|
|
- **Repository:** https://github.com/hltcoe/HC4 |
|
- **Paper:** https://arxiv.org/abs/2201.09992 |
|
|
|
### Dataset Summary |
|
|
|
HC4 is a suite of test collections for ad hoc Cross-Language Information Retrieval (CLIR), with Common Crawl News documents in Chinese, Persian, and Russian. The documents |
|
are Web pages from Common Crawl in Chinese, Persian, and Russian. |
|
|
|
### Languages |
|
|
|
- Chinese |
|
- Persian |
|
- Russian |
|
|
|
## Dataset Structure |
|
|
|
### Data Instances |
|
|
|
| Split | Documents | |
|
|-----------------|----------:| |
|
| `fas` (Persian) | 486K | |
|
| `rus` (Russian) | 4.7M | |
|
| `zho` (Chinese) | 646K | |
|
|
|
### Data Fields |
|
- `id`: unique identifier for this document |
|
- `cc_file`: source file from connon crawl |
|
- `time`: extracted date/time from article |
|
- `title`: title extracted from article |
|
- `text`: extracted article body |
|
- `url`: source URL |
|
|
|
## Dataset Usage |
|
|
|
Using 🤗 Datasets: |
|
|
|
```python |
|
from datasets import load_dataset |
|
|
|
dataset = load_dataset('neuclir/hc4') |
|
dataset['fas'] # Persian documents |
|
dataset['rus'] # Russian documents |
|
dataset['zho'] # Chinese documents |
|
``` |
|
|
|
## Citation Information |
|
|
|
``` |
|
@article{Lawrie2022HC4, |
|
author = {Dawn Lawrie and James Mayfield and Douglas W. Oard and Eugene Yang}, |
|
title = {HC4: A New Suite of Test Collections for Ad Hoc CLIR}, |
|
booktitle = {{Advances in Information Retrieval. 44th European Conference on IR Research (ECIR 2022)}, |
|
year = {2022}, |
|
month = apr, |
|
publisher = {Springer}, |
|
series = {Lecture Notes in Computer Science}, |
|
site = {Stavanger, Norway}, |
|
url = {https://arxiv.org/abs/2201.09992} |
|
} |
|
``` |
|
|
