Update dataset card (#6)

- Update dataset card (7616737cc2c6715bd6325183863db15c8ac16068)

README.md

@@ -120,7 +120,7 @@ task_categories:
 - translation
 task_ids: []
 paperswithcode_id: opus-100
-pretty_name: Opus100
+pretty_name: OPUS-100
 config_names:
 - af-en
 - am-en
@@ -3232,7 +3232,7 @@ configs:
     path: ru-zh/test-*
 ---
 
-# Dataset Card for Opus100
+# Dataset Card for OPUS-100
 
 ## Table of Contents
 - [Dataset Description](#dataset-description)
@@ -3260,19 +3260,23 @@ configs:
 
 ## Dataset Description
 
-- **Homepage:** [Link](http://opus.nlpl.eu/opus-100.php) 
-- **Repository:** [GitHub](https://github.com/EdinburghNLP/opus-100-corpus)
-- **Paper:** [ARXIV](https://arxiv.org/abs/2004.11867)
-- **Leaderboard:** 
-- **Point of Contact:** 
+- **Homepage:** https://opus.nlpl.eu/OPUS-100
+- **Repository:** https://github.com/EdinburghNLP/opus-100-corpus
+- **Paper:** https://arxiv.org/abs/2004.11867
+- **Paper:** https://aclanthology.org/L10-1473/
+- **Leaderboard:** [More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)
+- **Point of Contact:** [More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)
 
 ### Dataset Summary
 
-OPUS-100 is English-centric, meaning that all training pairs include English on either the source or target side. The corpus covers 100 languages (including English). Selected the languages based on the volume of parallel data available in OPUS.
+OPUS-100 is an English-centric multilingual corpus covering 100 languages.
+
+OPUS-100 is English-centric, meaning that all training pairs include English on either the source or target side. The corpus covers 100 languages (including English).
+The languages were selected based on the volume of parallel data available in OPUS.
 
 ### Supported Tasks and Leaderboards
 
-[More Information Needed]
+Translation.
 
 ### Languages
 
@@ -3284,15 +3288,16 @@ OPUS-100 contains approximately 55M sentence pairs. Of the 99 language pairs, 44
 
 ```
 {
-  "ca": "El departament de bombers té el seu propi equip d'investigació.",
-  "en": "Well, the fire department has its own investigative unit."
+  "translation": {
+    "ca": "El departament de bombers té el seu propi equip d'investigació.",
+    "en": "Well, the fire department has its own investigative unit."
+  }
 }
 ```
 
 ### Data Fields
 
-- `src_tag`: `string` text in source language
-- `tgt_tag`: `string` translation of source language in target language
+- `translation` (`dict`): Parallel sentences for the pair of languages.
 
 ### Data Splits
 
@@ -3356,14 +3361,49 @@ The dataset is split into training, development, and test portions. Data was pre
 
 ### Citation Information
 
+If you use this corpus, please cite the paper:
+```bibtex
+@inproceedings{zhang-etal-2020-improving,
+    title = "Improving Massively Multilingual Neural Machine Translation and Zero-Shot Translation",
+    author = "Zhang, Biao  and
+      Williams, Philip  and
+      Titov, Ivan  and
+      Sennrich, Rico",
+    editor = "Jurafsky, Dan  and
+      Chai, Joyce  and
+      Schluter, Natalie  and
+      Tetreault, Joel",
+    booktitle = "Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics",
+    month = jul,
+    year = "2020",
+    address = "Online",
+    publisher = "Association for Computational Linguistics",
+    url = "https://aclanthology.org/2020.acl-main.148",
+    doi = "10.18653/v1/2020.acl-main.148",
+    pages = "1628--1639",
+}
 ```
-@misc{zhang2020improving,
-      title={Improving Massively Multilingual Neural Machine Translation and Zero-Shot Translation}, 
-      author={Biao Zhang and Philip Williams and Ivan Titov and Rico Sennrich},
-      year={2020},
-      eprint={2004.11867},
-      archivePrefix={arXiv},
-      primaryClass={cs.CL}
+and, please, also acknowledge OPUS:
+```bibtex
+@inproceedings{tiedemann-2012-parallel,
+    title = "Parallel Data, Tools and Interfaces in {OPUS}",
+    author = {Tiedemann, J{\"o}rg},
+    editor = "Calzolari, Nicoletta  and
+      Choukri, Khalid  and
+      Declerck, Thierry  and
+      Do{\u{g}}an, Mehmet U{\u{g}}ur  and
+      Maegaard, Bente  and
+      Mariani, Joseph  and
+      Moreno, Asuncion  and
+      Odijk, Jan  and
+      Piperidis, Stelios",
+    booktitle = "Proceedings of the Eighth International Conference on Language Resources and Evaluation ({LREC}'12)",
+    month = may,
+    year = "2012",
+    address = "Istanbul, Turkey",
+    publisher = "European Language Resources Association (ELRA)",
+    url = "http://www.lrec-conf.org/proceedings/lrec2012/pdf/463_Paper.pdf",
+    pages = "2214--2218",
 }
 ```