add pwc link

README.md

@@ -18,6 +18,7 @@ task_categories:
 - token-classification
 task_ids:
 - part-of-speech-tagging
+paperswithcode_id: ritter-pos
 ---
 
 # Dataset Card for "twitter-pos"
@@ -72,7 +73,7 @@ Splits defined in the Derczynski paper, but the data is from Ritter and Foster.
 
 ### Supported Tasks and Leaderboards
 
-[More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)
+* [Part of speech tagging on Ritter](https://paperswithcode.com/sota/part-of-speech-tagging-on-ritter)
 
 ### Languages
 
@@ -85,7 +86,7 @@ English, non-region-specific. `bcp47:en`
 An example of 'train' looks as follows.
 
 ```
-
+{'id': '0', 'tokens': ['Antick', 'Musings', 'post', ':', 'Book-A-Day', '2010', '#', '243', '(', '10/4', ')', '--', 'Gray', 'Horses', 'by', 'Hope', 'Larson', 'http://bit.ly/as8fvc'], 'pos_tags': [23, 23, 22, 9, 23, 12, 22, 12, 5, 12, 6, 9, 23, 23, 16, 23, 23, 51]}
 ```