Update README.md

README.md

@@ -41,17 +41,13 @@ configs:
 
 ソース: [yahoojapan/JGLUE](https://github.com/yahoojapan/JGLUE/tree/main)
 
-## JCommonsenseQA
+## JSQuAD
 
-> JCommonsenseQA is a Japanese version of CommonsenseQA (Talmor+, 2019), which is a multiple-choice question answering dataset that requires commonsense reasoning ability.
-> It is built using crowdsourcing with seeds extracted from the knowledge base ConceptNet.
+> JSQuAD is a Japanese version of SQuAD (Rajpurkar+, 2016), one of the datasets of reading comprehension.
+> Each instance in the dataset consists of a question regarding a given context (Wikipedia article) and its answer.
+> JSQuAD is based on SQuAD 1.1 (there are no unanswerable questions).
+> We used the Japanese Wikipedia dump as of 20211101.
 
-### Data Fields
-
-- `q_id` (`str`): id
-- `question` (`str`): question
-- `choice{0..4}` (`list[str]`): choice
-- `label` (`int`): correct choice id
 
 ### Licensing Information
 
@@ -97,3 +93,17 @@ configs:
 }
 ```
 
+## Subsets
+
+### default
+
+src: [datasets/jsquad-v1.1](https://github.com/yahoojapan/JGLUE/tree/main/datasets/jsquad-v1.1)
+
+- `id` (`str`): id of a question
+- `title` (`str`): title of a Wikipedia article
+- `context` (`str`): a concatenation of the title and paragraph
+- `question`(`str`): question
+- `answers`(`dict{answer_start(int), text(str)}`): a set of answers
+  - start position (character index)
+  - answer text
+- `is_impossible`(`bool`): all the values are false