Update README.md

README.md

@@ -1,3 +1,33 @@
----
-license: mit
----
+---
+license: mit
+---
+
+# Explore data
+
+## Articles and Pages Format.
+
+- article_id: id of article.
+- url: path to article https://reference.medscape.com/{view article path}
+- article_data: Store all pages in article. Each page will store content of medical cases (paragraphs, figures) and some related questions.
+
+    - title: title of page.
+    - authors: authors' name.
+    - date: posted date.
+    - content: list of paragraph text corpora.
+    - figures: a list of captions and image_url links for figures.
+    - pagination: information about pagination.
+    - questionnaire: related questions asked in this page.
+    - *markdown*: A condensed markdown version created from content field and figure field.
+
+- questions: a list of questions asked in article_data (the same "questionnaire" field in article_data).
+
+## Questions Format
+
+- questionId: id of question.
+- questionText: Question text shown for user.
+- ...
+- choices: a list of choices
+    - choiceText: choice text shown for user.
+    - choiceId: id of choice.
+    - *correct*: true / false, true means this choice is the answer to question otherwise it is not.
+    - ...