docs: update readme

README.md

@@ -5,8 +5,6 @@ task_categories:
 tags:
 - ui-referring-expression
 - ui-refexp
-- ui-structure
-- ui-visual-question-answering
 language:
 - en
 pretty_name: UI understanding
@@ -19,11 +17,12 @@ size_categories:
 
 ## Dataset Description
 
-- **Homepage:** 
-- **Repository:** 
-- **Paper:** 
-- **Leaderboard:** 
-- **Point of Contact:** 
+- **Homepage:** https://github.com/google-research-datasets/uibert
+- **Repository:** https://github.com/google-research-datasets/uibert
+- **Paper:** https://arxiv.org/abs/2107.13731
+- **Leaderboard:**
+  - UIBert: https://arxiv.org/abs/2107.13731
+  - Pix2Struct: https://arxiv.org/pdf/2210.03347
 
 ### Dataset Summary
 
@@ -31,14 +30,20 @@ This a Hugging Face formatted dataset derived from the [Google UIBert dataset](h
 
 ### Supported Tasks and Leaderboards
 
-[More Information Needed]
+- UI Understanding
+- UI Referring Expressions
+- UI Action Automation
 
 ### Languages
 
-[More Information Needed]
+- English
 
 ## Dataset Structure
 
+- `image_path`: path to UI screenshot.
+- `question`: Prompt referring to a UI component with an optional action verb. For example "click on search button next to menu drawer." 
+- `answer`: Bounding box of targeted UI components. `[xmin, ymin, xmax, ymax]`
+
 ### Data Instances
 
 [More Information Needed]
@@ -49,7 +54,9 @@ This a Hugging Face formatted dataset derived from the [Google UIBert dataset](h
 
 ### Data Splits
 
-[More Information Needed]
+- train
+- validation
+- test
 
 ## Dataset Creation