update dataset card

README.md

@@ -15,30 +15,65 @@ size_categories:
 
 ## Dataset Description
 - **Purpose**: Automated Essay Scoring Dataset based on Exame Nacional do Ensino Medio (ENEM) data
-- **Contents**: 
-- **Source**: 
-- **Size**: N<500
+- **Contents**: Each line is composed by `['id', 'id_prompt', 'essay_title', 'essay_text', 'grades', 'essay_year']`
+- **Source**: https://educacao.uol.com.br/bancoderedacoes/ and https://vestibular.brasilescola.uol.com.br/banco-de-redacoes
+- **Size**: N<1000
 
 ## Use Case and Creators
-- **Intended Use**:
-- **Creators**:
-- **Contact Information**:
+- **Intended Use**: Estimate Essay Score
+- **Creators**: Igor Cataneo Silveira, André Barbosa and Denis Deratani Mauá
+- **Contact Information**:  [email protected]; [email protected]
 
 ## Licensing Information
-- **License**:
+- **License**: MIT License
 
 ## Citation Details
 - **Preferred Citation**:
+```
+@proceedings{DBLP:conf/propor/2024,
+  editor       = {Igor Cataneo Silveira, André Barbosa and Denis Deratani Mauá},
+  title        = {Computational Processing of the Portuguese Language - 16th International
+                  Conference, {PROPOR} 2024, Galiza, March 13-15, 2024, Proceedings},
+  series       = {Lecture Notes in Computer Science},
+  volume       = {TODO},
+  publisher    = {Springer},
+  year         = {2024},
+  url          = {TODO},
+  doi          = {TODO},
+  isbn         = {TODO},
+  timestamp    = {TODO},
+  biburl       = {TODO},
+  bibsource    = {dblp computer science bibliography, https://dblp.org}
+}
+```
 
 ## Data Structure
 - **Features**:
+  - id: id of scrapped page. `id_prompt`+`id` should be unique
+  - id_prompt: Essay's theme
+  - essay_title: Essay title
+  - essay_text: Essay text
+  - grades: list of 6 elements containing the grade for each of the five concepts plus the sum of all grades
+  - essay_year: Essay's year
 - **Number of Instances**:
+  - sourceAOnly:
+    - train: 227
+    - validation: 68
+    - test: 90
+  - sourceAWithGraders:
+    - train: 744 
+    - validation: 195
+    - test: 216
+  - sourceB:
+    - full: 3219
 - **Data Splits**:
-
+  - sourceAOnly: sourceA data
+  - sourceAWithGraders: sourceA data augmented with Grader's review. In a nutshell, each row becomes three (the original grade plus two graders result)
+  - sourceB: sourceB data
 ## Data Considerations
 - **Known Limitations**:
 - **Ethical Considerations**:
 
 ## Additional Information
-- **Additional Links**:
-- **Related Datasets**:
+- **Additional Links**: Main code is [here](https://github.com/kamel-usp/aes_enem)
+- **Related Datasets**: https://github.com/evelinamorim/aes-pt