Add paper link, code link and improve metadata

README.md

@@ -1,66 +1,70 @@
 ---
 language:
-  - zh
+- zh
 license: mit
-pretty_name: RedNote Covert Advertisement Detection Dataset
+size_categories:
+- 1K<n<10K
+pretty_name: CHASM - RedNote Covert Advertisement Detection Dataset
+task_categories:
+- image-text-to-text
 tags:
-  - covert advertisement detection
-  - social-media
-  - image-text
-  - multimodal
-  - RedNote
-  - Xiaohongshu
+- covert advertisement detection
+- social-media
+- image-text
+- multimodal
+- RedNote
+- Xiaohongshu
 datasets:
-  - Jingyi77/CHASM-Covert_Advertisement_on_RedNote
+- Jingyi77/CHASM-Covert_Advertisement_on_RedNote
 dataset_info:
-  - config_name: default
-    features:
-      - name: id
-        dtype: string
-      - name: title
-        dtype: string
-      - name: description
-        dtype: string
-      - name: date
-        dtype: string
-      - name: comments
-        sequence:
-          dtype: string
-      - name: images
-        sequence:
-          dtype: string
-      - name: image_count
-        dtype: int32
-      - name: label
-        dtype: int8
-      - name: split
-        dtype: string
+- config_name: default
+  features:
+  - name: id
+    dtype: string
+  - name: title
+    dtype: string
+  - name: description
+    dtype: string
+  - name: date
+    dtype: string
+  - name: comments
+    sequence:
+      dtype: string
+  - name: images
+    sequence:
+      dtype: string
+  - name: image_count
+    dtype: int32
+  - name: label
+    dtype: int8
+  - name: split
+    dtype: string
 configs:
-  - config_name: Example
-    data_files:
-      - split: Example
-        path: example.parquet
-      - split: Train_1
-        path: train_part_1.parquet
-      - split: Train_2
-        path: train_part_2.parquet
-      - split: Train_3
-        path: train_part_3.parquet
-      - split: Train_4
-        path: train_part_4.parquet
-      - split: Test
-        path: test.parquet
-      - split: Validation
-        path: validation.parquet
-size_categories:
-  - 10<n<100
+- config_name: Example
+  data_files:
+  - split: Example
+    path: example.parquet
+  - split: Train_1
+    path: train_part_1.parquet
+  - split: Train_2
+    path: train_part_2.parquet
+  - split: Train_3
+    path: train_part_3.parquet
+  - split: Train_4
+    path: train_part_4.parquet
+  - split: Test
+    path: test.parquet
+  - split: Validation
+    path: validation.parquet
 ---
 
 <!-- @format -->
 
-# RedNote Covert Advertisement Detection Dataset
+# RedNote Covert Advertisement Detection Dataset (CHASM)
+
+This dataset contains posts from the RedNote platform for covert advertisement detection tasks, introduced in the paper [CHASM: Unveiling Covert Advertisements on Chinese Social Media](https://huggingface.co/papers/2604.20511).
 
-This dataset contains posts from the RedNote platform for covert advertisement detection tasks.
+[**Paper**](https://huggingface.co/papers/2604.20511) | [**Code**](https://github.com/Jingyi62/CHASM)
 
 ## Dataset Overview
 
@@ -89,9 +93,9 @@ The example parquet file contains the following fields:
 
 ## Dataset Features
 
-- **Multimodal Data**: Each post contains both text (title, description, comments) and images
-- **Real-world Data**: Collected from actual social media posts on the RedNote platform
-- **Multiple Images**: Each post may contain multiple images (average of 5.27 images per post)
+- **Multimodal Data**: Each post contains both text (title, description, comments) and images.
+- **Real-world Data**: Collected from actual social media posts on the RedNote platform.
+- **Multiple Images**: Each post may contain multiple images (average of 5.27 images per post).
 
 ## Data Format
 
@@ -129,13 +133,11 @@ images = example["images"]  # List of images
 
 If you use this dataset in your research, please cite:
 
-```
-@dataset{CHASM,
-  author = {Jingyi Zheng, Tianyi Hu, Yule Liu, Zhen Sun, Zongmin Zhang, Wenhan Dong, Zifan Peng, Xinlei He},
-  title = {CHASM: Unveiling Covert Advertisements on Chinese Social Media},
-  year = {2025},
-  publisher = {Hugging Face},
-  journal = {Hugging Face Hub},
-  howpublished = {\url{https://huggingface.co/datasets/Jingyi77/CHASM-Covert_Advertisement_on_RedNote}}
+```bibtex
+@article{zheng2025chasm,
+  title={CHASM: Unveiling Covert Advertisements on Chinese Social Media},
+  author={Zheng, Jingyi and Hu, Tianyi and Liu, Yule and Sun, Zhen and Zhang, Zongmin and Dong, Wenhan and Peng, Zifan and He, Xinlei},
+  journal={arXiv preprint arXiv:2604.20511},
+  year={2025}
 }
-```
+```