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README.md

@@ -57,3 +57,58 @@ pretty_name: CLASum
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+
+# Dataset Card for CLASum Dataset
+
+## Table of Contents
+- [Dataset Description](#dataset-description)
+  - [Dataset Summary](#dataset-summary)
+- [Dataset Structure](#dataset-structure)
+  - [Data Fields](#data-fields)
+- [Additional Information](#additional-information)
+  - [Licensing Information](#licensing-information)
+  - [Citation Information](#citation-information)
+
+## Dataset Description
+
+- **Point of Contact:** [Vicent Ahuir](mailto:[email protected])
+
+### Dataset Summary
+
+The CLASum is built for abstractivity characterization and measurement in the summarization task. It contains 200 document-summary pairs extracted from CNN/DailyMail and XSUM datasets. Each summary has been annotated for 11 summary-related questions by 3 different annotators.  
+
+### Data Fields
+
+- `id`: Sample identifier
+- `source`: Dataset of the document-summary pair 
+- `source_id`: Identifier of the pair in the original dataset
+- `document`: The document to summarize
+- `summary`: A summary for the document
+- `annotator`: Identifier of the annotator
+- `A`: Answer for a question related to relevance of the information in the summary
+- `B`: Answer for a question related to amount of novel information within the summary 
+- `C`: Answer for a question related to the level of abstractivity
+- `D`: Answer for a question related to the content exclusion action 
+- `E`: Answer for a question related to the information melting action 
+- `F`: Answer for a question related to the syntaxis alteration action 
+- `G`: Answer for a question related to the synonym action
+- `H`: Answer for a question related to the generalization action
+- `I`: Answer for a question related to the specification action 
+- `J`: Answer for a question related to the ccontent reordering action 
+
+
+## Additional Information
+
+### Licensing Information
+
+The CLASum dataset is released under the [Apache-2.0 License](http://www.apache.org/licenses/LICENSE-2.0). 
+
+### Citation Information
+
+```
+@Unpublished{Ahuir2025,
+  author = {Vicent Ahuir and Lluís-F. Hurtado},
+  date   = {2025-10},
+  title  = {Beyond ``Using Their Own Words'': Abstractivity Characterization in Summarization},
+}
+```