Add paper link and improve model card metadata

README.md

@@ -1,19 +1,24 @@
 ---
-license: llama3.1
 base_model: meta-llama/Llama-3.1-8B-Instruct
 library_name: transformers
+license: llama3.1
+pipeline_tag: text-generation
 tags:
-  - drug-combination
-  - relation-extraction
-  - biomedical
-  - llama
-  - chain-of-thought
+- drug-combination
+- relation-extraction
+- biomedical
+- llama
+- chain-of-thought
 ---
 
 # RexDrug-Base
 
 This is the SFT (Supervised Fine-Tuning) base model for **RexDrug**, a chain-of-thought reasoning model for biomedical drug combination relation extraction.
 
+For more details, please refer to the paper: [RexDrug: Reliable Multi-Drug Combination Extraction through Reasoning-Enhanced LLMs](https://huggingface.co/papers/2603.08166).
+
+**Official Code:** [DUTIR-BioNLP/RexDrug](https://github.com/DUTIR-BioNLP/RexDrug)
+
 ## Model Details
 
 - **Base architecture**: [Llama-3.1-8B-Instruct](https://huggingface.co/meta-llama/Llama-3.1-8B-Instruct)
@@ -40,4 +45,4 @@ model = PeftModel.from_pretrained(model, "dlutIR/RexDrug-adapter")
 
 ## License
 
-This model is built upon Llama 3.1 and is subject to the [Llama 3.1 Community License Agreement](https://github.com/meta-llama/llama-models/blob/main/models/llama3_1/LICENSE).
+This model is built upon Llama 3.1 and is subject to the [Llama 3.1 Community License Agreement](https://github.com/meta-llama/llama-models/blob/main/models/llama3_1/LICENSE).