Update about.md

_pages/about.md

@@ -46,7 +46,7 @@ Publications
 
 1. Mingda Li, **Weiting Gao**, and Yi Chen. A Topic and Concept Integrated Model for Thread Recommendation in Online Health Communities. The 29th ACM international Conference on Information and Knowledge Management (CIKM), 2020 [[code]](https://github.com/WeitingGG/Recommender-System-for-OHC-CLIR-CLLIR)
 
-1. **Weiting Gao**, Xiangyu Gao, and Yi Chen. A Graph-Based Semantic Learning Model for Hospital Readmission Prediction (Working in Progress)\\
+1. **Weiting Gao**, Xiangyu Gao, and Yi Chen. A Graph Learning Model for Hospital Readmission Prediction (Working in Progress)\\
 ***Oral presentation** at INFORMS 2023*
 
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