Before revision:  With OMAS, we performed the first comprehensive study of real-world ORM framework-based applications, where we analyzed the performance and programming patterns across 26 open-source  applications, covering domains such as forum , e-commerce, project management, blogging , etc.
After revision:  With OMAS, we performed the first comprehensive study of real-world ORM framework-based applications, where we analyzed the performance and programming patterns across 26 open-source Rails applications, covering domains such as forum , e-commerce, project management, blogging , etc.