In present world, biometric base authentication system is used by many agencies for security purpose. Use of important characteristics of biometric based authentication system become so popular because every human presents unique biometric characteristics and biometric recognition done automatically. Biometric authentication system is divided into four steps like biometric template acquisition ...

Many of automated computer programming feedback is generated based on static template matching that need to be provided by the experts. This research focusing developing an online semantic error using dynamic models students’ correct answers submission. Currently, there a lack model due their complexity and varies in terms structure. To solve formulation templates, new front rear n-gram sequenc...