Supporting Math Trails on Property Graphs.

pg-MathTrails is an application developed to assess math skills of school students. It includes i) topic hierarchy to categorize the questions, ii) question template repository using which teachers can add different types of questions, iii) question play module to play questions, iv) student evaluation module to evaluate student performance, and v) recommender that recommends videos residing in a video repository. A key feature is that each interactive student session is treated as a walking trail in the property graph formed by topic and question nodes, and student evaluation involves operations on the property graph. The application is being used in the after-school program of Sri Sarada Academy of Excellence, Bangalore.