An idea originating from my research into relational algrebra and how it has been lost to SQL and its dominance. I was originally curious as to what we might be losing out on, and I also saw a lack of ...

I’m Sammi, a senior Tepper student, majoring in Business Administration and Statistics. I chose CMU because of its interdisciplinary nature, location and wealth of experiential learning opportunities.

The vast majority of students won’t take algebra until middle or high school. But teachers can start laying the groundwork for this pivotal class a lot sooner, some researchers say—and instilling ...

Abstract: We give a language-independent characterization of the expressive power of the relational algebra on finite sets of source-target relation instance pairs. The associated decision problem is ...

Abstract: Consistency checking, as a key and challenging problem in the research field of qualitative spatial reasoning with direction relations in 3D space, has received a lot of attention. It is ...

ABSTRACT: Previous research has shown that math anxiety negatively affected cognitive performance in adults and adolescents beyond arithmetic. In children, math anxiety has been reported to impair ...

Working memory (WM) is one of the most important cognitive functions that may play a role in the relation between math anxiety (MA) and math performance. The processing efficiency theory proposes that ...

Exceptional Laguerre and Jacobi polynomials are bispectral, in the sense that as functions of the continuous variable , they are eigenfunctions of a second order differential operator and as functions ...