Black and Latino students are much less likely to have early access to Algebra 1 than their white and Asian peers—even when they’re in the same schools, and have similarly high math scores, according ...

Abstract: An extension of E.F. Codd's relational algebra (1970) with an alpha ( alpha ) operator is presented that allows a large class of natural and useful recursive queries to be expressed, and yet ...

Cognitive dissonance happens when you hold two conflicting thoughts in your mind at the same time — like loving both hamburgers and cows. Cognitive dissonance is a theory in social psychology first ...

Learn the key differences between relational and NoSQL databases with this in-depth comparison. There’s nothing wrong with the traditional relational database management system. In fact, many NoSQL ...

The Harvard Math Department will pilot a new introductory course aimed at rectifying a lack of foundational algebra skills among students, according to Harvard’s Director of Introductory Math Brendan ...

Graph databases (GDBs) 13, 30 have gained momentum with the rise of large unstructured repositories of information that emphasize relations between entities. Dozens of GDB management systems, 8, 22, ...

There are many ways to describe a database: the role it plays in a distributed architecture, the various internal components that make it work, and the various levels that define specific roles and ...