We propose two formal query languages: categorical calculus and categorical algebra, by extending relational calculus and relational algebra respectively. We demonstrate the equivalence between these ...

Abstract: Data provenance is any information about the origin of a piece of data and the process that led to its creation. Most database provenance work has focused on creating models and semantics to ...

In response to the rapid integration of AI across industries, the Computer Science Department has embedded AI principles, tools, and applications into the following elective courses: CS 4320, CS 4460, ...

Data analysis and manipulation is often done in Excel. However, with larger and more complex datasets, a relational database (e.g. Oracle, Microsoft SQL Server/Access) is often a more popular and ...

A cross platform way to express data transformation, relational algebra, standardized record expression and plans.

BRMW is a free open source entity-relationship database modeling tool. We're working to make learning database modeling simple and accessible for everyone.

The concept of grouping in relational algebra is well-known from its connection to aggregation. In this paper we generalize the grouping notion by defining a simultaneous grouping of more than one ...