This is an open source Lean 4 Library with proves about data structures for working with the relational calculus. The motivation of this is two-fold. First as an educational resource for learning ...

Welcome to the Arches Relational Data Model Tutorial! This tutorial aims to familiarize you with the basics of the relational data model for loading data into Arches. Please see the project page for ...

Abstract: We introduce a theory of relations and a method to prove using relational calculus. Several notions in mathematics and computer science are formalized using relational expressions.

Abstract: Query formulation is increasingly performed by systems that need to guess a user's intent (e.g. via spoken word interfaces). But how can a user know that the computational agent is returning ...