The central result of this paper is that every pair-dense relation algebra is completely representable. A relation algebra is said to be pair-dense if every nonzero element below the identity contains ...

#RelEXParser A basic parser made in python, which can parse and process expressions written in relation algebra. The usefulness of relational algebra is that it is not database-query language specific ...

Abstract: Many graph query languages rely on composition to navigate graphs and select nodes of interest, even though evaluating compositions of relations can be costly. Often, this need for ...

This is a preview. Log in through your library . Abstract The standard model for mereotopological structures are Boolean subalgebras of the complete Boolean algebra ...

An illustration of a magnifying glass. An illustration of a magnifying glass.