11 citations · 43 across the 14 of their papers we have counts for
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math.RA2016★ 4 cited
Disjoint-union partial algebras
Robin Hirsch, Brett McLean
Disjoint union is a partial binary operation returning the union of two sets if they are disjoint and undefined otherwise. A disjoint-union partial algebra of sets is a collection…
cs.AI2016★ 11 cited
Algebraic foundations for qualitative calculi and networks
Robin Hirsch, Marcel Jackson, Tomasz Kowalski
A qualitative representation is like an ordinary representation of a relation algebra, but instead of requiring , as we do for ordinary representations, we…