Thirty years after Forgy's seminal dissertation, Rete remains the de facto standard matching
algorithm. Despite promising research results, alternative algorithms such as TREAT and …

In this paper, we address the different conceptual and technical difficulties encountered
when embedding CHR into an imperative host language. We argue that a tight, natural …

Abstract Constraint Handling Rules (CHR) is a rule-and logic-based formalism and has
established itself as an active research topic. In contrast to other rule-based approaches …

Abstract Constraint Handling Rules (CHR) is a high-level declarative programming
language based on multi-headed multiset rewrite rules, combined with aspects of logic and …

Constraint Programming (CP) is a high-level declarative programming paradigm in which
problems are modeled by means of constraints on the problem variables that need to hold in …

Constraint Handling Rules (CHR) is an elegant, high-level programming language based on
multi-headed, forward chaining rules. To ensure CHR propagation rules are applied at most …

Although various publications confirm the need for a generic DRM software architecture, we
observe that current state-of-theart DRM architectures are not sufficiently detailed to enable …