Benchmarking Implementations of Term Rewriting and Pattern Matching in Algebraic, Functional, and Object-Oriented Languages - The 4th Rewrite Engines Competition.- Automaton and Equation based Approximations for Reachability Analysis.- Multiparadigm Programming in Maude.- MUnit: A Unit testing framework for Maude.- Parameterized Programming for Compositional System Specification.- Specification and Verification of Data-aware BPMN Processes using Rewriting Modulo SMT.- Associative Unification and Symbolic Reasoning Modulo Associativity in Maude.- Proving Structural Properties of Sequent Systems in Rewriting Logic.- Formal Modeling and Analysis of the Walter Transactional Data Store.- Extending Timbuk to Verify Functional Programs.- Generalized Rewrite Theories and Coherence Completion.- Proving Ground Confluence of Equational Specifications Modulo Axioms.- Uniform Strong Normalization for Multi-Discipline Calculi.- Real-time Rewriting Logic Semantics for Spatial Concurrent ConstraintProgramming.- Approximating any Logic Program by a CS-Program.