Temporal constraints for rule-based event processing. - Karen Walzer; Alexander Schill; Alexander Löser (PIKM, 2007)

A Concept for Flexible Event-Driven Invocation of Distributed Service Compositions. - Karen Walzer; Jürgen Anke; Alexander Löser; Huaigu Wu (ICDCS Workshops, 2007)

Relative temporal constraints in the Rete algorithm for complex event detection. - Karen Walzer; Tino Breddin; Matthias Groch (DEBS, 2008)

Time to the Rescue - Supporting Temporal Reasoning in the Rete Algorithm for Complex Event Processing. - Karen Walzer; Matthias Groch; Tino Breddin (DEXA, 2008)

Event Lifetime Calculation based on Temporal Relationships. - Karen Walzer; Thomas Heinze 001; Anja Klein 001 (KEOD, 2009)

Temporal complex event processing with rule based systems using the rete algorithm. - Karen Walzer (2009)