From the reviews: This is a supercharged, state-of-the-art collection of papers, ranging from ontology and concept mapping to workflow visualization. ... Each volume undergoes a rigorous review process and presents five or six papers, typically selected from the best conferences on ontology, the semantic Web, and logic. ... this is an interesting collection that contains high-level papers that are representative of the state of the art ... . (Chris Mattmann, ACM Computing Reviews, November, 2009)