Media type: E-Article Title: Principles and Practice of Semantic Web Reasoning: Towards a Multi-calendar Temporal Type System for (Semantic) Web Query Languages Contributor: Bry, François; Spranger, Stephanie imprint: Springer Berlin Heidelberg, 2004 Published in: Principles and Practice of Semantic Web Reasoning Language: Not determined DOI: 10.1007/978-3-540-30122-6_8 ISSN: 0302-9743; 1611-3349 Origination: Footnote: