@Techreport{simperl2009dcmfekim, address = "Karlsruhe", author = "Elena Simperl and Frank Dengler and Markus Kr{\"o}tzsch and Katharina Siorpaes and Denny Vrandecic", institution = "Institut AIFB, KIT", number = "D1.1.1", title = "D1.1.1 Conceptual models for enterprise knowledge (Initial Models)", year = "2009", }