Media type: E-Article Title: On database query languages for K-relations Contributor: Geerts, Floris; Poggi, Antonella imprint: Elsevier BV, 2010 Published in: Journal of Applied Logic Language: English DOI: 10.1016/j.jal.2009.09.001 ISSN: 1570-8683 Keywords: Applied Mathematics ; Logic Origination: Footnote: Access State: Open Access