Media type: E-Article Title: A graph-theoretic approach to optimize keyword queries in relational databases Contributor: Park, Jaehui; Lee, Sang-goo Published: Springer Science and Business Media LLC, 2014 Published in: Knowledge and Information Systems, 41 (2014) 3, Seite 843-870 Language: English DOI: 10.1007/s10115-013-0690-2 ISSN: 0219-1377; 0219-3116 Keywords: Artificial Intelligence ; Hardware and Architecture ; Human-Computer Interaction ; Information Systems ; Software Origination: Footnote: