ER
2010
Springer
14 years 4 months ago
2010
Springer
Abstract. We investigate the computational complexity of reasoning over temporal extensions of conceptual data models. The temporal conceptual models we analyse include the standar...
ER
2007
Springer
15 years 1 days ago
2007
Springer
Abstract. Collections play an important part in everyday life. Therefore, conceptual data models should support collection types to make data modeling as natural as possible for it...