720 search results - page 22 / 144 » Temporality in Databases |
ER
2010
Springer
13 years 8 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...
ICDE
2006
IEEE
14 years 3 months ago
2006
IEEE
The dream of pervasive multimedia retrieval and reuse will not be realized without incorporating semantics in the multimedia database. As video data is penetrating many informatio...
SIGMOD
2005
ACM
14 years 3 months ago
2005
ACM
In this paper, we propose new graph-based data structure and indexing to organize and retrieve video data. Several researches have shown that a graph can be a better candidate for...
DBPL
2001
Springer
14 years 2 months ago
2001
Springer
Abstract. We address a fundamental question concerning spatio-temporal database systems: “What are exactly spatio-temporal queries?” We define spatio-temporal queries to be co...
JIIS
2002
13 years 9 months ago
2002
In this paper we integrate a history