84 search results - page 1 / 17 » Event-Oriented Data Models and Temporal Queries in Transacti... |
TIME
2009
IEEE
13 years 11 months ago
2009
IEEE
—Past research on temporal databases has primarily focused on state-based representations and on relational query language extensions for such representations. This led to many d...
ICDE
2006
IEEE
14 years 6 months ago
2006
IEEE
In this paper, we present the ArchIS system that achieves full-functionality transaction-time databases without requiring temporal extensions in XML or database standards. ArchIS&...
DEXA
2004
Springer
13 years 10 months ago
2004
Springer
Abstract. In this paper we propose the Graphical sEmistructured teMporal data model (GEM), which is based on labeled graphs and allows one to represent in a uniform way semistructu...
TIME
2003
IEEE
13 years 10 months ago
2003
IEEE
In bitemporal databases, current facts and transaction states are modelled using a special value to represent the current time (such as a minimum or maximum timestamp or NULL). Pr...
ER
2000
Springer
13 years 8 months ago
2000
Springer