75 search results - page 5 / 15 » Transaction Timestamping in (Temporal) Databases |
ER
2010
Springer
14 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...
78
Voted
ADC
2001
Springer
15 years 2 months ago
2001
Springer
Transaction time is the time of a database transaction, i.e., an insertion, update, or deletion. A transactiontime database stores the transaction-time history of a database and s...
100
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EUROMICRO
1998
IEEE
15 years 1 months ago
1998
IEEE
A real-time active database system (RTADBS) has to provide capabilities for timely trigger of timeconstrained transactions and at the same time to process them, concurrently with ...
82
Voted
EDBT
2009
ACM
15 years 28 days ago
2009
ACM
Temporal aggregation is a crucial operator in temporal databases and has been studied in various flavors. In instant temporal aggregation (ITA) the aggregate value at time instan...
100
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TIME
2009
IEEE
15 years 4 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...