720 search results - page 34 / 144 » Temporality in Databases |
DEXAW
2004
IEEE
14 years 1 months ago
2004
IEEE
Many applications refer to moving objects or phenomena and require spatio-temporal modelling and specific analysis. Unlike conventional data where attributes are simple values (nu...
ICDE
2001
IEEE
14 years 11 months ago
2001
IEEE
We consider the problems of computing aggregation queries in temporal databases, and of maintaining materialized temporal aggregate views efficiently. The latter problem is partic...
ADC
2001
Springer
14 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...
TIME
2006
IEEE
14 years 3 months ago
2006
IEEE
In this paper we extend the notion of k-anonymity in the context of databases with timestamped information in order to naturally define k-anonymous views of temporal data. We als...
VL
1999
IEEE
14 years 2 months ago
1999
IEEE
In this paper we propose a visual interface for the specification of predicates to be used in queries on spatio-temporal databases. The approach is based on a visual specification...