60 search results - page 7 / 12 » k-Anonymity in Databases with Timestamped Data |
ISCI
2002
13 years 10 months ago
2002
In a transaction-time temporal object database management system (TODBMS), updating an object creates a new version of the object, but the old version is still accessible. A TODBM...
EDBT
2009
ACM
14 years 2 months 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...
ICDE
2003
IEEE
15 years 7 days ago
2003
IEEE
We present an index structure for managing weightedsequences in large databases. A weighted-sequence is defined as a two-dimensional structure where each element in the sequence i...
KDD
2009
ACM
14 years 5 months ago
2009
ACM
As the number and size of large timestamped collections (e.g. sequences of digitized newspapers, periodicals, blogs) increase, the problem of efficiently indexing and searching su...
VLDB
1998
ACM
14 years 3 months ago
1998
ACM
Numerous applications such as stock market or medical information systems require that both historical and current data be logically integrated into a temporal database. The under...