61 search results - page 12 / 13 » Managing and querying transaction-time databases under schem... |
69
Voted
IM
2003
14 years 10 months ago
2003
: Quantitative models are needed for a variety of management tasks, including (a) identification of critical variables to use for health monitoring, (b) anticipating service level...
83
Voted
PODS
2005
ACM
15 years 9 months ago
2005
ACM
Composition of mappings between schemas is essential to support schema evolution, data exchange, data integration, and other data management tasks. In many applications, mappings ...
179
click to vote
ICDE
2007
IEEE
15 years 10 months ago
2007
IEEE
Logical constraints, (e.g., 'phone numbers in toronto can have prefixes 416, 647, 905 only'), are ubiquitous in relational databases. Traditional integrity constraints, ...
EDBTW
2010
Springer
15 years 22 days ago
2010
Springer
Successfully structuring information in databases, OLAP cubes, and XML is a crucial element in managing data nowadays. However this process brought new challenges to usability. It...
WWW
2003
ACM
15 years 10 months ago
2003
ACM
This paper describes a novel approach for obtaining semantic interoperability among data sources in a bottom-up, semiautomatic manner without relying on pre-existing, global seman...