448 search results - page 52 / 90 » Queries and Constraints on Semi-structured Data |
SIGMOD
1999
ACM
15 years 2 months ago
1999
ACM
Pre-computation and materialization of views with aggregate functions is a common technique in Data Warehouses. Due to the complex structure of the warehouse and the different pro...
SIGMOD
2010
ACM
15 years 2 months ago
2010
ACM
We present SecureBlox, a declarative system that unifies a distributed query processor with a security policy framework. SecureBlox decouples security concerns from system speci...
SIGOPSE
2004
ACM
15 years 3 months ago
2004
ACM
Research in sensor networks, continuous queries (CQ), and other domains has been motivated by powerful applications that aim to aggregate, assimilate, and interact with scores of ...
97
Voted
ADC
2003
Springer
15 years 2 months ago
2003
Springer
This paper proposes a novel way of automatically developing data warehouse configuration in rule-based CRM systems. Rule-based CRM systems assume that marketing activities are re...
DEXA
2005
Springer
15 years 3 months ago
2005
Springer
Current proposals for XML change detection use structural constraints to detect the changes and they ignore semantic constraints. Consequently, they may produce semantically incorr...