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IQIS
2007
ACM
15 years 4 months ago
On the performance of one-to-many data transformations
Relational Database Systems often support activities like data warehousing, cleaning and integration. All these activities require performing some sort of data transformations. Si...
Paulo J. F. Carreira, Helena Galhardas, Joã...
SAC
2011
ACM
14 years 6 months ago
Site-autonomous distributed semantic caching
Semantic caching augments cached data with a semantic description of the data. These semantic descriptions can be used to improve execution time for similar queries by retrieving ...
Norvald H. Ryeng, Jon Olav Hauglid, Kjetil N&oslas...
RULES
1993
Springer
134views Database» more  RULES 1993»
15 years 7 months ago
Temporal Rule Specification and Management in Object-oriented Knowledge Bases
There have been many recent research efforts on temporal databases for managing current and historical data and on active databases for monitoring real-world events as well as dat...
Stanley Y. W. Su, Hsin-Hsing M. Chen
VLDB
1995
ACM
130views Database» more  VLDB 1995»
15 years 6 months ago
Improving Performance in Replicated Databases through Relaxed Coherency
Applications in finance and telecommunications (intelligent network, network management, mobile computing) cause renewed interest in distributed and replicated data management. Si...
Rainer Gallersdörfer, Matthias Nicola
EUROPAR
2003
Springer
15 years 8 months ago
Preventive Multi-master Replication in a Cluster of Autonomous Databases
We consider the use of a cluster of PC servers for Application Service Providers where applications and databases must remain autonomous. We use data replication to improve data av...
Esther Pacitti, M. Tamer Özsu, Cédric ...