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» Performance Evaluation of Multiversion Database Systems
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ICDCSW
2003
IEEE
15 years 8 months ago
An Adaptive Object Allocation and Replication Algorithm in Distributed Databases
In a Distributed Database System (DDBS), transactions on objects can be read requests or write requests in a random manner. The replication algorithm of objects critically affects...
Wujuan Lin, Bharadwaj Veeravalli
SIGMOD
1997
ACM
135views Database» more  SIGMOD 1997»
15 years 7 months ago
High-Performance Sorting on Networks of Workstations
We report the performance of NOW-Sort, a collection of sorting implementations on a Network of Workstations (NOW). We find that parallel sorting on a NOW is competitive to sortin...
Andrea C. Arpaci-Dusseau, Remzi H. Arpaci-Dusseau,...
JCIT
2008
129views more  JCIT 2008»
15 years 3 months ago
A New Rule Scheduling Approach based on Estimation of Rule Execution Probability in Active Database
Active database systems (ADBS) can, automatically, react to the occurrence of predefined events by definition a collection of active rules. One of the most important modules of AD...
Abbas Rasoolzadegan, Rohollah Alesheykh, Ahmad Abd...
CORR
2012
Springer
209views Education» more  CORR 2012»
13 years 10 months ago
Aggregation in Probabilistic Databases via Knowledge Compilation
This paper presents a query evaluation technique for positive relational algebra queries with aggregates on a representation system for probabilistic data based on the algebraic s...
Robert Fink, Larisa Han, Dan Olteanu
DEXA
2004
Springer
98views Database» more  DEXA 2004»
15 years 8 months ago
On Improving the Performance Dependability of Unstructured P2P Systems via Replication
Abstract. The ever-increasing popularity of peer-to-peer (P2P) systems provides a strong motivation for designing a dependable P2P system. Dependability in P2P systems can be viewe...
Anirban Mondal, Yi Lifu, Masaru Kitsuregawa