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» Performance Evaluation of Multiversion Database Systems
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ICDCSW
2003
IEEE
14 years 1 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»
13 years 12 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»
13 years 7 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»
12 years 3 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»
14 years 1 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