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PODS
2008
ACM
250views Database» more  PODS 2008»
16 years 6 months ago
Approximating predicates and expressive queries on probabilistic databases
We study complexity and approximation of queries in an expressive query language for probabilistic databases. The language studied supports the compositional use of confidence com...
Christoph Koch
EDBT
2008
ACM
150views Database» more  EDBT 2008»
16 years 6 months ago
Cost-based query optimization for complex pattern mining on multiple databases
For complex data mining queries, query optimization issues arise, similar to those for the traditional database queries. However, few works have applied the cost-based query optim...
Ruoming Jin, David Fuhry, Abdulkareem Alali
DOLAP
2004
ACM
15 years 12 months ago
Developing a characterization of business intelligence workloads for sizing new database systems
Computer system sizing involves estimating the amount of hardware resources needed to support a new workload not yet deployed in a production environment. In order to determine th...
Ted J. Wasserman, Patrick Martin, David B. Skillic...
ADBIS
2004
Springer
124views Database» more  ADBIS 2004»
15 years 12 months ago
Database Caching - Towards a Cost Model for Populating Cache Groups
Web caching keeps single Web objects ready somewhere in caches in the user-to-server path, whereas database caching uses fullfledged database management systems as caches to adapt...
Theo Härder, Andreas Bühmann
IMC
2006
ACM
16 years 13 days ago
Fisher information of sampled packets: an application to flow size estimation
Packet sampling is widely used in network monitoring. Sampled packet streams are often used to determine flow-level statistics of network traffic. To date there is conflicting e...
Bruno F. Ribeiro, Donald F. Towsley, Tao Ye, Jean ...