Sciweavers

55 search results - page 2 / 11
» Generic Database Cost Models for Hierarchical Memory Systems
Sort
View
ICDE
2006
IEEE
156views Database» more  ICDE 2006»
13 years 11 months ago
Video Database Modeling and Temporal Pattern Retrieval using Hierarchical Markov Model Mediator
The dream of pervasive multimedia retrieval and reuse will not be realized without incorporating semantics in the multimedia database. As video data is penetrating many informatio...
Na Zhao, Shu-Ching Chen, Mei-Ling Shyu
EDBT
2010
ACM
151views Database» more  EDBT 2010»
13 years 10 months ago
Warm cache costing: a feedback optimization technique for buffer pool aware costing
Most modern RDBMS depend on the query processing optimizer’s cost model to choose the best execution plan for a given query. Since the physical IO (PIO) is a costly operation to...
H. S. Ramanujam, Edwin Seputis
IPL
1998
80views more  IPL 1998»
13 years 5 months ago
The Economics of Large-Memory Computations
We propose, and justify, an economic theory to guide memory system design, operation, and analysis. Our theory treats memory random-access latency, and its cost per installed mega...
Clark D. Thomborson
ER
2000
Springer
107views Database» more  ER 2000»
13 years 9 months ago
A Conceptual Model for Remote Data Acquisition Systems
Data Acquisition Systems (DAS) are the basis for building monitoring tools that enable the supervision of local and remote systems. DASs are complex systems. It is difficult for de...
Txomin Nieva, Alain Wegmann
VLDB
1998
ACM
138views Database» more  VLDB 1998»
13 years 9 months ago
TOPAZ: a Cost-Based, Rule-Driven, Multi-Phase Parallelizer
Currently the key problems of query optimization are extensibility imposed by object-relational technology, as well as query complexity caused by forthcoming applications, such as...
Clara Nippl, Bernhard Mitschang