140 search results - page 4 / 28 » Redundant Relations in Relational Databases: A Model Theoret... |
DIS
2009
Springer
13 years 12 months ago
2009
Springer
Some challenges in frequent pattern mining from data streams are the drift of data distribution and the computational efficiency. In this work an additional challenge is considered...
DAMON
2008
Springer
13 years 7 months ago
2008
Springer
A major performance bottleneck for database systems is the memory hierarchy. The performance of the memory hierarchy is directly related to how the content of disk pages maps to t...
DEXAW
2009
IEEE
13 years 9 months ago
2009
IEEE
Various retrieval models have been developed and analyzed so far, but less research aims to an integration of the different models within a common framework. This paper introduces ...
ER
2008
Springer
13 years 7 months ago
2008
Springer
Abstract. Data in many industrial application systems are often neither completely structured nor unstructured. Consequently semi-structured data models such as XML have become pop...
DEXAW
2007
IEEE
13 years 7 months ago
2007
IEEE
Due to the lack of efficient native XML database management systems, XML data manipulation and query evaluation may be resource-consuming, and represent a bottleneck for several ...