1295 search results - page 58 / 259 » Technology Challenges in a Data Warehouse |
DOLAP
2006
ACM
14 years 3 months ago
2006
ACM
In this paper we perform an extensive theoretical and experimental study on common synopsis construction algorithms, with emphasis on wavelet based techniques, that take under con...
DOLAP
2004
ACM
14 years 3 months ago
2004
ACM
In today’s OLAP systems, integrating fast changing data, e.g., stock quotes, physically into a cube is complex and time-consuming. The widespread use of XML makes it very possib...
DOLAP
2000
ACM
14 years 2 months ago
2000
ACM
Being able to efficiently answer arbitrary OLAP queries that aggregate along any combination of dimensions over numerical and categorical attributes has been a continued, major co...
DOLAP
2004
ACM
14 years 3 months ago
2004
ACM
We address the inference control problem in data cubes with some data known to users through external knowledge. The goal of inference controls is to prevent exact values of sensi...
DOLAP
2005
ACM
13 years 12 months ago
2005
ACM
Online Analytical Processing is a powerful framework for the analysis of organizational data. OLAP is often supported by a logical structure known as a data cube, a multidimension...