DOLAP
2005
ACM
13 years 8 months ago
2005
ACM
Current data warehouse and OLAP technologies can be applied to analyze the structured data that companies store in their databases. The circumstances that describe the context ass...
DOLAP
2005
ACM
13 years 8 months ago
2005
ACM
Materialized views are nowadays commonly used in the data warehouse environment. Materialized views need to be updated when data sources change. Since the update of the views may ...
DOLAP
2005
ACM
13 years 8 months ago
2005
ACM
Several surveys indicate that a significant percentage of data warehouses fail to meet business objectives or are outright failures. One of the reasons for this is that requireme...
DOLAP
2005
ACM
13 years 8 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...
DOLAP
2005
ACM
13 years 8 months ago
2005
ACM
A novel framework for providing probabilistically-bounded approximate answers to non-holistic aggregate range queries in OLAP is presented in this paper. Such a framework allows u...
DOLAP
2005
ACM
13 years 8 months ago
2005
ACM
Different modeling approaches have been proposed to overcome every design pitfall of the development of the different parts of a data warehouse (DW) system. However, they are all ...
DOLAP
2005
ACM
13 years 8 months ago
2005
ACM
Data warehouses and OLAP systems help to interactively analyze huge volume of data. This data, extracted from transactional databases, frequently contains spatial information whic...
DOLAP
2005
ACM
13 years 8 months ago
2005
ACM
OLAP users heavily rely on visualization of query answers for their interactive analysis of massive amounts of data. Very often, these answers cannot be visualized entirely and th...
DOLAP
2005
ACM
13 years 8 months ago
2005
ACM
Extraction-Transformation-Loading (ETL) tools are pieces of software responsible for the extraction of data from several sources, their cleansing, customization and insertion into...
DOLAP
2005
ACM
13 years 8 months ago
2005
ACM
We propose a new functional framework for modeling, querying and reasoning about OLAP databases. The framework represents data (data cubes and dimensional hierarchies) and queryin...