Sciweavers

Share
DOLAP
2005
ACM
9 years 3 months ago
A relevance-extended multi-dimensional model for a data warehouse contextualized with documents
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...
Juan Manuel Pérez, Rafael Berlanga Llavori,...
DOLAP
2005
ACM
9 years 3 months ago
Optimizing the incremental maintenance of multiple join views
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 ...
Ki Yong Lee, Myoung-Ho Kim
DOLAP
2005
ACM
9 years 3 months ago
Goal-oriented requirement analysis for data warehouse design
Several surveys indicate that a signi´Čücant percentage of data warehouses fail to meet business objectives or are outright failures. One of the reasons for this is that requireme...
Paolo Giorgini, Stefano Rizzi, Maddalena Garzetti
DOLAP
2005
ACM
9 years 3 months ago
Parallel querying of ROLAP cubes in the presence of hierarchies
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...
Frank K. H. A. Dehne, Todd Eavis, Andrew Rau-Chapl...
DOLAP
2005
ACM
9 years 3 months ago
Providing probabilistically-bounded approximate answers to non-holistic aggregate range queries in OLAP
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...
Alfredo Cuzzocrea
DOLAP
2005
ACM
9 years 3 months ago
Applying MDA to the development of data warehouses
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 ...
Jose-Norberto Mazón, Juan Trujillo, Manuel ...
DOLAP
2005
ACM
9 years 3 months ago
Towards a spatial multidimensional model
Data warehouses and OLAP systems help to interactively analyze huge volume of data. This data, extracted from transactional databases, frequently contains spatial information whic...
Sandro Bimonte, Anne Tchounikine, Maryvonne Miquel
DOLAP
2005
ACM
9 years 3 months ago
A personalization framework for OLAP queries
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...
Ladjel Bellatreche, Arnaud Giacometti, Patrick Mar...
DOLAP
2005
ACM
9 years 3 months ago
Mapping conceptual to logical models for ETL processes
Extraction-Transformation-Loading (ETL) tools are pieces of software responsible for the extraction of data from several sources, their cleansing, customization and insertion into...
Alkis Simitsis
DOLAP
2005
ACM
9 years 3 months ago
Modeling, querying and reasoning about OLAP databases: a functional approach
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...
Ken Q. Pu
books