Sciweavers

DOLAP
2006
ACM
13 years 7 months ago
Building a web warehouse for accessibility data
As more and more information is available on the web, it is a problem that many web resources are not accessible, i.e., are not usable for users with special needs. For example, f...
Christian Thomsen, Torben Bach Pedersen
DOLAP
2006
ACM
13 years 9 months ago
Heuristic design of property maps
Ravi Darira, Karen C. Davis, Jennifer Grommon-Litt...
DOLAP
2006
ACM
13 years 9 months ago
Research in data warehouse modeling and design: dead or alive?
Multidimensional modeling requires specialized design techniques. Though a lot has been written about how a data warehouse should be designed, there is no consensus on a design me...
Stefano Rizzi, Alberto Abelló, Jens Lechten...
DOLAP
2006
ACM
13 years 9 months ago
Enhanced mining of association rules from data cubes
On-line analytical processing (OLAP) provides tools to explore and navigate into data cubes in order to extract interesting information. Nevertheless, OLAP is not capable of expla...
Riadh Ben Messaoud, Sabine Loudcher Rabaséd...
DOLAP
2006
ACM
13 years 9 months ago
HYPE: mining hierarchical sequential patterns
Mining data warehouses is still an open problem as few approaches really take the specificities of this framework into account (e.g. multidimensionality, hierarchies, historized ...
Marc Plantevit, Anne Laurent, Maguelonne Teisseire
DOLAP
2006
ACM
13 years 9 months ago
Designing ETL processes using semantic web technologies
One of the most important tasks performed in the early stages of a data warehouse project is the analysis of the structure and content of the existing data sources and their inten...
Dimitrios Skoutas, Alkis Simitsis
DOLAP
2006
ACM
13 years 9 months ago
Towards a logical multidimensional model for spatial data warehousing and OLAP
Decision support systems (DSS) may be enhanced qualitatively if they are able to also deal with spatial dimensions and measures. Regardless the evident importance of using data wa...
Marcus Costa Sampaio, Andre Gomes de Sousa, Cl&aac...
DOLAP
2006
ACM
13 years 9 months ago
A study on workload-aware wavelet synopses for point and range-sum queries
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...
Michael Mathioudakis, Dimitris Sacharidis, Timos K...
DOLAP
2006
ACM
13 years 9 months ago
Designing what-if analysis: towards a methodology
In order to be able to evaluate beforehand the impact of a strategical or tactical move, decision makers need reliable previsional systems. What-if analysis satisfies this need b...
Matteo Golfarelli, Stefano Rizzi, Andrea Proli