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DOLAP
1999
ACM
13 years 8 months ago
starER: A Conceptual Model for Data Warehouse Design
Modeling data warehouses is a complex task focusing, very often, into internal structures and implementation issues. In this paper we argue that, in order to accurately reflect the...
Nectaria Tryfona, Frank Busborg, Jens G. Borch Chr...
DOLAP
1999
ACM
13 years 8 months ago
Aggregation Everywhere: Data Reduction and Transformation in the Phoenix Data Warehouse
This paper describes the Phoenix system, which loads a data warehouse and then reports against it. Between the raw atomic data of the source system and the business measures prese...
Steven Tolkin
DOLAP
2000
ACM
13 years 8 months ago
Automatically Generating OLAP Schemata from Conceptual Graphical Models
Generating tool specific schemata and configuration information for OLAP database tools from conceptual graphical models is an important prerequisite for a comprehensive tool supp...
Karl Hahn, Carsten Sapia, Markus Blaschka
DOLAP
2000
ACM
13 years 8 months ago
Incremental Update to Aggregated Information for Data Warehouses over Internet
We consider the view maintenance problem in a web-based environment, in which clients query information from databases, stored in the form of materialized data warehouses, without...
Miranda Chan, Hong Va Leong, Antonio Si
DOLAP
2000
ACM
13 years 8 months ago
Towards OLAP Security Design - Survey and Research Issues
With the use of data warehousing and online analytical processing (OLAP) for decision support applications new security issues arise. The goal of this paper is to introduce an OLA...
Torsten Priebe, Günther Pernul
DBTEL
2001
Springer
126views Database» more  DBTEL 2001»
13 years 9 months ago
Data Warehouse Population Platform
Abstract. The input data for a data warehouse, coming from operational systems, are not immediately ready for loading into data warehouse. Cleaning and integration could be necessa...
Jovanka Adzic, Valter Fiore, Stefano Spelta
DAWAK
2001
Springer
13 years 9 months ago
Knowledge Management in Heterogeneous Data Warehouse Environments
: This paper addresses issues related to Knowledge Management in the context of heterogeneous data warehouse environments. The traditional notion of data warehouse is evolving into...
Larry Kerschberg
KES
2009
Springer
13 years 9 months ago
An Ontology-Based Autonomic System for Improving Data Warehouse Performances
: With the increase in the amount and complexity of information, data warehouse performance has become a constant issue, especially for decision support systems. As decisional expe...
Vlad Nicolicin-Georgescu, Vincent Benatier, R&eacu...
FQAS
2009
Springer
196views Database» more  FQAS 2009»
13 years 9 months ago
Flexible SPARQL Querying of Web Data Tables Driven by an Ontology
This paper concerns the design of a workflow which permits to feed and query a data warehouse opened on the Web, driven by a domain ontology. This data warehouse has been built to...
Patrice Buche, Juliette Dibie-Barthélemy, H...
EGOV
2003
Springer
13 years 9 months ago
Spatial Data Warehouse - A Prototype
Nowadays, there are an emergence of spatial or geographic data stored in several and heterogeneous databases, mostly in Geographic Information Systems (GIS). The diversity of GIS a...
Lionel Savary, Karine Zeitouni