Data warehouse systems
A Vaisman, E Zimányi - Data-Centric Systems and Applications, 2014 - Springer
Since the late 1970s, relational database technology has been adopted by most
organizations to store their essential data. However, nowadays, the needs of these …
organizations to store their essential data. However, nowadays, the needs of these …
Data-Centric Systems and Applications
Data warehouses are databases of a specific kind that periodically collect information about
the activities being performed by an organization. This information is then accumulated over …
the activities being performed by an organization. This information is then accumulated over …
Hierarchies in a multidimensional model: From conceptual modeling to logical representation
E Malinowski, E Zimányi - Data & Knowledge Engineering, 2006 - Elsevier
Hierarchies are used in data warehouses (DWs) and on-line analytical processing (OLAP)
systems to see data at different levels of detail. However, many kinds of hierarchies arising …
systems to see data at different levels of detail. However, many kinds of hierarchies arising …
OLAP dimension constraints
CA Hurtado, AO Mendelzon - Proceedings of the twenty-first ACM …, 2002 - dl.acm.org
In multidimensional data models intended for online analytic processing (OLAP), data are
viewed as points in a multidimensional space. Each dimension has structure, described by a …
viewed as points in a multidimensional space. Each dimension has structure, described by a …
Capturing summarizability with integrity constraints in OLAP
CA Hurtado, C Gutiérrez, AO Mendelzon - ACM Transactions on …, 2005 - dl.acm.org
In multidimensional data models intended for online analytic processing (OLAP), data are
viewed as points in a multidimensional space. Each dimension has structure, described by a …
viewed as points in a multidimensional space. Each dimension has structure, described by a …
OLAP hierarchies: A conceptual perspective
E Malinowski, E Zimányi - … Conference, CAiSE 2004, Riga, Latvia, June 7 …, 2004 - Springer
Abstract OLAP (On-Line Analytical Processing) tools support the decision-making process
by giving users the possibility to dynamically analyze high volumes of historical data using …
by giving users the possibility to dynamically analyze high volumes of historical data using …
Analytical processing of XML documents: opportunities and challenges
RR Bordawekar, CA Lang - ACM SIGMOD Record, 2005 - dl.acm.org
Online Analytical Processing (OLAP) has been a valuable tool for analyzing trends in
business information. While the multi-dimensional cube model used by OLAP is ideal for …
business information. While the multi-dimensional cube model used by OLAP is ideal for …
Conceptual multidimensional models
R Torlone - Multidimensional databases: Problems and solutions, 2003 - igi-global.com
A variety of multidimensional data models have recently been proposed by both academic
and industry communities. but consensus on formalism or even a common terminology has …
and industry communities. but consensus on formalism or even a common terminology has …
A multigranular object‐oriented framework supporting spatio‐temporal granularity conversions
Several application domains require handling spatio‐temporal data. However, traditional
Geographic Information Systems (GIS) and database models do not adequately support …
Geographic Information Systems (GIS) and database models do not adequately support …
From federated databases to a federated data warehouse system
S Berger, M Schrefl - Proceedings of the 41st Annual Hawaii …, 2008 - ieeexplore.ieee.org
Although Data Warehousing is regarded as a mature technology now, the definition of a
federated architecture for Data Warehouse (DW) integration remains an open research …
federated architecture for Data Warehouse (DW) integration remains an open research …