Exploració per tema "Data warehouses"
Ara es mostren els items 1-7 de 7
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A modularization proposal for goal-oriented analysis of data warehouses using I-star
(Springer, 2011)
Text en actes de congrés
Accés restringit per política de l'editorialThe success rate of Data Warehouse (DW) development is improved by performing a requirements elicitation stage in which the users’ needs to be fulfilled by the DW are modeled. Currently, among the different proposals for ... -
Adding semantic modules to improve goal-oriented analysis of data warehouses using I-star
(2014-02-01)
Article
Accés obertThe success rate of data warehouse (DW) development is improved by performing a requirements elicitation stage in which the users' needs are modeled. Currently, among the different proposals for modeling requirements, there ... -
Data mining techniques using decision tree model in materialised projection and selection view
(Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 2004)
Article
Accés obertWith the availability of very large data storage today, redundant data structures are no longer a big issue. However, an intelligent way of managing materialised projection and selection views that can lead to fast access ... -
Practical data mining in a large utility company
(Institut d'Estadística de Catalunya, 2001)
Article
Accés obertWe present in this paper the main applications of data mining techniques at Electricité de France, the French national electric power company. This includes electric load curve analysis and prediction of customer ... -
SMART: An application framework for real time big data analysis on heterogeneous cloud environments
(Institute of Electrical and Electronics Engineers (IEEE), 2015)
Text en actes de congrés
Accés restringit per política de l'editorialThe amount of data that human activities generate poses a challenge to current computer systems. Big data processing techniques are evolving to address this challenge, with analysis increasingly being performed using ... -
Supporting data integration tasks with semi-automatic ontology construction
(Association for Computing Machinery (ACM), 2015)
Text en actes de congrés
Accés restringit per política de l'editorialData integration aims to facilitate the exploitation of heterogeneous data by providing the user with a unified view of data residing in different sources. Currently, ontologies are commonly used to represent this unified ... -
The Data warehouse: a temporal database
(2002-11)
Report de recerca
Accés obertThe aim of this paper is to bring together two research areas, i.e. Data Warehouses and Temporal Databases, involving representation of time. In order to achieve this goal, data warehouse and temporal database research ...