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Towards Intensional Answers to OLAP Queries for Analytical Sessions [PDF]
International audienceOne of the problems in analyzing large multidimensional databases through OLAP sessions is that decision makers can be overwhelmed by the size of query answers, while they need a concise summary of data.
Marcel, Patrick +7 more
core +1 more source
Data warehouse dimensional modeling for customer service business [PDF]
The daily traffic volume of the State Grid 95598 Customer Service Center exceeds 800,000. In order to manage and store these massive data, we must carefully handle it. The call from electric customers implement the business philosophy of “Quality service
Mu Songhe +3 more
doaj +1 more source
The aim of this article is to present an overview of the major XML warehousing approaches from the literature, as well as the existing approaches for performing OLAP analyses over XML data (which is termed XML-OLAP or XOLAP; Wang et al., 2005). We also discuss the issues and future trends in this area and illustrate this topic by presenting the design ...
Mahboubi, Hadj +2 more
openaire +4 more sources
Benchmarking Exploratory OLAP [PDF]
Supporting interactive database exploration (IDE) is a problem that attracts lots of attention these days. Exploratory OLAP (On-Line Analytical Processing) is an important use case where tools support navigation and analysis of the most interesting data, using the best possible perspectives.
Djedaini, Mahfoud +4 more
openaire +2 more sources
Performance Analysis Of Star Schema Data Modeling On Library Data
Lybrary information system whose data began to be organized from 2013 to the present, has recorded 5,477,618 library collections consisting of books, magazines, journals, CDs and so on. While the number of lending transactions continues to grow each year,
Dini Nurmalasari +2 more
doaj +1 more source
Towards OLAP analysis of multidimensional tweet streams [PDF]
Social media and networks are used by millions of people to share with their friends across the world: tastes, opinions, ideas, etc. The volume and the speed at which these data are produced make it a challenging task to discover meaningful patterns in ...
Loia, Vincenzo +11 more
core +1 more source
Abstract Vascular endothelial growth factor receptor (VEGFR) inhibitors are effective antiangiogenic agents used in cancer therapy. However, they are associated with cardiovascular disease, including hypertension and vascular dysfunction. The molecular mechanisms underlying these cardiovascular toxicities are unclear, but oxidative stress might be ...
Karla B. Neves +3 more
wiley +1 more source
Gestão do Conhecimento Utilizando o Dw/Olap Aplicado nas Organizações [PDF]
Neste trabalho são feitas quatro abordagens. Na primeira apresenta-se a disciplina de Gestão do Conhecimento, onde se encontra definições, o papel da TI, sucessos e possíveis falhas na implantação de projetos da Gestão do Conhecimento.
Perfeito, Juarez +3 more
core
Towards OLAP Query Reformulation in Peer-to-Peer Data Warehousing [PDF]
Inter-business collaborative contexts prefigure a distributed scenario where companies organize and coordinate themselves to develop common and shared opportunities, respecting their own autonomy and heterogeneity.
GOLFARELLI, MATTEO +14 more
core +1 more source
Анализ эффективности методов полиномиальной степени сложности при декомпозиции OLAP-кубов многомерных данных [PDF]
The article investigates the problems of reduction (decomposition) of multidimensional data models in terms of hypercube OLAP-structures. Describes the case when a data structure is defined by the array that slices and dices the hypercube into the odd ...
A. A. Akhrem +5 more
core +2 more sources

