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Querying data warehouses efficiently using the Bitmap Join Index OLAP Tool
(Centro Latinoamericano de Estudios en Informática, 2012)
Physical data warehouse design on NoSQL databases OLAP query processing over HBase
(Institute for Systems and Technologies of Information, Control and Communication - INSTICCScience and Technology Press – SciTePressRome, 2016-04)
Nowadays, data warehousing and online analytical processing (OLAP) are core technologies in business intelligence and therefore have drawn much interest by researchers in the last decade. However, these technologies have ...
Recomendação semântica de documentos de texto mediante a personalização de agregações OLAP.
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Ciência da Computação - PPGCC-So, 2015-03-23)
With the rapid growth of unstructured data, such as text documents, it becomes more and more interesting and necessary to extract such information to support decision making in business intelligence systems. Recommendations ...
A similarity-based data warehousing environment for medical images
(Pergamon/ElsevierOxford, 2015-11)
A core issue of the decision-making process in the medical field is to support the execution of analytical (OLAP) similarity queries over images in data warehousing environments. In this paper, we focus on this issue. We ...
Aggregated 2D range queries on clustered points
(Pergamon-Elsevier Science, 2016)
Efficient processing of aggregated range queries on two-dimensional grids is a common requirement in information retrieval and data mining systems, for example in Geographic Information Systems and OLAP cubes. We introduce ...
Analytical Processing Over XML and XLink
(IGI PUBLHERSHEY, 2012)
Current commercial and academic OLAP tools do not process XML data that contains XLink. Aiming at overcoming this issue, this paper proposes an analytical system composed by LMDQL, an analytical query language. Also, the ...
OBAS: Um Benchmark OLAP Para Serviços de Análises
(Universidade Federal de Pernambuco, 2015)
QB4OLAP : Enabling business intelligence over semantic web data
(UR.FI-INCO, 2016)
The World-Wide Web was initially conceived as a repository of information tailored for human consumption. In the last decade, the idea of transforming the web into a machine-understandable web of data, has gained momentum. ...
Faça no seu ritmo mas não perca a hora: tomada de decisão sob demandado usuário utilizando dados da Web
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Ciência da Computação - PPGCC-SoCâmpus Sorocaba, 2017-08-07)
In the current knowledge age, with the continuous growth of the web data volume and where business decisions must be made quickly, traditional BI mechanisms become increasingly inaccurate in order to help the decision-making ...