Soldagem GTAW mecanizada com adição de arame frio

Adição de termos semânticos a consultas OLAP

OLAP tools have been widely used for decision support analysis. In turn, ontologies has proven to be an effective and well accepted technology for recovering of semantic information. Thus, the integration of these technologies (OLAP and ontology) allows new types of queries that, individually, these technologies are not capable of performing. In this context, considering that related works stil...

Aprimorando Processos de Imputação Multivariada de Dados com Workflows

� Knowledge discovery in databases usually face the problem of missing values. Thus there are several preprocessing mechanisms that aim to make data imputation. However, these mechanisms normally deal with univariate cases, i.e. cases that present missing values in only one column. Iterative imputation mechanisms are capable of dealing with cases that present missing values in several columns, ...

Especificação de Requisitos de Software com o Método SCR

This article presents and discusses a formal method for software requirements specification, the SCR Software Cost Reduction method, detailing its utilization process by means of a case study. The strengthness and difficulties of the method, and other concluding remarks, are pointed out.

Desenvolvimento de Linked Data Mashups com o uso de LIDMS

Semantic Web technologies like RDF model, URIs and SPARQL query language, can reduce the complexity of data integration by making use of properly established and described links between sources. However, the di culty to formulate distributed queries has been a challenge to harness the potential of these technologies due to autonomy, distribution and vocabulary of heterogeneous data sources. Thi...

Um Modelo Integrado de Requisitos com Casos de Uso