Mobility is the key to contemporary life. While most research activities during recent years concentrated on the representation and modeling of moving objects within GIS environments, analysis tasks have been sorely neglected, especially in the field of environmental GIS. This paper provides an overview of the sparse analysis methods available for dynamic point objects. The methods are classifi...

The objective of this paper is to present a methodology for the integration Computational Fluid Dynamics (CFD) microclimate simulation and Geographic Information System (GIS). first workflow involves attribution spatial coordinates point data extracted from CFD, implementation an SQLite database, connection database visualise use information on environmental comfort variables. second georeferen...

Most businesses of today are increasingly becoming dependent on computer systems in their daily operation. Businesses need to respond quickly and accurately to be able to compete in their rapidly changing envi ronments. It is important that organizations and businesses become aware of the gain that could be realized by applying Integrated Computer Aided Software Engineering to their systems des...

Developing Multiuser Virtual Environments (MUVE) is a very complex task since it involves several engineering domains aspects such as, Virtual Reality, Cooperative Work and Distributed Systems. Furthermore, existing technologies like, graphics capabilities, processing power and network bandwidth, are permanently evolving. For MUVE systems to be successfully developed they must not only deal wit...

This paper describes an experiment evaluating the application of formal tech niques to the modelling and development of a security critical system to high IT SEC levels of assurance The experiment has been done in a commercial envi ronment by engineers working within an existing development process Two in dependent teams of engineers in British Aerospace have been concurrently devel oping a mes...

Neste estudo, avaliou-se a fração hidrofóbica de Ca, Fe, Mg e Zn em méis escuros por meio de extração em fase sólida utilizando material à base de sílica gel com grupos ativos fenil ligados monomericamente. Verificou-se que Fe está associado com esta fração, provavelmente compostos polifenólicos, no mais alto grau. A contribuição da fração hidrofóbica no conteúdo total deste elemento nos méis a...

Greening of facades is a non-expensive option to increase the amount of vegetation in urban areas. Especially in areas with dense settlement, the filtering effect of facade greening can improve urban air quality. In this paper, results from field experiments and numerical simulations are presented. Using Atomic Absorption Spectrometry the amount of heavy metals on leaf samples from seven houses...

An Improved Synthetic Variable Ratio (ISVR) fusion method is proposed to merge high spatial resolution panchromatic (Pan) images and multispectral (MS) images based on a simulation of the panchromatic image from the multispectral bands. Compared to the existing SVR (Synthetic Variable Ratio) family methods, the ISVR method manifests two major improvements: a simplified and physically meaningful...