This study describes a survey (n=700) carried out in 14 elementary schools in the municipality of Caxias, State of Maranhão, Brazil. The survey was conducted between July and De-cember 2007 in schools from seven neighborhoods on the outskirts of the western part of the municipality , where for the past three years high densities of immature Aedes aegypti mosquitoes have been recorded. The stude...

The relationship between the individual and the state is more often than previously mediated by public e-services. An emergent phenomenon in this respect is the various forms of devices supporting choice of education that are provided through portals. The question dealt with in this article is: How do portals containing different devices support choice in educational markets? Two portals run by...

Web portals are entry points for information presentation and exchange over the Internet, used by a community of interest. Hence, they require an efficient support for communication and information sharing. Current Web technologies employed to build up these portals present serious limitations regarding information search, access, extraction, interpretation and processing. These limitations are...

Top Library and Information Technology Association (LITA) experts, during a January 1999 American Library Association (ALA) Midwinter meeting, identified a number of important future trends for technologies in libraries1. Trend1 ”library users who use the Web, expect customisation, interactivity and customer support” deals directly with issues related to library portals. The group emphasised th...

Open source software is required to be widely available to the user community. To help developers fulfill this requirement, Web portals provide a way to make open source projects public so that the user community has access to their source code, can contribute to their development, and can interact with the developer team. However, choosing a Web portal is not an easy task. There are several op...

Organisms in aquatic environments encounter a combination of contaminants, the potential interactive effects on interacting physiological systems controlling behavior need to be considered. The goal of this work is to explore the interactions of contaminants towards fish and amphibians while focusing on the four main ethological concepts. Information was gathered using scientific literature and...