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— This work presents a tool to help concept maps' design process. This tool was developed to organize contents from thematic modules of a course, applying concept maps techniques. In this tool, teachers can build their own concept maps based in textual reference documents. Teachers also can use a visual editor to design maps and linking learning objects to(More)
Nematodes are vermiform animals of long and thin body and slender at the two extremities. They have great economic importance because many are plant parasitic and very difficult to erradicate once established in the soil. A prerequisite to combating their agricultural impact is correct identification of species. We present a preliminary study for(More)
This paper presents some of the procedures adopted in the construction of a Radial Basis Function Neural Network by iteratively applying the aiNET, an Artificial Immune Systems Algorithm. These procedures have shown to be effective in terms of i) the free determination of centroids inspired by an immune heuristics; and ii) the achievement of appropriate(More)
Economic globalization is changing the way companies communicate. The ease and speed of accessing information and taking decisions is better for everyone on the decision chain. To speed up access to information it is important to present information in one's native language and create a language-independent communications channel. To assist(More)