As tarefas da e-tutoria estão bem identificadas e categorizadas e existe consenso nas classificações propostas. Contudo, precisamos de ter uma ideia clara de quais são as tarefas dos tutores que os estudantes mais valorizam. Esse conhecimento pode contribuir para uma…

Este artigo tem por base uma investigação sobre a implementação de ambientes de ensino e aprendizagem mais ricos, criadores de contextos mais estimulantes e mais desafiantes, que permitam aos alunos desenvolver a sua capacidade para explorar, conjeturar, raciocinar e relacionar…

National Research and Education Network organizations (NRENs) provide advanced information and communication technology (ICT) services for the academic community of their country. Their focus is often on providing affordable high speed bandwidth amongst their members and to other research networks,…

In this paper a methodology for accesing scientific data repositories on data grids is proposed. This methodology is based on ontology specification and knowledge representation. The concept of Knowledge Perspective is introduced, as the action of applying particular scientific conjectures…

IP Networks, and particularly the Internet, were proposed to be a simple and robust support for heterogeneous communications. This implies that only basic controls have to be done by network elements. Connection management, along with transport, and more generally communication…

Visual recognition remains one of the grand goals of artificial intelligence research. One major challenge is endowing machines with human ability to recognize tens of thousands of categories. Moving beyond previous work that is mostly focused on hundreds of categories,…

This article introduces an approach to anomaly intrusion detection based on a combination of supervised and unsupervised machine learning algorithms. The main objective of this work is an effective modeling of the TCP/IP network traffic of an organization that allows…

The Knowledge Engineering Suite is an ontology production method, based on relationship networks, for knowledge representation inside specific contexts. The production of these ontologies has three basic steps, since catching the client data, knowledge base creation, and information retrieval and…

En este artículo se hace una revisión documental de las políticas de
lectura en el país. Se tratará lo referente al ámbito normativo de las acciones
sociales, siguiendo, por un lado, a Eisner (1998) quien lo denomina dimensión
teleológica o…

The guava (Psidium guajava 1.) cv. Paluma has been cultivated in Sao Francisco Valley, Northeastern of Brazil, for in natura consumption and processing purposes. In spite of its importance, there are few scientific knowledge regarding guava physiology, nutrition, irrigation and…