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Computerized analysis of a concept map (CM) syntactic and semantic characteristics can become a complex task, whose results can be doubtful if the map contains either graphical or textual ambiguities. In the specific case of using CMs in education, the use of the results of automatic structural analysis of a map in learning assessment implies the existence(More)
In this paper, we present HYSSOP, a system that generates natural language hypertext summaries of insights resulting from a knowledge discovery process. We discuss the synergy between the two technologies underlying HYSSOP: Natural Language Generation (NLG) and Knowledge Discovery in Databases (KDD). We first highlight the advantages of natural language(More)
We present a new approach to content determination and content organization in the context of natural language generation for quantitative database summaries. Three key properties make our work innovative and interesting: (1) we developed a new text planning approach to deals with the content organization of a data set into a summary report, for example a(More)
We present a new approach to paratactic content aggregation in the context of generating hypertext summaries of OLAP and data mining discoveries. Two key properties make this approach innovative and interesting: (1) it encapsulates aggregation inside the sentence planning component, and (2) it relies on a domain independent algorithm working on a data(More)
SUMMARY Dynamic operator declarations were introduced in the first Prolog system in the early 1970s. Today several other logical and functional languages adopt the Prolog style of dynamic operators. Despite this widespread use, there are no guidelines to assist the development of dynamic operator parsers. This paper presents an in-depth study of the(More)
Develop new games without having to start from scratch has been made possible by using game engines, since they offer a number of specialized components and optimized functions which are common in games. However, one realizes that process simulation games have not taken advantage of these technologies. This paper aims to demonstrate the results of the(More)
This paper presents the integration of a viewer and simulator of programs into an environment learning to support learning programming in initial classes of Engineering, Computing and Information Systems Courses. The integration proposed was based on a redesign of the architectureto combine resources avaliable in learning environment with an automatic(More)
As experiências com o uso sistemático dos Ambientes Virtuais de Aprendizagem (AVAs) têm relatado problemas de diferentes naturezas. A maioria dos problemas esté relacionada com a enorme quantidade de informação que precisa ser gerenciada e ao mesmo tempo estar disponível para professores e alunos, as interações(More)