Research social networks are a potentially useful resource for studying science and technology indicators from specific communities (e.g., acountry). However, building and analyzing such networks beget challenges beyond ...

References are the main descriptive metadata used by digital libraries of scientific articles. These references can be represented by several formats and styles. Although considerable content variations can also occur in ...

Digital libraries of scientific articles describe them using a set of metadata, including bibliographic references. These references can be represented by several formats and styles. Considerable content variations can ...

Digital libraries contain collections of digital objects, acquired from different sources, which can be represented through several metadata standards. These metadata are heterogeneous both in content and in structure. ...

This article presents XSimilarity, a tool for executing similarity queries embedded in XQuery language. Relevant similarity functions for database and information retrieval fields are implemented in the tool. The main ...

In distributed information systems it is possible to find multiple representations of the same resource. For instance, a scientific paper indexed by several digital libraries. Aiming to eliminate redundant query results, ...

Artigos científicos indexados por diferentes bibliotecas digitais podem estar representados de diferentes formas. Os metadados que descrevem estes artigos são heterogêneos. Visando melhorar a qualidade da pesquisa do ...

Currently, the commercial database management systems (DBMS)do not support approximate queries directly. There is a need for technologies on DBMS to support this type of queries. This paper presents a tool which was developed ...

The emergence of the design patterns movement has gone a long way toward codifying a concise terminology for conveying sophisticated computer-science thinking. A design pattern is a reusable implementation model or ...

The importance of the information for the decision making in the organizations, the increase data quantity and the time to search for information, they have been demanding concern with the speed access to the databases. ...

Les circuits int´egr´es CMOS ont connu une ´evolution constante depuis quelques d´ecennies, mais l’arriv´ee aux dimensions nanom´etriques pose des probl`emes de plus en plus complexes. Parmi les probl`emes anticip´es, le ...

Este trabalho, dentro de uma perspectiva interdisciplinar, apresenta uma proposta de metodologia para organização curricular de cursos para educação a distância, a serem ministrados pela Universidade Aberta Brasileira. ...

This paper deals with digital VLSI design aspects related to reliability. The focus is on the problem of reliability evaluation in combinational logic circuits.We present some methods for this evaluation that can be easily ...

Regulation of social exchanges refers to controlling social exchanges between agents so that the balance of exchange values involved in the exchanges are continuously kept—as far as possible—near to equilibrium. Previous ...

This article presents an approach for generating steering behaviors of groups of characters based on the space colonization algorithm that has been used in the past for generating leaf venation patterns and tree structures. ...

É reconhecido que, para tornar-se um projetista especializado em técnicas de desenvolvimento de software Orientado a Objetos, exige-se um maior esforço de dedicação e treinamento comparando-as com o aprendizado de técnicas ...

Este artigo introduz um modelo de percepção fuzzy para agentes BDI, com uma aplicação em uma versão fuzzy do problema presa-predador, onde o processo de decidir qual presa um predador deve atacar, com base na comparação ...

O desenvolvimento de um simulador gráfico para robôs móveis visa fornecer uma ferramenta gráfica computacional que auxilie, através de gráficos e animação, o projeto e a análise de leis de controle para robôs móveis a ...

Este artigo tem por objetivo problematizar as práticas educativas a serviço da transformação social, com vistas à sustentabilidade da vida. Dentro deste propósito busca-se compreender a crise ambiental para além de ações ...

This paper presents a case study concerning Aspect-Oriented Programming and a comparison with Object-Oriented Programming. the program used for the study combines remote methods invocation, using RMI, a distribution ...