The past five years have seen the arrival and extremely rapid expansion of West Nile virus (WNV) in the Western Hemisphere. The rapid sweep across North America has permitted little time for developing knowledge of the virus's potential impacts on…

A system for visual recognition is described, with implications for the general problem of representation of knowledge to assist control. The immediate objective is a computer system that will recognize objects in a visual scene, specifically hammers. The computer receives…

Ontologies serve as a mean to establish a conceptually concise basis for communicating knowledge for many purposes. Within the information integration area, ontologies are useful to solve heterogeneity problems. They provide a set of knowledge terms, including the vocabulary, the…

O processo de Descoberta de Conhecimento em Bancos de Dados Geográficos (DCBDG) busca encontrar padrões, informações e relacionamento espacial implícitos em dados descritivos e espaciais armazenados em bancos de dados geográficos. Este tipo de descoberta é muito importante para o…

The Bifurcation Interpreter is a computer program that autonomously explores the steady-state orbits of one-parameter families of periodically- driven oscillators. To report its findings, the Interpreter generates schematic diagrams and English text descriptions similar to those appearing in the science…

This paper explores the link between research collaboration and innovation among faculty, as indicated by a self-reported assessment of the contribution of a co-authored publication to knowledge. Findings challenge the assumption that collaborators are rarely involved in theory development and…

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The prospect of tuition fee increases for public sector universities has attracted an enormous amount of attention in recent years as governments in all industrialized countries have responded to the converging pressures of increased demands for higher education and rising…

En la España de los años veinte y treinta del siglo XX se publicaron un gran número de libros, folletos y artículos en revistas y periódicos sobre el sexo y la sexualidad. Era una verdadera reacción frente a la tensión…

Este trabajo estudia cómo a fines del siglo XVIII en el Perú se dio la construcción de un modelo de madre, que sería el eje en torno al cual debía girar la familia ilustrada. A través del análisis de la…