This study presents the results of an empirical test of two hypotheses concerning the
quality of a group of data processing patents on methods of doing business. The
hypotheses are motivated by two frequently voiced criticisms of these…

If we are to understand human-level intelligence, we need to understand how meanings can be learned without explicit instruction. I take a step toward that understanding by focusing on the symbol-grounding problem, showing how symbols can emerge from a system…

ABSTRACT: Micronutrients availability is na important constraint for crops in the Cerrado region, and its correction is always needed to obtaining economic yields. Old and new nutritional problems came with the agriculture expansion in Cerrado. Although being crucial for increasing…

by Antoine D. Guivarch., Thesis (S.M.)--Massachusetts Institute of Technology, Engineering Systems Division, Technology and Policy Program; and, (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2003., Includes bibliographical references (p. 149-152).

Tardiness related objectives are of utmost importance in production systems when client satisfaction is a main goal of a company. These objectives measure the system response to the client requirements and rate manager´s performance In scheduling problems with diverse single…

Las aproximaciones de Modelado Conceptual para la web necesitan extensiones para especificar propiedades de personalización dinámica para diseñar aplicaciones web más potentes. Las propuestas actuales proveen técnicas para soportar personalización dinámica, usualmente enfocadas en detalles de implementación. Este artículo presenta…

RESUMO: Folhas e caules, com sintomas de antracnose, foram coletados de populações nativas de Stylosanthes spp., de 1997 a 2000, em localidades de Minas Gerais, Goiás e Bahia, para avaliar a variabilidade patogenica do agente causal (Colletotrichum gloeosporioides). Duzentos e…

In this study I deal with the conception of "elocutio" as described and explained in the "Institutio oratoria". My main point of view is the semiotic one, since the analysis of syntactic, semantic, and pragmatic aspects of this rhetorical operation…

Nuestro trabajo tiene como objetivo principal, la formulación de un modelo explicativo de la adquisición del aprendizaje complejo, y por extensión, del desarrollo inicial de la competencia
experta en un dominio específico. Modelo que tiene en cuenta los principales aspectos…

Although our biological knowledge regarding cactus species is thorough in many areas, only in recent years have ecologists addressed their demographic behavior. Here we attempt a first review of the present knowledge on cactus demography, including an analysis of the…