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…

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…

The Embrapa Agricultural Instrumentation Center, one of the thematic centers of the Brazilian Agricultural Research Corporation, is an institution of science and technology in instrumentation. Its purpose is to promote Brazilian agribusiness through the generation, adaptation, and transference of knowledge…

RESUMO: Apesar do grande volume de informações no Brasil sobre atributos dos solos e distribuição na paisagem, surgem vários problemas quando se procura usá-los para planejamento de uso da terra, em particular pequenas áreas como comunidades rurais. No bioma Cerrado,…

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…

Gene expression arrays are a technology used to measure quantities of messenger ribonucleic acid (mRNA). Application of the technology involves a variety of physical processes beginning with the acquisition of mRNA samples and ending with the fluorescence imaging of a…

Despite recent progress in materials synthesis, there are few materials with narrow pore size distributions and well-defined pore structures in the size range of 100 - 500 A. Materials with pores of 100 - 500 A possess a potential combination…

This thesis developed and applied tools to bridge the gap between available data and action for urban air quality management, focusing on strategies to reduce particle concentrations. One of the principal thesis contributions is a Bayesian method to exploit the…

The undergraduate law curriculum adopted at McGill University in 1998—the transsystemic programme—was born of the unique political, social, and intellectual histories of its Faculty of Law. This essay reviews these contexts and characterizes the programme as an ongoing conversation about…

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…