Como numerosos procesos biológicos, la proliferación de diversas poblaciones celulares animales presenta un ritmo circadiano. La respuesta diferencial a la ciclofosfamida ha sido relacionada con la periodicidad mitótica diaria en un carcinoma mamario de ratón. El presente trabajo analiza la…

Frequently we become amazed with the increasing number of problems to be solved that fiourish while facing daily activities. Often, related to these problems we llave also an incredible amount oí data. Since we cannot allways afford time and resources…

Se analizó el perfil de uso de los medicamentos utilizados en los pacientes adultos mayores (65 años o más) atendidos en los Centros de Salud, urbanos, de la Provincia de Santiago, Chile, durante los meses de junio a octubre de…

This study investigates how Hildegard of Bingen (1098-1179), a medieval abbess used visions received during the prodromal stages of migraines to reconstruct herself symbolically. In her visions she believed that God, the "Living Light" instructed her "to write and say…

Human designers use previous designs extensively in solving new design problems and Case-Based Reasoning (CBR) provides a knowledge representation paradigm which attempts to model such process. In this thesis we present a case-based approach to solving design problems by retrieving…

This thesis presents a survey of the development of economic growth theory, including the latest developments in the relationship between international economic integration through international flows of goods and/or knowledge and endogenous economic growth. Based on the following literature review,…

The notion of context and its importance in knowledge representation and nonmonotonic reasoning was first discussed in Artificial Intelligence by John McCarthy.
Ever since, contexts have found many applications in developing knowledge-based reasoning systems.
Defeasible argumentation has gained wide acceptance…

This thesis considers the dimensional analysis theory in engineering. A Knowledge-Aided Design Tool is presented which permits the solution of many aspects of Dimensional Analysis for electromagnetics. The KAD Tool was coded in the language Lisp with Allegro Common Lisp…

This study focused on the comprehension and cognitive processing of texts in biology by 36 graduate science students for whom Chinese was their first (L1) and English their second language (L2). The students in the study were from two disciplines:…

The problem of speeding up ínference has proved to be important in argumentative systems. When computing dialectical structures, several paths are searched (called argumentation lines), many of which will eventually prove useless. Morover, the performance of backward chainers degrades quickly…