We report on a study of how people look for information within email, files, and the Web. When locating a document or searching for a specific answer, people relied on their contextual knowledge of their information target to help them…

This paper presents a novel algorithm for learning in a class of stochastic Markov decision processes (MDPs) with continuous state and action spaces that trades speed for accuracy. A transform of the stochastic MDP into a deterministic one is presented…

Most formalisms for representing common-sense knowledge allow incomplete and potentially inconsistent information. When strong negation is also allowed, contradictory conclusions can arise. A criterion for deciding between them is needed. The aim of this paper is to investigate an inherent…

Much Learning is done by way of studying precedents and exercises. A teacher supplies a story, gives a problem, and expects a student both to solve a problem and to discover a principle. The student must find the correspondence between…

Registered nurses undertaking programmes of study to become non-medical prescribers appear to have
limited biological science knowledge. A case study was undertaken to determine whether the nurses entering
Prescriber programmes considered studies in bioscience in their pre-registration nursing courses had…

SISPER é o protótipo de um sistema especialista para Psicologia. É um sistema de cunho acadêmico que foi desenvolvido para diagnosticar Distúrbios de Personalidade. As pessoas com Distúrbios de Personalidade, na terminologia técnica, apresentam sintomas aloplásticos e ego-sintônicos, ou seja,…

Le fonctionnement du cortex cérébral nécessite l’action coordonnée de deux des sous-types majeurs de neurones, soient les neurones à projections glutamatergiques et les interneurones GABAergiques. Les interneurones GABAergiques ne constituent que 20 à 30% des cellules corticales par rapport au…

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Purpose – The idea that knowledge management can be a potential source of competitive advantage has gained strength in the last few years. However, a number of business actions are needed to generate an appropriate environment and infrastructure for knowledge…

En la actualidad los activos intangibles constituyen alrededor del 80% del valor de las grandes
corporaciones, éstas a su vez incrementan sus recursos para estar en las fronteras del conocimiento
y captar una mayor parcela de su mercado. Las mil…