Many college students and their families are concerned about the high costs of textbooks. A company called Flat World Knowledge both gives away and sells open-source textbooks in a way it believes to be financially sustainable. This article reports on…

This work extends the semantics and implementation of fuzzy prolog presented in [VGM02] in order to include Default Knowledge capability. The new semantic allows non-uniform default assumptions and has Closed World Assumption (CWA) and Open World Assumption (OWA) as particular…

This paper derives recursive algorithms for efficiently computing event probabilities related to order statistics and applies the results in a queue inferencing setting. Consider a set of N i.i.d. random variables in [0, 1]. When the experimental values of the…

The purpose of faculty development in terms of the educational role is to assist faculty in becoming better educators. Educational peer review (EPR) is one method of faculty development. This article is based on a study that explored the different…

En México, los estudios sobre Calostoma cinnabarina Desv. han sido principalmente taxonómicos, pero son escasos los que mencionan el uso que de esta especie hacen los grupos humanos. En dichos trabajos, sólo se documenta la utilidad medicinal de este hongo,…

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Le présent projet vise à documenter la nécessité d’augmenter notre connaissance
de la présence des contaminants organiques tels que les médicaments dans
l’environnement et d’évaluer leur devenir environnemental. On a étudié la présence de
composés pharmaceutiques dans différents échantillons d'eau.…

L’Éducation Pour Tous mobilise la communauté internationale et les gouvernements depuis 1990. Cet engagement global renouvelé en 2000 sous l’auspice de l’UNESCO puis des Nations-Unies, porte notamment sur un objectif de base : l’universalisation de la scolarisation primaire complète pour…

Descripción completa.

The role of social presence as defined by the community of inquiry (CoI) framework is critiqued through a review of recent literature. Evidence is presented that questions the actual extent of knowledge co-construction that occurs in most higher education settings…