Organizations must establish processes for managing knowledge across boundaries because of the specialized and task-dependent forms of knowledge required to deliver products and services. To address this challenge an integrative framework is developed that identifies and integrates the value of…

Creating common ground in a community of people who do not all know each other is a chicken-and-egg problem: members do not share enough common ground to support the kinds of conversations that help build it. "Folk Computing" technology is…

Se realizó un estudio piloto para evaluar la aceptación y efectividad de dos materiales educativos (Cartilla y Fotocartel), elaborados a partir del conocimiento tradicional que poseen las comunidades seleccionadas en tres humedales llaneros, con el propósito de propiciar cambios en…

Web-based learning environments are becoming increasingly popular in higher education. One of the most important web-learning resources is the virtual laboratory (VL), which gives students an easy way for training and learning through the Internet. Moreover, on-line collaborative communication represents…

Most neural network learning algorithms cannot use knowledge other than what is provided in the training data. Initialized using random weights, they cannot use prior knowledge such as knowledge stored in previously trained networks. This manuscript thesis addresses this problem.…

En raison de la prématurité ou de conditions médicales, un grand nombre de nouveau-nés reçoivent de la nutrition parentérale totale (NPT) en période néonatale. Durant la période d’administration, l’impact métabolique et les effets néfastes de la NPT et celui de…

En el cerebro de mamíferos adultos tiene lugar la formación de nuevas neuronas (neurogénesis) de forma limitada a partir de células madre neurales residentes en dos nichos discretos, localizados en el ventrículo lateral y el hipocampo. En la retina existe…

While birdsong is a model system for animal communication studies, our knowledge is derived primarily from the study of only one sex and is therefore incomplete. The study of song in a role-reversed species would provide a unique opportunity to…

El presente trabajo aborda el conocimiento; relaciones, representaciones y valoraciones que alumnos y docentes realizan en el contexto de la cotidianeidad escolar, integrando el proyecto de investigación "Adolescencia y Escuela" que se viene implementando desde 1995, en la cátedra Fundamentos…

Rich Internet Applications offer Web surfers a richer user experience, mainly due to better responsiveness and enhanced user interface capabilities. In recent years, existing design methodologies targeting traditional Web 1.0 applications were extended to also support RIAs. These extensions do…