Descubrimiento de Recursos en un Entorno Grid mediante Ontolog´ıas
Abstract
Las tecnolog´ıas Grid permiten el uso compartido de recursos heterog´eneos que se encuentran dise-
minados geogr´aficamente en una WAN o en Internet. La infraestructura determinada por el uso de estas
tecnolog´ıas (computaci´on grid) es solamente una parte de un escenario m´as amplio en el que tambi´en
se incluye el manejo de informaci´on y soporte para el procesamiento de conocimiento por parte de los
procesos distribuidos. Esta visi´on m´as amplia es adoptada por la grid sem´antica [6] que se describe como
una extensi´on de la computaci´on grid donde la informaci´on y los servicios son descriptos de forma bien
definida, permitiendo trabajar a las personas y a las computadoras de una manera m´as cooperativa.
En este art´ıculo se analizan las recientes propuestas en el manejo de ontolog´ıas para describir de forma
sem´antica los recursos que forman parte del entorno grid, lo cu´al facilita la localizaci´on de los mismos
cuando las aplicaciones necesitan de ellos, y se exploran las posibilidades de desarrollo de m´odulos que
hagan uso de bases de conocimiento. De esta forma, es posible extender arquitecturas grid existentes con
el fin de hacer m´as eficiente la tarea de descubrir recursos en la web y componerlos en forma inteligente.
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