98 resultados para Andorra


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UANL

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Trabajo surgido de la colaboración de los alumnos de séptimo de EGB del Colegio Público Ibáñez Trujillo, durante el curso académico 1986-1987, con la finalidad de iniciar al alumnado en tareas de investigación, búsqueda y recopilación de temas de su interés que incluye trabajos dentro del área de lenguaje. Se exponen los distintos juegos, recopilados por los alumnos y distribuídos en: juegos de azar, de comba, de corros, chapas y canicas, goma, palabras, pelota, pillar, prendas, representaciones y varios. A la descripción de cada juego se le acompaña un dibujo explicativo.

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El artículo forma parte de una sección de la revista dedicada a innovación educativa

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Resumen basado en de la publicaci??n

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Andorra és un microestat situat al bell mig Pirineus, històricament la dinàmica de la població i els seus costums han estat lligats a l’entorn i als recursos que aquest els ofereix. A partir dels anys 50 però, Andorra pateix un increment demogràfic i un canvi en les activitats que s’hi desenvolupen, amb un descens del pes del sector primari i un increment de les activitats del terciari. Aquest fet porta a l'expansió dels nuclis de població i un augment de l’oferta de serveis per a potenciar el turisme i el comerç , augmentant així la pressió sobre el medi, que es veu incrementada per la manca de control i de regulació en l’àmbit de l’ordenament territorial. En els últims anys però, s’han realitzat diferents actuacions que han intentat esmenar aquestes mancances, creant, per exemple, legislació d’ordenació del territori i urbanisme (2001), i els Parcs Naturals de la Vall de Sorteny (1999) i del Comapedrosa (2006). Tot i això, és evident que en l’actualitat existeixen encara moltes mancances que cal resoldre urgentment. Per aquest motiu es fa la la proposta d’una xarxa d’espais naturals protegits a Andorra i la creació d’unes directrius que en facilitin la seva gestió. Situant Andorra a l’alçada d’altres països europeus en matèria de protecció del medi natural, i proporcionant unes bases que permetin la gestió unificada d’aquesta xarxa.

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Musik von Halévy. Nach dem Franz. des St. Georges frei bearb. von L. Rellstab

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Andorra-I is the first implementation of a language based on the Andorra Principie, which states that determinate goals can (and shonld) be run before other goals, and even in a parallel fashion. This principie has materialized in a framework called the Basic Andorra model, which allows or-parallelism as well as (dependent) and-parallelism for determinate goals. In this report we show that it is possible to further extend this model in order to allow general independent and-parallelism for nondeterminate goals, withont greatly modifying the underlying implementation machinery. A simple an easy way to realize such an extensión is to make each (nondeterminate) independent goal determinate, by using a special "bagof" constract. We also show that this can be achieved antomatically by compile-time translation from original Prolog programs. A transformation that fulfüls this objective and which can be easily antomated is presented in this report.

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The Andorra family of languages (which includes the Andorra Kernel Language -AKL) is aimed, in principie, at simultaneously supporting the programming styles of Prolog and committed choice languages. On the other hand, AKL requires a somewhat detailed specification of control by the user. This could be avoided by programming in Prolog to run on AKL. However, Prolog programs cannot be executed directly on AKL. This is due to a number of factors, from more or less trivial syntactic differences to more involved issues such as the treatment of cut and making the exploitation of certain types of parallelism possible. This paper provides basic guidelines for constructing an automatic compiler of Prolog programs into AKL, which can bridge those differences. In addition to supporting Prolog, our style of translation achieves independent and-parallel execution where possible, which is relevant since this type of parallel execution preserves, through the translation, the user-perceived "complexity" of the original Prolog program.

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The characteristics of CC and CLP systems are in principle very dierent However a recent trend towards convergence in the implementation techniques for these systems can be observed While CLP and Prolog systems have been incorporating capabilities to deal with userdened suspension and coroutining CC compilers have been trying to coalesce negrained tasks into coarsergrained sequential threads This convergence of techniques opens up the possibility of having a general purpose kernel language and abstract machine to serve as a compilation target for a variety of userlevel languages We propose a transformation technique directed towards such an objective In particular we report on techniques to support the Andorra computational model essentially emulating the AndorraI system via program transformation into a sequential language with delay primitives The system is automatic comprising an optional program analyzer and a basic transformer to the kernel language It turns out that a simple parallel CLP or Prolog system with dynamic scheduling is sucient as a kernel language for this purpose The preliminary results are quite encouraging performance of the resulting system is comparable to the current AndorraI implementation.