25 research outputs found

    HAUTO: Automated composition of convergent services based in HTN planning

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    This paper presents HAUTO, a framework able to compose convergent services automatically. HAUTO is based in HTN (hierarchical task networks) Automated Planning and is composed of three modules: a request processing module that transforms natural language and context information into a planning instance, the automated composition module based on HTN planning and the execution environment for convergent (Web and telecom) services. The integration of a planning component provides two basic functionalities: the possibility of customizing the composition of services using the user context information and a middleware level that integrates the execution of services in high performance telecom environments. Finally, a prototype in environmental early warning management is presented as a test case

    HAUTO: Automated composition of convergent services based in HTN planning

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    This paper presents HAUTO, a framework able to compose convergent services automatically. HAUTO is based in HTN (hierarchical task networks) Automated Planning and is composed of three modules: a request processing module that transforms natural language and context information into a planning instance, the automated composition module based on HTN planning and the execution environment for convergent (Web and telecom) services. The integration of a planning component provides two basic functionalities: the possibility of customizing the composition of services using the user context information and a middleware level that integrates the execution of services in high performance telecom environments. Finally, a prototype in environmental early warning management is presented as a test case

    Hauto: composici贸n autom谩tica de servicios convergentes, basada en la planificaci贸n htn

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    Este art铆culo presenta HAUTO, un framework que permite componer autom谩ticamente servicios convergentes. HAUTO se basa en la planificaci贸n autom谩tica basada en redes jer谩rquicas de tareas HTN y se compone de tres m贸dulos: un m贸dulo de procesamiento de la solicitud, que transforma el lenguaje natural e informaci贸n del contexto en una instancia de planificaci贸n, el m贸dulo de composici贸n autom谩tica basado en la planificaci贸n HTN; y el tercero, es el entorno de ejecuci贸n para servicios convergentes (Web y Telecom). La integraci贸n de un componente de planificaci贸n provee dos funcionalidades b谩sicas: la posibilidad de personalizar la composici贸n de los servicios usando la informaci贸n del contexto del usuario y un middleware que se integra con la ejecuci贸n de los servicios en entornos de Telecomunicaciones de alto rendimiento. Finalmente, se presenta como caso de estudio un prototipo para la gesti贸n de alertas ambientales tempranas.This paper presents HAUTO, a framework able to compose convergent services automatically. HAUTO is based in HTN (hierarchical task networks) Automated Planning and is composed of three modules: a request processing module that transforms natural language and context information into a planning instance, the automated composition module based on HTN planning and the execution environment for convergent (Web and telecom) services. The integration of a planning component provides two basic functionalities: the possibility of customizing the composition of services using the user context information and a middleware level that integrates the execution of services in high performance telecom environments. Finally, a prototype in environmental early warning management is presented as a test case

    Web service composition: A survey of techniques and tools

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    Web services are a consolidated reality of the modern Web with tremendous, increasing impact on everyday computing tasks. They turned the Web into the largest, most accepted, and most vivid distributed computing platform ever. Yet, the use and integration of Web services into composite services or applications, which is a highly sensible and conceptually non-trivial task, is still not unleashing its full magnitude of power. A consolidated analysis framework that advances the fundamental understanding of Web service composition building blocks in terms of concepts, models, languages, productivity support techniques, and tools is required. This framework is necessary to enable effective exploration, understanding, assessing, comparing, and selecting service composition models, languages, techniques, platforms, and tools. This article establishes such a framework and reviews the state of the art in service composition from an unprecedented, holistic perspective

    Towards automated composition of convergent services: A survey

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    A convergent service is defined as a service that exploits the convergence of communication networks and at the same time takes advantage of features of the Web. Nowadays, building up a convergent service is not trivial, because although there are significant approaches that aim to automate the service composition at different levels in the Web and Telecom domains, selecting the most appropriate approach for specific case studies is complex due to the big amount of involved information and the lack of technical considerations. Thus, in this paper, we identify the relevant phases for convergent service composition and explore the existing approaches and their associated technologies for automating each phase. For each technology, the maturity and results are analysed, as well as the elements that must be considered prior to their application in real scenarios. Furthermore, we provide research directions related to the convergent service composition phases
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