Abstract

<p>Un requerimiento clave para materializar la Web semántica involucra la anotación de los recursos y servicios Web con metadatos semánticos. Este procedimiento se ha abordado tradicionalmente como una tarea manual, la cual implica un consumo elevado de tiempo y recursos, así como el conocimiento de formatos de descripción y representaciones formales de conocimiento, como las ontologías. Algunos trabajos de investigación han promovido la generación de mecanismos que automaticen de manera parcial el procedimiento de anotación semántica, sin embargo, en el caso particular de los servicios, estos trabajos prescinden de un análisis del contexto lingüístico de las interfaces o documentos descriptores, que facilite la asignación adecuada de anotaciones semánticas sobre los atributos funcionales de los servicios. En este marco, el presente trabajo, introduce un mecanismo para automatizar la anotación semántica de servicios SOAP, soportada en técnicas de desambiguación del sentido de las palabras (WSD), a partir de las cuales es posible vincular el contexto de los documentos descriptores, al procedimiento de identificación y asociación de entidades ontológicas relacionadas con los atributos del servicio. Este artículo aborda la descripción del mecanismo mencionado, soportándose en un ejemplo, así como los resultados de la evaluación experimental realizada sobre un prototipo que implementa la propuesta.</p>

Highlights

  • The semantic annotations of currently available services on the web for easing processes of discovery and composition is an essential activity for the materialization of semantic web

  • This paper introduces a mechanism to automate the semantic annotation of SOAP services, supported by Word Sense Disambiguation techniques (WSD), from which it is possible to link the context of descriptor documents to the procedure of identification and association of ontological entities related to service attributes

  • In view of the above, this paper introduces a novel platform for supporting the semantic annotation process of Web and Telecommunication services (Telco) based on Word Sense Disambiguation (WSD) techniques, used for identifying the linguistic context of the service descriptors in order to enable the automatic association of ontological entities to functional attributes of the services

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Summary

Introduction

The semantic annotations of currently available services on the web for easing processes of discovery and composition is an essential activity for the materialization of semantic web. Nowadays there is a huge amount of both resources and services available online, so that they have overwhelmed the search engines capability for effectively meeting the queries from users and software agents. The information about the functionality of each web service is encoded in documents called service descriptors, which allow their discovery and retrieval (Cardoso, Miller & Emani, 2008). The semantic annotation of web service descriptors allows automated agents to reason about the capabilities offered by the services and make decision regarding discovery and composition tasks, avoiding the complexity that those processes involve for users or developers. The amount of time required for service creation and deployment (time to market) tends to reduce, encouraging the creation of new value added services (Osman et al, 2006)

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