{"id":117316,"date":"2018-03-11T10:46:47","date_gmt":"2018-03-11T10:46:47","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/implicit-semantic-roles-in-discourse\/"},"modified":"2018-03-11T10:46:47","modified_gmt":"2018-03-11T10:46:47","slug":"implicit-semantic-roles-in-discourse","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/inteligencia-artificial\/implicit-semantic-roles-in-discourse\/","title":{"rendered":"Implicit semantic roles in discourse"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Egoitz Laparra Martin <\/strong><\/h2>\n<p>El etiquetado de roles sem\u00e1nticos impl\u00edcitos es la tarea de encontrar los roles de unpredicado mas all\u00e1 de los los l\u00edmites de la frase o de las relaciones sint\u00e1cticas directas.Para este tipo de an\u00e1lisis, un sistema debe combinar t\u00e9cnicas de procesamiento tanto anivel sem\u00e1ntico como a nivel pragm\u00e1tico. En esta tesis se presenta un propuesta queconsiste en enfrentar la resoluci\u00f3n de roles impl\u00edcitos trat\u00e1ndolos como un tipo deexpresiones anaf\u00f3ricas que dependen de la informaci\u00f3n correferente de los eventos.Adem\u00e1s tambi\u00e9n se afronta el problema de la escasez de datos de entrenamiento paraesta tarea. Con el objetivo de cubrir estos dos aspectos proponemos tresaproximaciones diferentes a la tarea.Nuestro primer enfoque sigue los trabajos previos que relacionan los roles impl\u00edcitoscon coreferencia nominal. Para ello estudiamos un conjunto de modelos y m\u00e9todosusados habitualmente para la resoluci\u00f3n de correferencia y de an\u00e1fora para adaptarlosde forma que sean los mas independientes que sea posible del l\u00e9xico.Para nuestra segunda aproximaci\u00f3n introducimos una estrategia novedosa que intentaaprovechar la correferencia de eventos. En este caso seguimos la idea de que lasdiferentes menciones del mismo predicado en un texto tienden a hacer referencia almismo evento y por tanto comparten los mismo participantes. Como resultado hemosdesarrollado un algoritmo determinista, impar, que no requiere anotaciones manualespara entrenamiento.Por \u00faltimo, proponemos una nueva estrategia que extiende la configuraci\u00f3n b\u00e1sica delalgoritmo impar. En este caso aprovechamos la relaciones sem\u00e1nticas entre rolesdefinidas en framenet. Esta relaciones son usadas dentro de impar para descubrirrelaciones de implicaci\u00f3n entre los roles y los eventos.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Implicit semantic roles in discourse<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Implicit semantic roles in discourse <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Egoitz Laparra Martin <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Pa\u00eds vasco\/euskal herriko unibertsitatea<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 24\/03\/2015<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>German Rigau Claramunt<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: m. aranzazu Diaz de ilarraza sanchez <\/li>\n<li>Mar\u00eda Taul\u00e9 delor (vocal)<\/li>\n<li>sara Tonelli &#8212; (vocal)<\/li>\n<li>horacio Rodr\u00edguez hontoria (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Egoitz Laparra Martin El etiquetado de roles sem\u00e1nticos impl\u00edcitos es la tarea de encontrar los roles de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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