{"id":34768,"date":"1998-01-01T00:00:00","date_gmt":"1998-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/un-modelo-de-flujo-de-datos-para-la-evaluacion-de-consultas-en-bases-de-datos-deductivas\/"},"modified":"1998-01-01T00:00:00","modified_gmt":"1998-01-01T00:00:00","slug":"un-modelo-de-flujo-de-datos-para-la-evaluacion-de-consultas-en-bases-de-datos-deductivas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/matematicas\/un-modelo-de-flujo-de-datos-para-la-evaluacion-de-consultas-en-bases-de-datos-deductivas\/","title":{"rendered":"Un modelo de flujo de datos para la evaluacion de consultas en bases de datos deductivas."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Jos\u00e9 Francisco Aldana Montes <\/strong><\/h2>\n<p>El presente trabajo estudia la evaluaci\u00f3n paralela y distribuida de consultas datalog con negaci\u00f3n estratificada. Utiliza un modelo computacional de flujo de datos que emplea para obtener resultados tanto en la evaluaci\u00f3n como en la optimizaci\u00f3n por reescritura de consultas datalog.  desde el punto de vista de la evaluaci\u00f3n, se ofrece un algoritmo que, al eliminar c\u00f3mputos redundantes que a\u00fan est\u00e1n presentes en la evaluaci\u00f3n desarrollada por el algoritmo semi-ingenuo, produce una evaluaci\u00f3n m\u00e1s eficiente que la desarrollada mediante \u00e9ste. Por otro lado, el modelo computacional de flujo de datos permite la descomposici\u00f3n funcional del programa sin por ello introducir nuevas fuentes de ineficiencia en la evaluaci\u00f3n.  por \u00faltimo, se desarrollan dos nuevos algoritmos de optimizaci\u00f3n de consultas que mejoran a los actualmente descritos en la literatura, extendi\u00e9ndolos con nuevas transformaciones que permiten optimizaciones adicionales.  estos algoritmos no solo consideran informaci\u00f3n sintactica, sino que tambi\u00e9n utilizan con provecho las restricciones de integridad sem\u00e1ntica existentes en la base de datos.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Un modelo de flujo de datos para la evaluacion de consultas en bases de datos deductivas.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Un modelo de flujo de datos para la evaluacion de consultas en bases de datos deductivas. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Jos\u00e9 Francisco Aldana Montes <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 M\u00e1laga<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1998<\/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>Jos\u00e9 Mar\u00eda Troya Linero<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Antonio  Ram\u00f3n Vaquero S\u00e1nchez <\/li>\n<li> Ruz Ortiz Jos\u00e9 J. (vocal)<\/li>\n<li>Felix Saltor Soler (vocal)<\/li>\n<li>Matilde Celma Gimenez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Jos\u00e9 Francisco Aldana Montes El presente trabajo estudia la evaluaci\u00f3n paralela y distribuida de consultas datalog con [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[6314,1890,6474,7834,126],"tags":[6568,4014,70661,4814,36416,88431],"class_list":["post-34768","post","type-post","status-publish","format-standard","hentry","category-bases-de-datos","category-ciencia-de-los-ordenadores","category-lenguajes-de-programacion","category-malaga","category-matematicas","tag-antonio-ramon-vaquero-sanchez","tag-felix-saltor-soler","tag-jose-francisco-aldana-montes","tag-jose-maria-troya-linero","tag-matilde-celma-gimenez","tag-ruz-ortiz-jose-j"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/34768","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=34768"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/34768\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=34768"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=34768"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=34768"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}