{"id":8121,"date":"2013-10-31T08:48:42","date_gmt":"2013-10-31T08:48:42","guid":{"rendered":"https:\/\/networks.imdea.org\/la-clave-es-la-estructura\/"},"modified":"2021-01-19T10:55:38","modified_gmt":"2021-01-19T09:55:38","slug":"la-clave-es-la-estructura","status":"publish","type":"post","link":"https:\/\/networks.imdea.org\/es\/la-clave-es-la-estructura\/","title":{"rendered":"La clave es la estructura"},"content":{"rendered":"<p><strong>Autores: <\/strong><\/p>\n<div class=\"grid-2\"><a href=\"https:\/\/networks.imdea.org\/es\/?s=antonio+fernandez+anta&amp;search-type=normal\" target=\"_blank\" rel=\"noopener\"><br \/>\nAntonio Fern\u00e1ndez Anta<\/a>, Research Professor, Institute IMDEA Networks; <a href=\"https:\/\/networks.imdea.org\/es\/equipo\/equipo-imdea-networks\/personas\/agustin-santos\/\" target=\"_blank\" rel=\"noopener\">Agust\u00edn Santos M\u00e9ndez<\/a>, Research Engineer, Institute IMDEA Networks<\/div>\n<div style=\"clear: both;\"><\/div>\n<hr \/>\n<p class=\"rtejustify\"><img decoding=\"async\" style=\"float: left; height: 120px; margin: 10px; width: 160px;\" src=\"http:\/\/www.networks.imdea.org\/wp-content\/uploads\/2020\/10\/2013-10-24-news-img-160x120px.png\" alt=\"\" \/>La ciencia ha tenido hist\u00f3ricamente una aproximaci\u00f3n anal\u00edtica al estudio del mundo y la naturaleza, descomponi\u00e9ndolos en las partes que los forman y estudi\u00e1ndolas por separado. El objetivo ha sido derivar las propiedades del todo a partir de las propiedades de sus partes.<\/p>\n<p class=\"rtejustify\">En los \u00faltimos a\u00f1os se ha demostrado que tan importante o m\u00e1s que las partes que componen un sistema, es c\u00f3mo se relacionan las mismas, <strong>su estructura<\/strong>. Esta observaci\u00f3n ha llevado a la aparici\u00f3n incluso de nuevas \u00e1reas cient\u00edficas, como la ciencia de las redes. Un ejemplo claro de la importancia de la estructura nos la dio recientemente un amigo<a href=\"#sdfootnote1sym\" name=\"sdfootnote1anc\"><sup>1<\/sup><\/a>: toma una manzana y m\u00e9tela en una batidora. Antes y despu\u00e9s de encender la batidora lo que hay dentro es el mismo conjunto de elementos b\u00e1sicos, pero su principal diferencia es la estructura.<\/p>\n<p class=\"rtejustify\">En <a href=\"http:\/\/www.networks.imdea.org\/\">IMDEA Networks<\/a> estamos desarrollando, dentro de un proyecto coordinado por las empresas <a href=\"http:\/\/www.zed.com\/\">Zed Worldwide S.A<\/a>. y <a href=\"http:\/\/www.u-tad.com\/\">Factory Holding Company 25 S.L.<\/a> (FHC25), una herramienta que va a permitir el estudio de sistemas grandes y complejos desde el punto de vista de su estructura. Para dicha herramienta, los sistemas a explorar se modelan como redes, formadas por entidades y las relaciones entre ellas. Por ejemplo, ser\u00e1 capaz de estudiar de forma sencilla la estructura de las redes sociales, donde las entidades de la red son personas y sus relaciones pueden ser, por ejemplo, de amistad.<\/p>\n<p class=\"rtejustify\">Sin embargo, estamos rodeados (y formados) de redes: la red de carreteras, la red de neuronas en nuestro cerebro, la red de relaciones comerciales entre empresas, etc. La potencia de nuestro instrumento es que podr\u00e1 ser usado para estudiar todas esas redes tambi\u00e9n.<\/p>\n<p class=\"rtejustify\">Los estudios que permitir\u00e1 realizar incluyen la extracci\u00f3n de par\u00e1metros b\u00e1sicos de una red, como el n\u00famero de entidades y relaciones que la componen, la distancia media entre ellas, el di\u00e1metro de la red, etc. Estas propiedades ya dicen mucho de la red. Incluso sin tener datos hist\u00f3ricos, se puede inducir c\u00f3mo se ha formado y ha crecido, y por lo tanto predecir hasta cierto punto c\u00f3mo va a evolucionar. Si adem\u00e1s se sabe como ha evolucionado la red en el tiempo, es posible hacer predicciones mucho m\u00e1s detalladas y ricas.<\/p>\n<p class=\"rtejustify\">Un aspecto muy importante de estos estudios es la posibilidad de influir en la evoluci\u00f3n futura del sistema estudiado. Por ejemplo, se pueden determinar las entidades clave existentes en la red (esos amigos que mantienen la panda unida), y sin las cuales la misma se deshar\u00eda. Si sabemos qui\u00e9nes son esos individuos, podemos tomar medidas para incentivar que no abandonen el sistema e incluso fomentar su actividad dentro del mismo.<\/p>\n<p class=\"rtejustify\">Uno de los mayores desaf\u00edos que presenta el trabajo que se est\u00e1 desarrollando es el tama\u00f1o de las redes que se quieren estudiar. Se aspira a procesar redes de cientos de millones de entidades, con miles de millones de relaciones. Redes de esta escala son ya habituales (por ejemplo, Facebook o Twitter) y es evidente que el \u00e9xito de las ya existentes avala la aparici\u00f3n futura de otras incluso m\u00e1s complejas. El procesamiento eficiente de redes de este tama\u00f1o implica el desarrollo de una tecnolog\u00eda que est\u00e1 m\u00e1s all\u00e1 de lo disponible actualmente. Lo que s\u00ed sabemos es que esta tecnolog\u00eda por venir buscar\u00e1 la clave de las redes en su estructura y el reto de su creaci\u00f3n vendr\u00e1 determinado por la complejidad de la misma.<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"290\" height=\"300\" class=\"size-medium wp-image-21109 alignleft\" src=\"https:\/\/networks.imdea.org\/wp-content\/uploads\/2021\/01\/media-file-structure-is-the-key-2-290x300.png\" alt=\"\" \/><em>Representaci\u00f3n gr\u00e1fica de redes en la que cada c\u00edrculo es una entidad y las l\u00edneas representan relaciones entre entidades. La estructura w1 muestra una red muy densa e interrelacionada. Las estructuras w2 a 4 muestran diferentes aspectos relacionales de una misma red, por lo que la forma cambia seg\u00fan las relaciones a destacar (nodos m\u00e1s activos, dependencias, etc.).<\/p>\n<p><\/em>Reproducimos el ejemplo (adaptado) con su permiso.<\/p>","protected":false},"excerpt":{"rendered":"Autores: Antonio Fern\u00e1ndez Anta, Research Professor, Institute IMDEA Networks; Agust\u00edn Santos M\u00e9ndez, Research Engineer, Institute IMDEA Networks La ciencia ha tenido hist\u00f3ricamente una aproximaci\u00f3n anal\u00edtica al estudio del mundo y la naturaleza, descomponi\u00e9ndolos en las partes que los forman y estudi\u00e1ndolas por separado. El objetivo ha sido derivar las propiedades del todo a partir de&#8230;","protected":false},"author":1,"featured_media":13615,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[483,486],"class_list":["post-8121","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sin-categoria","tag-networked-systems","tag-social-networks"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>La clave es la estructura - IMDEA Networks<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/networks.imdea.org\/es\/la-clave-es-la-estructura\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"La clave es la estructura - IMDEA Networks\" \/>\n<meta property=\"og:description\" content=\"Autores: Antonio Fern\u00e1ndez Anta, Research Professor, Institute IMDEA Networks; Agust\u00edn Santos M\u00e9ndez, Research Engineer, Institute IMDEA Networks La ciencia ha tenido hist\u00f3ricamente una aproximaci\u00f3n anal\u00edtica al estudio del mundo y la naturaleza, descomponi\u00e9ndolos en las partes que los forman y estudi\u00e1ndolas por separado. 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