{"version":"1.0","provider_name":"Visual Paradigm Blog","provider_url":"https:\/\/blog.visual-paradigm.com\/vn","title":"H\u01b0\u1edbng d\u1eabn cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u v\u1ec1 s\u01a1 \u0111\u1ed3 DFD c\u1ee7a Yourdon DeMarco - Visual Paradigm Blog","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"42XzlHfpAG\"><a href=\"https:\/\/blog.visual-paradigm.com\/vn\/beginners-guide-to-yourdon-demarco-dfd-diagrams\/\">H\u01b0\u1edbng d\u1eabn cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u v\u1ec1 s\u01a1 \u0111\u1ed3 DFD c\u1ee7a Yourdon DeMarco<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/blog.visual-paradigm.com\/vn\/beginners-guide-to-yourdon-demarco-dfd-diagrams\/embed\/#?secret=42XzlHfpAG\" width=\"600\" height=\"338\" title=\"&#8220;H\u01b0\u1edbng d\u1eabn cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u v\u1ec1 s\u01a1 \u0111\u1ed3 DFD c\u1ee7a Yourdon DeMarco&#8221; &#8212; Visual Paradigm Blog\" data-secret=\"42XzlHfpAG\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/blog.visual-paradigm.com\/vn\/wp-content\/uploads\/sites\/13\/2026\/01\/img_650be1366a593.png","thumbnail_width":959,"thumbnail_height":751,"description":"Gi\u1edbi thi\u1ec7u S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u (DFD) l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 h\u1eefu \u00edch \u0111\u1ec3 tr\u1ef1c quan h\u00f3a v\u00e0 ghi ch\u00e9p lu\u1ed3ng d\u1eef li\u1ec7u b\u00ean trong m\u1ed9t h\u1ec7 th\u1ed1ng. C\u00e1c s\u01a1 \u0111\u1ed3 DFD c\u1ee7a Yourdon DeMarco, mang t\u00ean theo c\u00e1c nh\u00e0 s\u00e1ng t\u1ea1o l\u00e0 Edward Yourdon v\u00e0 Tom DeMarco, cung c\u1ea5p m\u1ed9t c\u00e1ch c\u00f3 c\u1ea5u [&hellip;]"}