{"id":888,"date":"2026-03-24T04:34:39","date_gmt":"2026-03-24T04:34:39","guid":{"rendered":"https:\/\/www.visualize-ai.com\/ja\/data-flow-diagrams-vs-uml-models\/"},"modified":"2026-03-24T04:34:39","modified_gmt":"2026-03-24T04:34:39","slug":"data-flow-diagrams-vs-uml-models","status":"publish","type":"post","link":"https:\/\/www.visualize-ai.com\/ja\/data-flow-diagrams-vs-uml-models\/","title":{"rendered":"\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u3068UML\u30e2\u30c7\u30eb"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Whimsical infographic comparing Data Flow Diagrams and UML Models for software architecture: DFD side shows data movement with processes, data stores, external entities, and flow arrows; UML side displays object-oriented diagrams including class structures, use cases, and sequence interactions; highlights key differences in focus, complexity, and ideal use cases for business processes versus complex software systems\" decoding=\"async\" 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UML\u30e2\u30c7\u30eb\u306e\u7406\u89e3<\/h2>\n<p>\u7d71\u5408\u30e2\u30c7\u30eb\u8a00\u8a9e\uff08UML\uff09\u306f\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30b7\u30b9\u30c6\u30e0\u306e\u30a2\u30fc\u30c6\u30a3\u30d5\u30a1\u30af\u30c8\u3092\u53ef\u8996\u5316\u3001\u4ed5\u69d8\u5316\u3001\u69cb\u7bc9\u3001\u6587\u66f8\u5316\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u6a19\u6e96\u5316\u3055\u308c\u305f\u30e2\u30c7\u30eb\u8a00\u8a9e\u3067\u3059\u3002DFD\u304c\u6d41\u308c\u306b\u6ce8\u76ee\u3059\u308b\u306e\u306b\u5bfe\u3057\u3001UML\u306f\u69cb\u9020\u3001\u632f\u308b\u821e\u3044\u3001\u76f8\u4e92\u4f5c\u7528\u3068\u3044\u3063\u305f\u3088\u308a\u5e83\u7bc4\u306a\u8996\u70b9\u3092\u30ab\u30d0\u30fc\u3057\u3066\u3044\u307e\u3059\u3002\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u8a2d\u8a08\u306e\u539f\u5247\u306b\u6df1\u304f\u6839\u3056\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>UML\u56f3\u306e\u4e3b\u306a\u7a2e\u985e<\/h3>\n<p>UML\u306f1\u3064\u306e\u56f3\u3067\u306f\u306a\u304f\u3001\u69cb\u9020\u7684\u3068\u884c\u52d5\u7684\u306e2\u3064\u306e\u4e3b\u8981\u306a\u30b0\u30eb\u30fc\u30d7\u306b\u5206\u985e\u3055\u308c\u308b\u56f3\u306e\u7a2e\u985e\u306e\u96c6\u5408\u4f53\u3067\u3059\u3002<\/p>\n<h4>\u69cb\u9020\u56f3<\/h4>\n<ul>\n<li><strong>\u30af\u30e9\u30b9\u56f3\uff1a<\/strong>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u8a2d\u8a08\u306e\u57fa\u76e4\u3067\u3059\u3002\u30af\u30e9\u30b9\u3001\u5c5e\u6027\u3001\u64cd\u4f5c\u3001\u95a2\u4fc2\uff08\u7d99\u627f\u3001\u95a2\u9023\u3001\u96c6\u7d04\uff09\u3092\u542b\u3080\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u9759\u7684\u69cb\u9020\u3092\u793a\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u56f3\uff1a<\/strong>\u30b7\u30b9\u30c6\u30e0\u306e\u7269\u7406\u7684\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff08\u30e9\u30a4\u30d6\u30e9\u30ea\u3001\u30d5\u30a1\u30a4\u30eb\u3001\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u306a\u3069\uff09\u3068\u305d\u308c\u3089\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092\u8868\u3059\u3002<\/li>\n<li><strong>\u914d\u7f6e\u56f3\uff1a<\/strong>\u7269\u7406\u7684\u306a\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u793a\u3057\u3001\u30ce\u30fc\u30c9\uff08\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\uff09\u3068\u305d\u308c\u3089\u306b\u914d\u7f6e\u3055\u308c\u305f\u30a2\u30fc\u30c6\u30a3\u30d5\u30a1\u30af\u30c8\u3092\u8868\u793a\u3059\u308b\u3002<\/li>\n<\/ul>\n<h4>\u632f\u308b\u821e\u3044\u56f3<\/h4>\n<ul>\n<li><strong>\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u56f3\uff1a<\/strong>\u30a2\u30af\u30bf\u30fc\u3068\u30b7\u30b9\u30c6\u30e0\u306e\u9593\u306e\u76f8\u4e92\u4f5c\u7528\u3092\u8aac\u660e\u3057\u3001\u7279\u5b9a\u306e\u76ee\u7684\u3092\u9054\u6210\u3059\u308b\u305f\u3081\u306e\u3082\u306e\u3067\u3042\u308b\u3002\u30e6\u30fc\u30b6\u30fc\u8996\u70b9\u304b\u3089\u306e\u6a5f\u80fd\u6027\u306b\u7126\u70b9\u3092\u5f53\u3066\u308b\u3002<\/li>\n<li><strong>\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\uff1a<\/strong>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u76f8\u4e92\u4f5c\u7528\u3092\u6642\u9593\u306e\u9806\u5e8f\u3067\u793a\u3059\u3002\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u9593\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u6d41\u308c\u3092\u7406\u89e3\u3059\u308b\u4e0a\u3067\u4e0d\u53ef\u6b20\u3067\u3042\u308b\u3002<\/li>\n<li><strong>\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\uff1a<\/strong>\u30d5\u30ed\u30fc\u30c1\u30e3\u30fc\u30c8\u306b\u4f3c\u3066\u304a\u308a\u3001\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u6d3b\u52d5\u306e\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3092\u30e2\u30c7\u30eb\u5316\u3059\u308b\u3002\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u5185\u306e\u8907\u96d1\u306a\u8ad6\u7406\u3092\u8a18\u8ff0\u3059\u308b\u306e\u306b\u983b\u7e41\u306b\u4f7f\u7528\u3055\u308c\u308b\u3002<\/li>\n<li><strong>\u72b6\u614b\u6a5f\u68b0\u56f3\uff1a<\/strong>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u53d6\u308a\u3046\u308b\u72b6\u614b\u3068\u3001\u30a4\u30d9\u30f3\u30c8\u306b\u3088\u3063\u3066\u5f15\u304d\u8d77\u3053\u3055\u308c\u308b\u9077\u79fb\u3092\u8aac\u660e\u3059\u308b\u3002<\/li>\n<\/ul>\n<h2>\u2699\ufe0f \u6838\u5fc3\u7684\u306a\u9055\u3044\u3068\u69cb\u9020\u7684\u5bfe\u6bd4<\/h2>\n<p>\u4e21\u65b9\u306e\u624b\u6cd5\u306f\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08\u306e\u6587\u66f8\u5316\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u308b\u304c\u3001\u305d\u306e\u57fa\u76e4\u3068\u306a\u308b\u54f2\u5b66\u306f\u5927\u304d\u304f\u7570\u306a\u308b\u3002DFD\u306f\u30d7\u30ed\u30bb\u30b9\u6307\u5411\u3067\u3042\u308b\u306e\u306b\u5bfe\u3057\u3001UML\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u3067\u3042\u308b\u3002\u3053\u306e\u9055\u3044\u304c\u3001\u30c7\u30fc\u30bf\u3068\u8ad6\u7406\u306e\u8868\u73fe\u65b9\u6cd5\u3092\u6c7a\u5b9a\u3059\u308b\u3002<\/p>\n<h3>\u30c7\u30fc\u30bf\u3068\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u7126\u70b9<\/h3>\n<p>DFD\u3067\u306f\u3001\u5206\u6790\u306e\u4e3b\u306a\u5358\u4f4d\u306f\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u3067\u3042\u308b\u3002\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306f\u30c7\u30fc\u30bf\u306e\u751f\u6210\u307e\u305f\u306f\u6d88\u8cbb\u306e\u305f\u3081\u306b\u306e\u307f\u5b58\u5728\u3059\u308b\u3002\u72b6\u614b\u3084\u632f\u308b\u821e\u3044\u3092\u4fdd\u6301\u3059\u308b\u300c\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u300d\u3068\u3044\u3046\u6982\u5ff5\u306f\u5b58\u5728\u3057\u306a\u3044\u3002\u4e00\u65b9\u3001UML\u3067\u306f\u30af\u30e9\u30b9\u304c\u4e3b\u306a\u5358\u4f4d\u3067\u3042\u308b\u3002\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u30c7\u30fc\u30bf\uff08\u5c5e\u6027\uff09\u3068\u632f\u308b\u821e\u3044\uff08\u30e1\u30bd\u30c3\u30c9\uff09\u3092\u30ab\u30d7\u30bb\u30eb\u5316\u3059\u308b\u3002\u3053\u306e\u305f\u3081\u3001\u72b6\u614b\u7ba1\u7406\u3084\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u9593\u306e\u76f8\u4e92\u4f5c\u7528\u304c\u91cd\u8981\u306a\u8907\u96d1\u306a\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3084GUI\u99c6\u52d5\u578b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3067\u306f\u3001UML\u306e\u65b9\u304c\u9069\u3057\u3066\u3044\u308b\u3002<\/p>\n<h3>\u9759\u7684\u3068\u52d5\u7684\u8996\u70b9<\/h3>\n<p>DFD\u306f\u672c\u8cea\u7684\u306b\u52d5\u7684\u3067\u3042\u308a\u3001\u52d5\u304d\u3092\u793a\u3059\u3002\u3057\u304b\u3057\u3001\u30c7\u30fc\u30bf\u81ea\u4f53\u306e\u9759\u7684\u69cb\u9020\u7684\u8996\u70b9\u3092\u6b20\u3044\u3066\u3044\u308b\u3002\u6a19\u6e96\u7684\u306aDFD\u3067\u306f\u3001\u30b9\u30ad\u30fc\u30de\u3084\u30c7\u30fc\u30bf\u8981\u7d20\u9593\u306e\u95a2\u4fc2\u3092\u78ba\u8a8d\u3067\u304d\u306a\u3044\u3002\u4e00\u65b9\u3001UML\u306e\u30af\u30e9\u30b9\u56f3\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u30c7\u30fc\u30bf\u69cb\u9020\u306e\u9759\u7684\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3092\u63d0\u4f9b\u3057\u3001\u30b9\u30ad\u30fc\u30de\u3092\u660e\u793a\u7684\u306b\u5b9a\u7fa9\u3059\u308b\u3002\u3053\u308c\u306f\u3001\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u9593\u306e\u95a2\u4fc2\u3092\u7406\u89e3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u8005\u3084\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u3068\u3063\u3066\u3001\u91cd\u8981\u306a\u9055\u3044\u3067\u3042\u308b\u3002<\/p>\n<h3>\u8907\u96d1\u3055\u3068\u7c92\u5ea6<\/h3>\n<p>DFD\u306f\u4e00\u822c\u7684\u306b\u30b7\u30f3\u30d7\u30eb\u3067\u3001\u6280\u8853\u7684\u3067\u306a\u3044\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u306b\u3068\u3063\u3066\u8aad\u307f\u3084\u3059\u3044\u3002\u7d99\u627f\u968e\u5c64\u3084\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u306e\u8907\u96d1\u3055\u3092\u56de\u907f\u3059\u308b\u3002\u4e00\u65b9\u3001UML\u56f3\u3001\u7279\u306b\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3084\u30af\u30e9\u30b9\u56f3\u306f\u3001\u3059\u3050\u306b\u8907\u96d1\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308b\u3002\u3053\u306e\u8907\u96d1\u3055\u306f\u8a73\u7d30\u3092\u52a0\u3048\u308b\u304c\u3001\u6ce8\u610f\u6df1\u304f\u7ba1\u7406\u3055\u308c\u306a\u3044\u5834\u5408\u3001\u9ad8\u30ec\u30d9\u30eb\u306e\u30d3\u30b8\u30cd\u30b9\u8ad6\u7406\u3092\u96a0\u3057\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u3082\u3042\u308b\u3002<\/p>\n<h3>\u6bd4\u8f03\u8868<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u6a5f\u80fd<\/th>\n<th>\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\uff08DFD\uff09<\/th>\n<th>UML\u30e2\u30c7\u30eb<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u4e3b\u306a\u7126\u70b9<\/strong><\/td>\n<td>\u30c7\u30fc\u30bf\u306e\u79fb\u52d5\u3068\u51e6\u7406<\/td>\n<td>\u30b7\u30b9\u30c6\u30e0\u306e\u69cb\u9020\u3068\u632f\u308b\u821e\u3044<\/td>\n<\/tr>\n<tr>\n<td><strong>\u8a2d\u8a08\u30d1\u30e9\u30c0\u30a4\u30e0<\/strong><\/td>\n<td>\u69cb\u9020\u5316\u5206\u6790<\/td>\n<td>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u8a2d\u8a08<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30c7\u30fc\u30bf\u8868\u73fe<\/strong><\/td>\n<td>\u30d5\u30ed\u30fc\u3068\u30b9\u30c8\u30a2<\/td>\n<td>\u30af\u30e9\u30b9\u3068\u5c5e\u6027<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6700\u3082\u9069\u3057\u3066\u3044\u308b\u5206\u91ce<\/strong><\/td>\n<td>\u30d3\u30b8\u30cd\u30b9\u30d7\u30ed\u30bb\u30b9\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u30b7\u30b9\u30c6\u30e0<\/td>\n<td>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3001\u8907\u96d1\u306a\u8ad6\u7406<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u306e\u53ef\u8aad\u6027<\/strong><\/td>\n<td>\u9ad8\u3044<\/td>\n<td>\u4e2d\u7a0b\u5ea6\u304b\u3089\u4f4e\u3081\uff08\u8a13\u7df4\u304c\u5fc5\u8981\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\ud83e\udde9 DFD\u3092\u3044\u3064\u4f7f\u3046\u3079\u304d\u304b<\/h2>\n<p>\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u306f\u3001\u30d3\u30b8\u30cd\u30b9\u30d7\u30ed\u30bb\u30b9\u304c\u4e3b\u306a\u95a2\u5fc3\u4e8b\u3067\u3042\u308b\u72b6\u6cc1\u3067\u7279\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\uff1a<\/p>\n<ol>\n<li><strong>\u8981\u4ef6\u5b9a\u7fa9\uff1a<\/strong> \u30d3\u30b8\u30cd\u30b9\u95a2\u4fc2\u8005\u306b\u3001\u6280\u8853\u7684\u306a\u5b9f\u88c5\u8a73\u7d30\u306b\u5dfb\u304d\u8fbc\u307e\u308c\u308b\u3053\u3068\u306a\u304f\u3001\u30c7\u30fc\u30bf\u304c\u7d44\u7e54\u5185\u3067\u3069\u306e\u3088\u3046\u306b\u79fb\u52d5\u3059\u308b\u304b\u3092\u53ef\u8996\u5316\u3059\u308b\u306e\u3092\u652f\u63f4\u3059\u308b\u3002<\/li>\n<li><strong>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u51e6\u7406\u30b7\u30b9\u30c6\u30e0\uff1a<\/strong> 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