{"id":6380,"date":"2026-02-04T17:22:22","date_gmt":"2026-02-04T09:22:22","guid":{"rendered":"https:\/\/guides.visual-paradigm.com\/ja\/validating-your-data-flow-diagrams-ensuring-clarity-and-accuracy\/"},"modified":"2026-02-04T17:22:22","modified_gmt":"2026-02-04T09:22:22","slug":"validating-your-data-flow-diagrams-ensuring-clarity-and-accuracy","status":"publish","type":"post","link":"https:\/\/guides.visual-paradigm.com\/ja\/validating-your-data-flow-diagrams-ensuring-clarity-and-accuracy\/","title":{"rendered":"\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u56f3\u306e\u691c\u8a3c\uff1a\u660e\u78ba\u3055\u3068\u6b63\u78ba\u6027\u306e\u78ba\u4fdd"},"content":{"rendered":"<h2>\u306f\u3058\u3081\u306b<\/h2>\n<p><a href=\"https:\/\/www.visual-paradigm.com\/guide\/data-flow-diagram\/what-is-data-flow-diagram\/\">\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u56f3<\/a>\uff08DFD\uff09\u306f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u5de5\u5b66\u306e\u5206\u91ce\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u30c4\u30fc\u30eb\u3067\u3042\u308a\u3001\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u30c7\u30fc\u30bf\u306e\u6d41\u308c\u3092\u8996\u899a\u7684\u306b\u8868\u73fe\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u3053\u308c\u3089\u306e\u56f3\u3092\u4f5c\u6210\u3059\u308b\u969b\u306e\u8907\u96d1\u3055\u304b\u3089\u3001\u6b63\u78ba\u6027\u3068\u660e\u78ba\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u5fb9\u5e95\u7684\u306a\u691c\u8a3c\u30d7\u30ed\u30bb\u30b9\u304c\u5fc5\u8981\u3067\u3059\u3002\u3053\u3053\u3067\u306f\u3001DFD\u3092\u52b9\u679c\u7684\u306b\u691c\u8a3c\u3059\u308b\u305f\u3081\u306e\u8cea\u554f\u3084\u8003\u616e\u4e8b\u9805\u306e\u30bb\u30c3\u30c8\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h2><strong>\u5358\u4e00\u56f3\u306e\u691c\u8a3c<\/strong><\/h2>\n<ol>\n<li><strong>\u63a5\u7d9a\u78ba\u8a8d\uff1a<\/strong>\n<ul>\n<li>\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u304c\u77e2\u5370\u306e\u5148\u982d\u307e\u305f\u306f\u672b\u7aef\u3067\u30d7\u30ed\u30bb\u30b9\u306b\u9069\u5207\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d7\u30ed\u30bb\u30b9\u3084\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u9593\u306e\u30c7\u30fc\u30bf\u306e\u6d41\u308c\u304c\u660e\u78ba\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u4f8b\uff1a\u9280\u884c\u30b7\u30b9\u30c6\u30e0\u306eDFD\u306b\u304a\u3044\u3066\u3001\u300c\u9867\u5ba2\u306e\u51fa\u91d1\u4f9d\u983c\u300d\u3092\u8868\u3059\u77e2\u5370\u304c\u300c\u30d7\u30ed\u30bb\u30b9\uff1a\u51fa\u91d1\u51e6\u7406\u300d\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/li>\n<li><strong>\u30e9\u30d9\u30eb\u306e\u660e\u78ba\u3055\uff1a<\/strong>\n<ul>\n<li>\u5404\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u304c\u610f\u5473\u306e\u3042\u308b\u540d\u8a5e\u3067\u30e9\u30d9\u30eb\u4ed8\u3051\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3001\u4f1d\u9054\u3055\u308c\u308b\u60c5\u5831\u306e\u7406\u89e3\u3092\u660e\u78ba\u306b\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u4f8b\uff1a\u66d6\u6627\u306a\u30e9\u30d9\u30eb\u300c\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc1\u300d\u306e\u4ee3\u308f\u308a\u306b\u3001\u300c\u9867\u5ba2\u60c5\u5831\u300d\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u7406\u89e3\u304c\u6df1\u307e\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li><strong>\u30d7\u30ed\u30bb\u30b9\u306e\u5165\u529b\u3068\u51fa\u529b\uff1a<\/strong>\n<ul>\n<li>\u3059\u3079\u3066\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u5c11\u306a\u304f\u3068\u30821\u3064\u306e\u5165\u529b\u3068\u51fa\u529b\u3092\u6301\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u691c\u8a3c\u3057\u3001\u30d7\u30ed\u30bb\u30b9\u304c\u30c7\u30fc\u30bf\u3092\u9069\u5207\u306b\u51e6\u7406\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u4f8b\uff1a\u30aa\u30f3\u30e9\u30a4\u30f3\u30b7\u30e7\u30c3\u30d4\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3044\u3066\u3001\u300c\u30d7\u30ed\u30bb\u30b9\uff1a\u6ce8\u6587\u306e\u767a\u9001\u300d\u304c\u300c\u9867\u5ba2\u6ce8\u6587\u300d\u306a\u3069\u306e\u5165\u529b\u3068\u300c\u51fa\u8377\u6e08\u307f\u6ce8\u6587\u300d\u306a\u3069\u306e\u51fa\u529b\u3092\u6301\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/li>\n<li><strong>\u30d7\u30ed\u30bb\u30b9\u306e\u547d\u540d\u898f\u5247\uff1a<\/strong>\n<ul>\n<li>\u3059\u3079\u3066\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u300c\u4f55\u304b\u3092\u4f55\u304b\u306b\u5bfe\u3057\u3066\u884c\u3046\u300d\u3068\u3044\u3046\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306b\u5f93\u3063\u3066\u610f\u5473\u306e\u3042\u308b\u540d\u524d\u304c\u4ed8\u3051\u3089\u308c\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3057\u3001\u300c\u30d7\u30ed\u30bb\u30b9\u300d\u3084\u300c\u51e6\u7406\u300d\u306a\u3069\u306e\u4e00\u822c\u7684\u306a\u7528\u8a9e\u3092\u907f\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n<p>\u4f8b\uff1a\u300c\u51e6\u7406\u300d\u3068\u3044\u3046\u540d\u524d\u306e\u4ee3\u308f\u308a\u306b\u3001\u300c\u652f\u6255\u3044\u306e\u691c\u8a3c\u300d\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30d7\u30ed\u30bb\u30b9\u304c\u5b9f\u884c\u3059\u308b\u52d5\u4f5c\u304c\u660e\u78ba\u306b\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u306e\u547d\u540d\uff1a<\/strong>\n<ul>\n<li>\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u304c\u683c\u7d0d\u3059\u308b\u30a2\u30a4\u30c6\u30e0\u306e\u7a2e\u985e\u3092\u540d\u524d\u306b\u53cd\u6620\u3057\u3001\u660e\u78ba\u3055\u306e\u305f\u3081\u306b\u8907\u6570\u5f62\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n<p>\u4f8b\uff1a\u300c\u6ce8\u6587\u30c7\u30fc\u30bf\u300d\u3068\u3044\u3046\u540d\u524d\u306e\u4ee3\u308f\u308a\u306b\u3001\u300c\u6ce8\u6587\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u300d\u3068\u3057\u3066\u3001\u8907\u6570\u306e\u6ce8\u6587\u3092\u683c\u7d0d\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li><strong>\u8868\u73fe\u306e\u4e00\u8cab\u6027\uff1a<\/strong>\n<ul>\n<li>\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u3084\u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u8907\u6570\u56de\u8868\u793a\u3059\u308b\u969b\u306f\u3001\u5404\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u300c\u5bfe\u89d2\u7dda\u300d\u304c\u4ed8\u3044\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3001\u4e00\u8cab\u6027\u3092\u4fdd\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n<p>\u4f8b\uff1a\u88fd\u9020\u696d\u306eDFD\u306b\u304a\u3044\u3066\u3001\u300c\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u300d\u304c2\u56de\u8868\u793a\u3055\u308c\u308b\u5834\u5408\u3001\u4e21\u65b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u5bfe\u89d2\u7dda\u304c\u4ed8\u3044\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u306e\u4ea4\u5dee\u56de\u907f\uff1a<\/strong>\n<ul>\n<li>\u4ea4\u5dee\u3059\u308b\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u3092\u7279\u5b9a\u3057\u3001\u4ea4\u5dee\u3092\u9632\u3050\u305f\u3081\u306b\u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u307e\u305f\u306f\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u3092\u8907\u88fd\u3059\u308b\u3053\u3068\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n<p>\u4f8b\uff1a\u300c\u9867\u5ba2\u30c7\u30fc\u30bf\u300d\u3068\u300c\u6ce8\u6587\u8a73\u7d30\u300d\u304c\u4ea4\u5dee\u3059\u308b\u5834\u5408\u3001\u5225\u3005\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u5c0e\u5165\u3059\u308b\u304b\u3001\u63a5\u7d9a\u3092\u6539\u5584\u3059\u308b\u3053\u3068\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/li>\n<\/ol>\n<h2><strong>\u56f3\u306e\u96c6\u5408\u306e\u691c\u8a3c<\/strong><\/h2>\n<ol>\n<li><strong>\u62e1\u5f35\u306e\u30d0\u30e9\u30f3\u30b9\uff1a<\/strong>\n<ul>\n<li>\u30d7\u30ed\u30bb\u30b9\u3092\u62e1\u5f35\u3057\u305f\u969b\u3001\u3059\u3079\u3066\u306e\u56f3\u304c\u30d0\u30e9\u30f3\u30b9\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u9ad8\u30ec\u30d9\u30eb\u306e\u5165\u529b\u3068\u51fa\u529b\u306f\u3001\u4f4e\u30ec\u30d9\u30eb\u306e\u305d\u308c\u3068\u4e00\u81f4\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u4f8b\uff1a\u30ec\u30d9\u30eb2\u306e\u56f3\u304c\u300c\u652f\u6255\u3044\u51e6\u7406\u300d\u3092\u62e1\u5f35\u3059\u308b\u5834\u5408\u3001\u30ec\u30d9\u30eb1\u306e\u56f3\u306b\u304a\u3051\u308b\u5bfe\u5fdc\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u306e\u5165\u529b\u3068\u51fa\u529b\u304c\u4e00\u81f4\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/li>\n<li><strong>\u4e00\u8cab\u3057\u305f\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u8868\u73fe\uff1a<\/strong>\n<ul>\n<li>\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u56f3\u3068\u30ec\u30d9\u30eb1\u56f3\u306e\u4e21\u65b9\u3067\u3001\u3059\u3079\u3066\u306e\u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u304c\u4e00\u8cab\u3057\u3066\u8868\u73fe\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n<p>\u4f8b\uff1a\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u56f3\u3067\u300c\u9867\u5ba2\u300d\u304c\u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3068\u3057\u3066\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u30ec\u30d9\u30eb1\u56f3\u306b\u3082\u540c\u3058\u3088\u3046\u306b\u8868\u793a\u3055\u308c\u308b\u3079\u304d\u3067\u3059\u3002<\/p>\n<\/li>\n<li><strong>\u6b63\u3057\u3044\u756a\u53f7\u4ed8\u3051\uff1a<\/strong>\n<ul>\n<li>\u3059\u3079\u3066\u306e\u30d7\u30ed\u30bb\u30b9\u304a\u3088\u3073\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u304c\u6b63\u3057\u304f\u756a\u53f7\u4ed8\u3051\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3001\u53c2\u7167\u3084\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u3092\u5bb9\u6613\u306b\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u4f8b\uff1a\u3042\u308b\u30d7\u30ed\u30bb\u30b9\u304c\u56f3\u306e\u4e00\u90e8\u3067\u300cP3\u300d\u3068\u756a\u53f7\u4ed8\u3051\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u5168\u4f53\u3092\u901a\u3057\u3066\u540c\u3058\u756a\u53f7\u3092\u7dad\u6301\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h1 class=\"template-page-title-h1\">\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u56f3\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8<\/h1>\n<p class=\"template-page-description\">\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u306a<a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/data-flow-diagram\/\">\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u56f3\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8<\/a>\u306b\u3088\u308b<a href=\"http:\/\/online.visual-paradigm.com\">Visual Paradigm<\/a>:<\/p>\n<p id=\"hQVZpuX\"><img fetchpriority=\"high\" alt=\"\" class=\"alignnone size-full wp-image-2779\" decoding=\"async\" fetchpriority=\"high\" height=\"626\" src=\"https:\/\/guides.visual-paradigm.com\/wp-content\/uploads\/2023\/10\/img_6526067c0a259.png\" width=\"1653\"\/><\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>DFD\u306f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30a8\u30f3\u30b8\u30cb\u30a2\u3068\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u9593\u306e\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5411\u4e0a\u3055\u305b\u308b\u4e00\u65b9\u3067\u3001\u305d\u306e\u52b9\u679c\u306f\u7d30\u5fc3\u306e\u691c\u8a3c\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002\u56f3\u304c\u9032\u5316\u3059\u308b\u306b\u3064\u308c\u3066\u3001\u660e\u78ba\u3055\u3092\u7dad\u6301\u3057\u3001\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u65ad\u7d76\u3092\u9632\u3050\u305f\u3081\u306b\u5b9a\u671f\u7684\u306a\u30ec\u30d3\u30e5\u30fc\u3068\u518d\u7de8\u6210\u304c\u4e0d\u53ef\u6b20\u306b\u306a\u308a\u307e\u3059\u3002\u660e\u78ba\u3067\u9069\u5207\u306b\u691c\u8a3c\u3055\u308c\u305f\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u30fb\u30e2\u30c7\u30eb\u306f\u3001\u6280\u8853\u7684\u306a\u6b63\u78ba\u6027\u3092\u4fdd\u8a3c\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u304a\u3051\u308b\u5168\u4f53\u7684\u306a\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u30d7\u30ed\u30bb\u30b9\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u306f\u3058\u3081\u306b 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