{"id":8228,"date":"2022-01-26T01:33:20","date_gmt":"2022-01-26T01:33:20","guid":{"rendered":"https:\/\/www.cybermedian.com\/ja\/?p=8228"},"modified":"2026-04-20T09:13:19","modified_gmt":"2026-04-20T09:13:19","slug":"%e3%83%a6%e3%83%bc%e3%82%b9%e3%82%b1%e3%83%bc%e3%82%b9%e5%88%86%e6%9e%90-%e3%82%b1%e3%83%bc%e3%82%b9%e3%82%b9%e3%82%bf%e3%83%87%e3%82%a3","status":"publish","type":"post","link":"https:\/\/www.cybermedian.com\/ja\/use-case-analysis-a-case-study\/","title":{"rendered":"\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u5206\u6790\u2014\u30b1\u30fc\u30b9\u30b9\u30bf\u30c7\u30a3"},"content":{"rendered":"<h3 id=\"8a36\" class=\"graf graf--h3 graf-after--h3\"><span id=\"What_are_use_cases\">\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/span><\/h3>\n<p id=\"eef2\" class=\"graf graf--p graf-after--h3\"><a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-use-case-diagram\/\" 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graf-after--p\">\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306e\u7cbe\u5ea6\u3092\u5358\u7d14\u306a\u3082\u306e\u304b\u3089\u8907\u96d1\u306a\u3082\u306e\u3078\u3068\u5f90\u3005\u306b\u9ad8\u3081\u3066\u3044\u304d\u307e\u3059\u3002\u9593\u9055\u3063\u305f\u30c7\u30b6\u30a4\u30f3\u3084\u8aac\u660e\u306b\u3042\u307e\u308a\u306b\u3082\u591a\u304f\u306e\u7cbe\u795e\u3092\u6295\u8cc7\u3057\u306a\u3044\u3088\u3046\u306b\u3001\u6700\u521d\u306f\u8907\u96d1\u306a\u8a73\u7d30\u306b\u3068\u3089\u308f\u308c\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u56f3\u306f\u3001\u5358\u7d14\u306a\u3082\u306e\u304b\u3089\u8907\u96d1\u306a\u3082\u306e\u306b\u79fb\u884c\u3057\u3001\u4e0d\u8981\u306a\u8aa4\u8b2c\u3092\u6e1b\u3089\u3059\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<figure id=\"eaa5\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2022\/01\/0sCrOVMqKvi_Yk8kA.png\" data-image-id=\"0*sCrOVMqKvi_Yk8kA.png\" data-width=\"678\" data-height=\"414\" data-is-featured=\"true\" \/><\/figure>\n<p id=\"adec\" class=\"graf graf--p graf-after--figure\">\u56f3\u304b\u3089\u308f\u304b\u308b\u3088\u3046\u306b\u3001\u672c\u30b7\u30b9\u30c6\u30e0\u306e\u8a2d\u8a08\u7bc4\u56f2\u306f\u300c\u30aa\u30f3\u30e9\u30a4\u30f3\u56f3\u66f8\u6ce8\u6587\u30b7\u30b9\u30c6\u30e0\u300d\u3001\u672c\u30b7\u30b9\u30c6\u30e0\u3092\u5229\u7528\u3059\u308b\u4e3b\u306a\u53c2\u52a0\u8005\u306e1\u4eba\u306f\u300c\u30aa\u30f3\u30e9\u30a4\u30f3\u9867\u5ba2\u300d\u3001\u672c\u30b7\u30b9\u30c6\u30e0\u3092\u5229\u7528\u3059\u308b\u53c2\u52a0\u8005\u306e\u76ee\u7684\u306f\u300c\u672c\u6ce8\u6587\u300d\u3067\u3059\u3002<\/p>\n<p id=\"d123\" class=\"graf graf--p 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data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-uml\/\">\u7d71\u4e00\u30e2\u30c7\u30ea\u30f3\u30b0\u8a00\u8a9e\uff09\u4ed5\u69d8\u304c\u3001\u4e3b\u8981\u306a\u6a19\u6e96\u4ed5\u69d8\u306e\u91cd\u8981\u306a\u90e8\u5206\u3068\u3057\u3066\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/a><\/p>\n<p id=\"1dd7\" class=\"graf graf--p graf-after--p\">\u3053\u308c\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u5927\u624b\u306b\u3088\u308b\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306e\u5b9a\u7fa9\u3067\u3059\u3002<\/p>\n<ul class=\"postList\">\n<li id=\"5955\" class=\"graf graf--li graf--startsWithDoubleQuote 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graf-after--li\">\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3067\u8aac\u660e\u3055\u308c\u3066\u3044\u308b\u30b7\u30ca\u30ea\u30aa\u306f\u3001\u30a2\u30af\u30bf\u30fc\u304c\u30b7\u30b9\u30c6\u30e0\u3068\u306e\u76f8\u4e92\u4f5c\u7528\u3068\u901a\u4fe1\u304b\u3089\u76ee\u6a19\uff08\u76ee\u6a19\uff09\u3092\u9054\u6210\uff08\u53d6\u5f97\uff09\u3059\u308b\u3053\u3068\u3092\u671f\u5f85\u3057\u3066\u3044\u308b\u3082\u306e\u3067\u3059\u3002<\/li>\n<li id=\"136f\" class=\"graf graf--li graf-after--li\">\u305f\u3068\u3048\u3070\u3001\u300c\u30a2\u30a4\u30c6\u30e0\u306e\u8cfc\u5165\u300d\u306f\u307e\u3055\u306b\u6d88\u8cbb\u8005\u306e\u6d88\u8cbb\u306e\u76ee\u7684\u3067\u3059\u3002<br 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graf-after--li\">\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306b\u306f\u3001\u901a\u5e38\u306e\u30b7\u30ca\u30ea\u30aa\u3068\u8907\u6570\u306e\u4f8b\u5916\u30b7\u30ca\u30ea\u30aa\u304c\u3042\u308a\u307e\u3059\u3002\u901a\u5e38\u306e\u30b7\u30ca\u30ea\u30aa\u306f\u3001\u53c2\u52a0\u8005\u3068\u30b7\u30b9\u30c6\u30e0\u9593\u306e\u76f8\u4e92\u4f5c\u7528\u306e\u901a\u5e38\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u8aac\u660e\u3057\u307e\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u3068\u306e\u5bfe\u8a71\u306e\u904e\u7a0b\u3067\u3001\u4f8b\u5916\u306e\u767a\u751f\u3092\u8003\u616e\u306b\u5165\u308c\u308b\u3068\u3001\u72b6\u6cc1\u306e\u8907\u96d1\u3055\u306b\u5fdc\u3058\u3066\u3001\u300c\u901a\u5e38\u306e\u30b7\u30ca\u30ea\u30aa\u306e\u4ee3\u66ff\u30d1\u30b9\u300d\u3067\u8aac\u660e\u3059\u308b\u3053\u3068\u3082\u3001\u5225\u306e\u30b7\u30ca\u30ea\u30aa\u3067\u8aac\u660e\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u8907\u96d1\u306a\u4f8b\u5916\u306e\u30b7\u30ca\u30ea\u30aa\u3002<\/li>\n<li id=\"a984\" class=\"graf graf--li graf-after--li\">\u30b7\u30b9\u30c6\u30e0\u306f\u53c2\u52a0\u8005\u3068\u5bfe\u8a71\u3059\u308b\u305f\u3081\u306e\u4e00\u9023\u306e\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u307e\u3059\u304c\u3001\u53c2\u52a0\u8005\u306f\u30b7\u30b9\u30c6\u30e0\u3067\u4f55\u304c\u8d77\u3053\u3063\u3066\u3044\u308b\u306e\u304b\u3001\u307e\u305f\u306f\u305d\u306e\u65b9\u6cd5\u3092\u77e5\u308b\u5fc5\u8981\u306f\u306a\u304f\u3001\u30b7\u30b9\u30c6\u30e0\u306f\u7d50\u679c\u3092\u53c2\u52a0\u8005\u306b\u9001\u308a\u8fd4\u3059\u3060\u3051\u3067\u6e08\u307f\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u53c2\u52a0\u8005\u306b\u3068\u3063\u3066\u3001\u30b7\u30b9\u30c6\u30e0\u306f\uff08\u307e\u305f\u306f\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306e\u30b0\u30eb\u30fc\u30d7\uff09\u30d6\u30e9\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u3067\u3059\u3002<\/li>\n<li id=\"af70\" class=\"graf graf--li graf-after--li\">\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306e\u8aac\u660e\u3067\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u304c\u4f55\u3092\u3059\u3079\u304d\u304b\uff08\u4f55\u3092\u3059\u3079\u304d\u304b\uff09\u3092\u5f37\u8abf\u3057\u3066\u304a\u308a\u3001\u305d\u308c\u3092\u3069\u306e\u3088\u3046\u306b\u884c\u3046\u304b\uff08\u3069\u306e\u3088\u3046\u306b\u884c\u3046\u304b\uff09\u3092\u5f37\u8abf\u3057\u3066\u3044\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u5b9f\u88c5\u306e\u8a73\u7d30\u3092\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306e\u8aac\u660e\u306b\u8a18\u8f09\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/li>\n<li id=\"31fe\" class=\"graf graf--li graf-after--li\">\u30a2\u30af\u30bf\u30fc\u306f\u76f4\u63a5\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u56f3\u3067\u306f\u3001\u30a2\u30af\u30bf\u30fc\u306f\u300c\u68d2\u4eba\u9593\u300d\u30a2\u30a4\u30b3\u30f3\u3068\u3057\u3066\u8868\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u53c2\u52a0\u8005\u306f\u5fc5\u305a\u3057\u3082\u5b9f\u5728\u306e\u4eba\u7269\u3067\u3042\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u53c2\u52a0\u8005\u306f\u5916\u90e8\u30b7\u30b9\u30c6\u30e0\u306e\u5834\u5408\u3082\u3042\u308a\u3001\u3053\u306e\u30b7\u30b9\u30c6\u30e0\u304b\u3089\u60c5\u5831\u3092\u53d6\u5f97\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3 id=\"edba\" class=\"graf graf--h3 graf-after--li\"><span id=\"Other_UML_Diagrams\">\u305d\u306e\u4ed6\u306eUML\u56f3<\/span><\/h3>\n<ul class=\"postList\">\n<li id=\"56f4\" class=\"graf graf--li graf-after--h3\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-class-diagram\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-class-diagram\/\">\u30af\u30e9\u30b9\u56f3\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/a><\/li>\n<li id=\"d242\" class=\"graf graf--li graf-after--li\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-component-diagram\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-component-diagram\/\">\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u56f3\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/a><\/li>\n<li id=\"84f7\" class=\"graf graf--li graf-after--li\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-deployment-diagram\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-deployment-diagram\/\">\u914d\u7f6e\u56f3\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/a><\/li>\n<li id=\"95e9\" class=\"graf graf--li graf-after--li\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-object-diagram\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-object-diagram\/\">\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/a><\/li>\n<li id=\"5d23\" class=\"graf graf--li graf-after--li\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-package-diagram\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-package-diagram\/\">\u30d1\u30c3\u30b1\u30fc\u30b8\u56f3\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/a><\/li>\n<li id=\"93d5\" class=\"graf graf--li graf-after--li\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-composite-structure-diagram\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-composite-structure-diagram\/\">\u8907\u5408\u69cb\u9020\u56f3\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/a><\/li>\n<li id=\"860a\" class=\"graf graf--li graf-after--li\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-profile-diagram\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-profile-diagram\/\">\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u56f3\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/a><\/li>\n<li id=\"c667\" class=\"graf graf--li graf-after--li\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-use-case-diagram\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-use-case-diagram\/\">\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u56f3\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/a><\/li>\n<li id=\"0fad\" class=\"graf graf--li graf-after--li\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-activity-diagram\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-activity-diagram\/\">\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/a><\/li>\n<li id=\"f882\" class=\"graf graf--li graf-after--li\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-state-machine-diagram\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-state-machine-diagram\/\">\u30b9\u30c6\u30fc\u30c8\u30de\u30b7\u30f3\u56f3\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/a><\/li>\n<li id=\"888e\" class=\"graf graf--li graf-after--li\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-sequence-diagram\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-sequence-diagram\/\">\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/a><\/li>\n<li id=\"da88\" class=\"graf graf--li graf-after--li\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-communication-diagram\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-communication-diagram\/\">\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u56f3\u3068\u306f\uff1f<\/a><\/li>\n<li id=\"da62\" class=\"graf graf--li graf-after--li\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-interaction-overview-diagram\/\" target=\"_blank\" rel=\"noopener\" 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