{"action":"created","issue":{"url":"https://api.github.com/repos/saireya/information-and-system/issues/6","repository_url":"https://api.github.com/repos/saireya/information-and-system","labels_url":"https://api.github.com/repos/saireya/information-and-system/issues/6/labels{/name}","comments_url":"https://api.github.com/repos/saireya/information-and-system/issues/6/comments","events_url":"https://api.github.com/repos/saireya/information-and-system/issues/6/events","html_url":"https://github.com/saireya/information-and-system/issues/6","id":196688194,"number":6,"title":"階層化・問題分割・分類","user":{"login":"saireya","id":18213094,"avatar_url":"https://avatars3.githubusercontent.com/u/18213094?v=4","gravatar_id":"","url":"https://api.github.com/users/saireya","html_url":"https://github.com/saireya","followers_url":"https://api.github.com/users/saireya/followers","following_url":"https://api.github.com/users/saireya/following{/other_user}","gists_url":"https://api.github.com/users/saireya/gists{/gist_id}","starred_url":"https://api.github.com/users/saireya/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/saireya/subscriptions","organizations_url":"https://api.github.com/users/saireya/orgs","repos_url":"https://api.github.com/users/saireya/repos","events_url":"https://api.github.com/users/saireya/events{/privacy}","received_events_url":"https://api.github.com/users/saireya/received_events","type":"User","site_admin":false},"labels":[{"id":388123262,"url":"https://api.github.com/repos/saireya/information-and-system/labels/enhancement","name":"enhancement","color":"84b6eb","default":true}],"state":"open","locked":false,"assignee":{"login":"saireya","id":18213094,"avatar_url":"https://avatars3.githubusercontent.com/u/18213094?v=4","gravatar_id":"","url":"https://api.github.com/users/saireya","html_url":"https://github.com/saireya","followers_url":"https://api.github.com/users/saireya/followers","following_url":"https://api.github.com/users/saireya/following{/other_user}","gists_url":"https://api.github.com/users/saireya/gists{/gist_id}","starred_url":"https://api.github.com/users/saireya/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/saireya/subscriptions","organizations_url":"https://api.github.com/users/saireya/orgs","repos_url":"https://api.github.com/users/saireya/repos","events_url":"https://api.github.com/users/saireya/events{/privacy}","received_events_url":"https://api.github.com/users/saireya/received_events","type":"User","site_admin":false},"assignees":[{"login":"saireya","id":18213094,"avatar_url":"https://avatars3.githubusercontent.com/u/18213094?v=4","gravatar_id":"","url":"https://api.github.com/users/saireya","html_url":"https://github.com/saireya","followers_url":"https://api.github.com/users/saireya/followers","following_url":"https://api.github.com/users/saireya/following{/other_user}","gists_url":"https://api.github.com/users/saireya/gists{/gist_id}","starred_url":"https://api.github.com/users/saireya/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/saireya/subscriptions","organizations_url":"https://api.github.com/users/saireya/orgs","repos_url":"https://api.github.com/users/saireya/repos","events_url":"https://api.github.com/users/saireya/events{/privacy}","received_events_url":"https://api.github.com/users/saireya/received_events","type":"User","site_admin":false}],"milestone":null,"comments":7,"created_at":"2016-12-20T14:37:58Z","updated_at":"2018-04-01T00:44:35Z","closed_at":null,"author_association":"OWNER","body":"階層の記述(cf. Simon『システムの科学』)を追加"},"comment":{"url":"https://api.github.com/repos/saireya/information-and-system/issues/comments/377734029","html_url":"https://github.com/saireya/information-and-system/issues/6#issuecomment-377734029","issue_url":"https://api.github.com/repos/saireya/information-and-system/issues/6","id":377734029,"user":{"login":"saireya","id":18213094,"avatar_url":"https://avatars3.githubusercontent.com/u/18213094?v=4","gravatar_id":"","url":"https://api.github.com/users/saireya","html_url":"https://github.com/saireya","followers_url":"https://api.github.com/users/saireya/followers","following_url":"https://api.github.com/users/saireya/following{/other_user}","gists_url":"https://api.github.com/users/saireya/gists{/gist_id}","starred_url":"https://api.github.com/users/saireya/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/saireya/subscriptions","organizations_url":"https://api.github.com/users/saireya/orgs","repos_url":"https://api.github.com/users/saireya/repos","events_url":"https://api.github.com/users/saireya/events{/privacy}","received_events_url":"https://api.github.com/users/saireya/received_events","type":"User","site_admin":false},"created_at":"2018-04-01T00:44:34Z","updated_at":"2018-04-01T00:44:34Z","author_association":"OWNER","body":"問題分割の部分を saireya/information-and-system#37 から移動!\r\n\r\n- 階層化の必要性(背景)\r\n\t- 「大きな」問題: 不明瞭で、実際の操作に還元されていないので、取り組みにくい\r\n\t- ⇒「小さな」問題に分解することで、実行すべき事柄が明瞭に\r\n\t- (「大きい」「小さい」を明瞭さで定義する)\r\n- 階層化(分類)の目的/利点/欠点\r\n\t- 問題分割の意義: 解決可能な問題の集合に帰着することで、問題解決を漸進的に進捗させる\r\n\t- 還元主義(総和的=階層化可能=分割統治可能)とも関連付ける\r\n\t- 分割統治法(divide-and-conquer)\r\n- 階層化の例: WBS(Work Breakdown Structure), CBS, PBS, OBS(組織図)\r\n- 階層の形成/システムの独立: 準分割可能(subsystem) → 分割可能 → 分割\r\n- 探索: 深さ優先,幅優先 (→垂直思考・水平思考との関連性)\r\n- chunk(知識の階層化)"}}
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