Googleは、どうやって検索結果の品質をチェックしているのか? GoogleのDirector of Research、Peter Norvig氏が、Technology Reviewのインタビューの中で、回答しました。 We test it in lots of ways. At the grossest level, we track what users are clicking on. If they click on the number-one result, and then they’re done, that probably means they got what they wanted. If they’re scrolling down, page after page, and reformulating the query, then we know the