[[["わかりやすい","easyToUnderstand","thumb-up"],["問題の解決に役立った","solvedMyProblem","thumb-up"],["その他","otherUp","thumb-up"]],[["必要な情報がない","missingTheInformationINeed","thumb-down"],["複雑すぎる / 手順が多すぎる","tooComplicatedTooManySteps","thumb-down"],["最新ではない","outOfDate","thumb-down"],["翻訳に関する問題","translationIssue","thumb-down"],["サンプル / コードに問題がある","samplesCodeIssue","thumb-down"],["その他","otherDown","thumb-down"]],[],[[["Google's AI-based system, SpamBrain, significantly reduced spam in search results in 2021, identifying nearly six times more spam sites than in 2020."],["Google launched updates to combat link spam, scams, and online harassment, resulting in a 40% reduction in scammy results and improved protection for users."],["Efforts were made to improve the ranking of product review queries by reducing low-quality reviews and promoting genuine, hands-on reviews with expertise."],["Google is actively working to reduce manipulative behaviors that degrade user experience, even if they don't directly violate quality guidelines."],["Users are encouraged to provide feedback on manipulative behaviors encountered in search results to help Google further enhance search quality."]]],["In 2021, Google's SpamBrain, an AI-based system, significantly improved spam detection, identifying six times more spam sites than in 2020, leading to a 70% decrease in hacked spam and a 75% reduction in gibberish spam. Google also launched a link spam update, reduced scammy results by 40%, and expanded SpamBrain to combat online harassment. They refined product review ranking to promote genuine expertise, and reduced low quality content. They encourage users to send feedback on manipulative search results.\n"]]
