ハーバード大とMITなどが開発したMatrAIxは、83億体のAIエージェントを生成し、1290次元で世界の人々の行動を模擬。アンケート回答やカスタマー対応、ウェブ閲覧、アプリ操作が可能で、全体一致率は91.5%。400回の対照実験で10の行動属性と4環境を検証し、一致率は場面により変動することを確認した。....
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