{"type":"rich","version":1.0,"provider_name":"Speaker Deck","provider_url":"https://speakerdeck.com/","title":"[ICML'26] Credit-assigned Policy Gradient for Early Stage Retrieval in Two-stage Ranking","author_name":"Haruka Kiyohara","author_url":"https://speakerdeck.com/harukakiyohara_","html":"\u003ciframe id=\"talk_frame_1557834\" class=\"speakerdeck-iframe\" src=\"https://speakerdeck.com/player/825521f4bbd2448c8a9ae0aed9df3365\" width=\"710\" height=\"399\" style=\"aspect-ratio:710/399; border:0; padding:0; margin:0; background:transparent;\" frameborder=\"0\" allowtransparency=\"true\" allowfullscreen=\"allowfullscreen\"\u003e\u003c/iframe\u003e\n","width":710,"height":399,"ratio":1.7777777777777777}