作者位次 #4/8SIGIR 2026Oral· Information Retrieval (Full)
Bi-Level Optimization for Generative Recommendation: Bridging Tokenization and Generation
Yimeng Bai · Chang Liu · Yang Zhang · Dingxian Wang · Frank Yang · Andrew Rabinovich · Wenge Rong · Fuli Feng
摘要
Generative recommendation is emerging as a transformative paradigm by directly generating recommended items, rather than relying on matching. Building such a system typically involves two key components: (1) optimizing the tokenizer to derive suitable item identifiers, and (2) training the recomm...