Shaohua Li

Generative Topic Embedding: a Continuous Representation of Documents

2016

Word embedding maps words into a lowdimensional continuous embedding space by exploiting the local word collocation patterns in a small context window. On the other hand, topic modeling maps documents onto a low-dimensional topic space, …

BiFlowRec: Bidirectional Rectified Flow for LLM-Conditional Generative Recommendation

2026 · IEEE Access

Generative recommendation models user preferences over the entire item set. With the rapid advances of large language models (LLMs), an emerging challenge is how to let LLM semanticsdirectly shapethis generative process rather than merely serving …