TSSR-Beta: Enhancing Billion-Scale E-Commerce Semantic Retrieval via Representation-Level Interaction
TSSR-Beta (Taobao Search Semantic Retrieval Model - Beta), which improves the expressiveness of the production Dual-Encoder TSSR through a plug-in similarity module, termed the Hybrid Interaction Head, which introduces fine-grained matching in the representation space through two complementary pathways.