一作SIGIR 2026Oral· Information Retrieval (Industry)
CS3: Efficient Online Capability Synergy for Two-Tower Recommendation
Lixiang Wang · Shaoyun Shi · Peng Wang · Wenjin Wu · Peng Jiang
摘要
To balance effectiveness and efficiency in recommender systems, multi-stage pipelines commonly use lightweight two-tower models for large-scale candidate retrieval. However, the isolated two-tower architecture restricts representation capacity, embedding-space alignment, and cross-feature interac...