作者位次 #3/10SIGIR 2026Oral· Information Retrieval (Perspective)
Rethinking Semantic–Collaborative Integration: Why Alignment Is Not Enough
Maolin WANG · Dongze Wu · Jianing Zhou · Hongyu Chen · Beining Bao · Yu Jiang · Chenbin Zhang · Chang Wang · Jian Liu · Lei Sha
摘要
Large language models (LLMs) have become an important semantic infrastructure for modern recommender systems. A prevailing paradigm integrates LLM-derived semantic embeddings with collaborative representations via representation alignment, implicitly assuming that the two views encode a shared la...