作者位次 #6/7SIGIR 2026Oral· Information Retrieval (Full)
Cohesive Group Discovery in Interaction Graphs under Explicit Density Constraints
Yu Zhang · Yilong Luo · Mingyuan Ma · Yao Chen · Enqiang Zhu · Jin Xu · Chanjuan Liu
摘要
Discovering cohesive groups is a fundamental primitive in graph-based recommender systems, underpinning tasks such as social recommendation, bundle discovery, and community-aware modeling. In interaction graphs, cohesion is often modeled as the γ-quasi-clique, an induced subgraph whose internal e...