2 papers
cs.IR2025
RankGraph: Unified Heterogeneous Graph Learning for Cross-Domain Recommendation
Renzhi Wu, Junjie Yang, Li Chen +3
Cross-domain recommendation systems face the challenge of integrating fine-grained user and item relationships across various product domains. To address this, we introduce RankGra…
cs.DS2025
Accelerated Approximate Optimization of Multi-Commodity Flows on Directed Graphs
Li Chen, Andrei Graur, Aaron Sidford
We provide -time algorithms for computing multiplicative -approximate solutions to multi-commodity flow problems with -commodities on -edge dire…