R2DF framework for ranked path queries over weighted RDF graphs. - Juan P. Cedeño; K. Selçuk Candan (WIMS, 2011)

R2DB: A System for Querying and Visualizing Weighted RDF Graphs. - Songling Liu; Juan P. Cedeño; K. Selçuk Candan; Maria Luisa Sapino; Shengyu Huang; Xinsheng Li (ICDE, 2012)