A two-tier index architecture for fast processing large RDF data over distributed memoryLong ChengSpyros Kotoulaset al.2014HT 2014
Efficiently handling skew in outer joins on distributed systemsLong ChengSpyros Kotoulaset al.2014CCGrid 2014
QbDJ: A novel framework for handling skew in parallel join processing on distributed memoryLong ChengSpyros Kotoulaset al.2013HPCC/SmartCity/DSS 2013