The following publications are possibly variants of this publication:
- Monitoring eBay auctions by querying RDF streamsSven Groppe, Jinghua Groppe, Stefan Werner, Matthias Samsel, Florian Kalis, Kristina Fell, Peter Kliesch, Markus Nakhlah. icdim 2011: 223-228 [doi]
- Using an index of precomputed joins in order to speed up SPARQL processingSven Groppe, Jinghua Groppe, Volker Linnemann. ICEIS 2007: 13-20
- Optimization of SPARQL by using coreSPARQLJinghua Groppe, Sven Groppe, Jan Kolbaum. ICEIS 2009: 107-112