3 citations · 9 across the 11 of their papers we have counts for
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cs.DB2018★ 2 cited
Efficient Handling of SPARQL OPTIONAL for OBDA (Extended Version)
Guohui Xiao, Roman Kontchakov, Benjamin Cogrel +2
OPTIONAL is a key feature in SPARQL for dealing with missing information. While this operator is used extensively, it is also known for its complexity, which can make efficient eva…
cs.AI2018
BigSR: an empirical study of real-time expressive RDF stream reasoning on modern Big Data platforms
Xiangnan Ren, Olivier Curé, Hubert Naacke +1
The trade-off between language expressiveness and system scalability (E&S) is a well-known problem in RDF stream reasoning. Higher expressiveness supports more complex reasoning lo…