2 citations · 2 across the 1 of their papers we have counts for
2 papers
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.DB2016
Expressivity and Complexity of MongoDB (Extended Version)
Elena Botoeva, Diego Calvanese, Benjamin Cogrel +1
A significant number of novel database architectures and data models have been proposed during the last decade. While some of these new systems have gained in popularity, they lack…