QLever

QLever
Original author(s)Hannah Bast, Björn Buchhold, Johannes Kalmbach, et al.
Initial release2017 (2017)
Repositorygithub.com/ad-freiburg/qlever
Written inC++
Standard(s)SPARQL
Available inEnglish
TypeGraph database
LicenseApache License
Websiteqlever.cs.uni-freiburg.de

QLever (pronounced /ˈklɛvər/ KLEH-ver, as in "clever") is an open-source triplestore and graph database developed by a team at the University of Freiburg led by Hannah Bast. QLever performs high-performance queries of semantic Web knowledge bases, including full-text search within text corpuses. A specialized user interface for QLever predictively autocompletes SPARQL queries.