added queries from the DBpedia benchmark (#51)
added description about required benchmark data (#51)
added benchmark data too ignore list (the file is too big to be included in the repository) (#51)
added benchmark stub (#51)
implemented data loading (not tested yet) (#51)
added deletion of dbpedia graph on benchmark start (#51)
added test for buffer behavior in case of error (#51)
improved buffer behavior in case of error (#51)
fixed literal encoding: the escape character itself must be escaped, too (#51)
encoded special characters to avoid problems with UTF-8 (#51)
(temporarily) activated full data loading (#51)
changed call order, otherwise escape sequences will be escaped, too (#51)
activated benchmark for Virtuoso (#51)
display error instead of aborting; this should give a full picture of the problematic triples (#51)
used query labels as key to simplify access (#51)
implemented variable assignment extraction (#51)
changed some queries: there are no results for the original ones (#51)
added methods for the benchmarked queries (#51)
added code to execute the queries (#51)
added error handling (#51)