From: An empirical study on the evaluation of the RDF storage systems
Characteristic | Q1 | Q2 | Q3 | Q4 | Q5 | Q6 | Q7 | Q8 | Q9 | Q10 | Q11 | Q12 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Simple query | × | – | – | – | – | – | – | × | – | × | – | – |
filters | – | × | – | – | × |  | – | – | – | – | × | – |
More than 6 patterns | – | – | × | – | × | × | – | – | × | – | – | × |
Optional operator | – | – | × | – | – | – | – | – | – | – | – | – |
Limit modifier | – | – | – | – | – | – | – | × | – | – | – | – |
Offset modifier | – | – | – | – | – | – | – | × | – | – | – | – |
Union operator | – | – | – | – | – | × | – | – | × | – | × | – |
Distinct operator | – | – | – | × | × | – | × | – | × | – | × | × |
Order by | – | – | × | – | – | – | – | – | – | – | – | – |
And operator | × | × | × | × | × | × | × | × | × | – | × | × |
Or operator | – | × | – | – | – | – | – | – | – | – | – | – |
Type of query | SQ | SQ | SQ | SQ | TQ | ST | TQ | – | TQ | – | CQ | CQ |