format,query,projected wall time,flag CSV,q1,0.06 s,OK CSV,q2,7.1 min,OK CSV,q3,73.5 min,IMPRACTICAL CSV,q4,44.1 min,OK CSV,q5,69.6 min,IMPRACTICAL CSV,q6,14.5 min,OK CSV,q7,81.6 min,IMPRACTICAL JSON-LD,q1,0.11 s,OK JSON-LD,q2,92.0 min,IMPRACTICAL JSON-LD,q3,11.0 h,IMPRACTICAL JSON-LD,q4,11.0 h,IMPRACTICAL JSON-LD,q5,11.0 h,IMPRACTICAL JSON-LD,q6,10.9 h,IMPRACTICAL JSON-LD,q7,11.2 h,IMPRACTICAL SQLite,q1,0.06 s,OK SQLite,q2,1.27 s,OK SQLite,q3,5.7 min,OK SQLite,q4,0.06 s,OK SQLite,q5,47.5 min,OK SQLite,q6,5.18 s,OK SQLite,q7,43.7 min,OK PostgreSQL,q1,0.22 s,OK PostgreSQL,q2,0.22 s,OK PostgreSQL,q3,3.42 s,OK PostgreSQL,q4,11 s,OK PostgreSQL,q5,3.7 min,OK PostgreSQL,q6,4.06 s,OK PostgreSQL,q7,115 s,OK RDF triplestore,q1,0.11 s,OK RDF triplestore,q2,3.0 h,IMPRACTICAL RDF triplestore,q3,2.1 d,FAIL RDF triplestore,q4,22.1 h,IMPRACTICAL RDF triplestore,q5,2.8 d,FAIL RDF triplestore,q6,5.9 min,OK RDF triplestore,q7,45.3 h,FAIL