Table 6 Comparison of query response time (ms) metric of the proposed and existing methods on 12 queries
From: An empirical study on the evaluation of the RDF storage systems
Queries | RDFSPO | RDFVP | RDFPC | TDB | SDB | RDF4JM | RDF4JD |
|---|---|---|---|---|---|---|---|
Q1 | 820.4 (7) | 128.5 (1) | 130.45 (3) | 360.2 (5) | 400.6 (6) | 138.2 (4) | 130.4 (2) |
Q2 | 835.66 (7) | 133.9 (1) | 140.2 (3) | 368.6 (5) | 457.8 (6) | 145.2 (4) | 135.8 (2) |
Q3 | 831.33 (7) | 130.4 (1) | 137.8 (3) | 367 (5) | 452.6 (6) | 143.2 (4) | 134.2 (2) |
Q4 | 836.2 (7) | 131.4 (1) | 135.6 (2) | 352.4 (5) | 469.33 (6) | 147.8 (4) | 136 (3) |
Q5 | 847.6 (7) | 135.5 (1) | 138.47 (2) | 362 (5) | 480.5 (6) | 154.8 (4) | 138.8 (3) |
Q6 | 833.77 (7) | 129.4 (1) | 133.22 (3) | 357 (5) | 423 (6) | 146.8 (4) | 131.6 (2) |
Q7 | 828.21 (7) | 118 (1) | 125.56 (2) | 358.4 (5) | 460.21 (6) | 148.8 (4) | 128.6 (3) |
Q8 | 890.31 (7) | 128.34 (1) | 136.6 (3) | 356 (5) | 443.5 (6) | 147 (4) | 131.2 (2) |
Q9 | 895.34 (7) | 133.3 (1) | 135.22 (2) | 363 (5) | 476 (6) | 155.6 (4) | 137.4 (3) |
Q10 | 822.2 (7) | 124.76 (1) | 129.5 (2) | 369.6 (5) | 460.43 (6) | 145.6 (4) | 134.6 (3) |
Q11 | 860,8 (7) | 129,4 (1) | 137,2 (3) | 361,5 (5) | 448,1 (6) | 145,1 (4) | 132,7 (2) |
Q12 | 828,0 (7) | 127,1 (1) | 131,4 (2) | 363,3 (5) | 441,7 (6) | 146,2 (4) | 133,1 (3) |
Average rank | (7.00) | (1.00) | (2.50) | (5.00) | (6.00) | (4.00) | (2.50) |