Research Article
Efficient ELM-Based Two Stages Query Processing Optimization for Big Data
Table 3
Classifications of E2E and ELM_CMR.
| | Query | top- | NN | skyline | join |
| | Data (G) | 2 | 4 | 8 | 16 | 2 | 4 | 8 | 16 | 0.2 | 0.4 | 0.8 | 1.6 | 5 | 10 | 15 | 20 | | E2E | HCS-0.5 | HCS-0.5 | PreOS | PreOS | ECS | HCS-0.5 | PreOS | PreOS | HCS-0.5 | HCS-0.5 | PostOS | PostOS | ECS | ECS | ECS | PreOS | | ELM_CMR | ECS | ECS | HCS-1 | HCS-0.5 | HCS-0.5 | HCS-1 | HCS-2 | HCS-2 | ECS | HCS-1 | HCS-2 | HCS-2 | MR | HCS-1 | HCS-2 | HCS-2 |
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