Research Article
Improving ELM-Based Service Quality Prediction by Concise Feature Extraction
Table 1
Composite QoS status information.
| A | Composite QoS | Description |
| | | Server unavailable, runtime delay |
| | | Server available intermittently, runtime delay |
| | | Server available, runtime delay |
| | | Server available intermittently, normal execution |
| | | Server available, normal execution |
| | | Server unavailable, normal execution |
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