Research Article
Assessment of Fog Enabled Sensor Cloud Platform for Smart Logistics Park
Table 1
Policies of data fusion from PSs to SIs.
| Policy | Definition | Relation |
| Singular | si ⟶ pi | One PS to one SI | Selector | si ⟶ {pi|pi ∈ b} | A bundle of homogenous PSs to one SI | Accumulator | si ⟶ b | A bundle of heterogeneous PSs to one SI | Aggregator | si ⟶ h (b) | A bundle of PSs to one SI | Qualifier | si ⟶ {pi|pi ∈ b ⟶ f (pi)} | A bundle of PSs to one SI | Context qualifier | si ⟶ {pi|pi ∈ b ⟶ f (pi, b)} | A bundle of PSs to one SI |
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