Applying OLAP Pre-Aggregation Techniques to ... - Jacobs University
Applying OLAP Pre-Aggregation Techniques to ... - Jacobs University
Applying OLAP Pre-Aggregation Techniques to ... - Jacobs University
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92 5. <strong>Pre</strong>-<strong>Aggregation</strong> Support Beyond Basic Aggregate Operations<br />
(a) Selected queries for pre-aggregation by image pyramids<br />
(b) Selected queries for pre-aggregation by our pre-aggregation selection algorithm<br />
Figure 5.8. Selected Queries for <strong>Pre</strong>-<strong>Aggregation</strong>