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Table 1 Load and query performance. Load and query times for the operations used. The compute environment used an Intel Core 2 Quad @ 2.40 GHz and 4 GB of memory. The repository was single-threaded.

From: Semantic web data warehousing for caGrid

Stage

Data Size (Entities)

Data Size (Statements)

Processing Time (s)

Loading Ontologies

57,526

88,654

473

Loading Data

14.003

607,532

910

Query

-

-

3.24