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Table 2 The query execution time of Examples 1-1, 2-1, 3-1, and 4-1. The queries were executed 10 times each at https://knowledge.brc.riken.jp/sparql

From: Federated SPARQL query performance evaluation for exploring disease model mouse: combining gene expression, orthology, and disease knowledge graphs

Query approach

Mean of runtime

No. of retrieved mice

No. of retrieved genes (disease related genes)

Example 1-1: Federated query for AD

> 600 s

55

14

Example 2-1: Centralized query for AD

307 s

55

14

Example 3-1: Federated query for melanoma

> 600 s

102

14

Example 4-1: Centralized query for melanoma

502 s

102

14

  1. Values in bold indicate the shortest mean runtime for each disease context