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Table 6 Accuracy of the results retrieved by CISS and the 3 other approaches in English

From: Surveillance for the prevention of chronic diseases through information association

  Google Google scholar PubMed CISS
% queries at whichthe search engineachieved the bestresults ((+) and (+/-)) 20% 40% 0% 40%
Accuracy (precision) 0.12 0.32 0.10 0.90