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Table 3 Usage Impact Factors for two datasets and two publishers relative to Denmark's UIF

From: Indicators for the Data Usage Index (DUI): an incentive for publishing primary biodiversity data through global information infrastructure

GBIF Units Record numberr(u) Download frequencyd(u) Absolute UIF Relative indexUIF to HUA Relative indexUIF to DK
AAU Herbarium databases 110,357 716,772 6.50 2.35 20.31
AAU PalmTransect databases 148,720 250,330 1.68 0.61 5.25
HUA provider 259,077 717,102 2.77 1.00 8.66
DanBIF, provider 4,995,544 854,761 0.17 - 0.53
Denmark 4,836,771 1,571,863 0.32 - 1.00
  1. Analysis period: July-December 2009 (GBIF Data Portal, 31 December 2009).