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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).