Open Government Data: A European Perspective - Information and Communication Technologies in Public Administration - page 18

100%

80%

60%

40%

20%

0%

Image Text Video Audio

Figure 1.8 Visualization.

17%

39% Form

E-mail
Phone

44%

Figure 1.9 Feedback.

reusable metadata (see Figure 1.10). Among the countries that do not have metadata,
the cases of Finland and Ireland are striking (see Figure 1.2), as their results are poor
not only in the semantic analysis but also, in general, in all the aspects considered. On
the other hand, the overall level of open data can be considered acceptable, with 53% of
the OGD portals meeting the highest levels of the classification used (the Berners-Lee
Five Stars of Linked Data, reduced to four stars) (see Figure 1.11), whereas Ireland and
Finland present the lowest levels (see Figure 1.2).

Metadata
ignorance
27%

Reusable
metadata
100%

Metadata
73%

Figure 1.10 Metadata level.