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. 2011 Jun 29;6(6):e21101. doi: 10.1371/journal.pone.0021101

Table 9. Metadata standards.

Responses Percent
No metadata standard 676 56.1%
Metadata Standardized Within My Lab 266 22.1%
International Standards Organization 97 8.0%
Open GIS 96 8.0%
Ecological Metadata Language 95 7.9%
Federal Geographic Data Committee 95 7.9%
Other Metadata 82 6.8%
Dublin Core 26 2.2%
Darwin Core 21 1.7%
Directory Interchange Format 12 1.0%