Hierarchical tags in other applications

Here’s how several programs serializes a photo tagged with “bear”, which is a child of a parent tag

1. Aperture

• Iptc.Application2.Keywords String 4 bear

• Xmp.dc.subject XmpBag 1 bear

2. F-Spot

• Xmp.dc.subject XmpBag 1 bear

3. Lightroom

• Iptc.Application2.Keywords String 4 animal
• Iptc.Application2.Keywords String 4 bear

• Xmp.lr.hierarchicalSubject XmpBag 1 animal|bear

• Xmp.dc.subject XmpBag 2 animal, bear

4. Windows Gallery

• Exif.Image.XPKeywords Byte 24 animal/bear

• Xmp.dc.subject XmpBag 1 animal/bear

• Xmp.MicrosoftPhoto.LastKeywordXMP XmpBag 1 animal/bear

5. DigiKam

• Iptc.Application2.Keywords String 4 animal
• Iptc.Application2.Keywords String 4 bear

• Xmp.dc.subject XmpBag 2 animal, bear

• Xmp.digiKam.TagsList XmpSeq 2 animal, animal/bear

• Xmp.lr.hierarchicalSubject XmpBag 2 animal, animal|bear