a5sk4s (1) [Avatar] Offline
#1
heirarchy should be spelled hierarchy in table 1.1

Metadata is wrongly spelled Metaadata on page 25
jukka.zitting (6) [Avatar] Offline
#2
Re: Don't see an "Error and Corrections" thread
Thanks! I've corrected the typos in the book source.

The thread for corrections was added shortly after your post.