DLF Fall Forum
Baltimore, October 25-27, 2004
11
Summary Results
•Object validity determined by JHOVE
–A small, but non trivial number of objects are not valid
•6,323 (1.4%) of all TIFF objects
•      937 (4%)     of all XML objects
•      101 (>1%)   of all JPEG objects
•TIFFs make up 40% of all DRS objects; XML, 2%; and JPEG, 35%
•Internal metadata extracted by JHOVE and testing for consistency with DRS metadata
–Significant numbers of inconsistencies
–Some systemic errors
TIFF 40% of all objects
XML 2%
JPEG 35%