This research is being sponsored by National Science Foundation CAREER Award IIS-9876037 and Research Infrastructure program EIA-0080123.
Real-world:
Shakespeare's Plays: 327K(22) elements, 0(0) attributes
SIGMOD Record: 839K(47) elements, 4775(3) attributes
Synthetic: Using XML generator (IBM)
NITF (News Industry Text Format) as a DTD
NITF100: 63K(124) elements, 263K(142) attributes
NITF1: 38K(86) elements, 171K(106) attributes