w (segment
definition)
Central
version
Long or
design
transaction
w (segment
| (eem
Ww
:
(oo Checkpoint
: 0, '
Ses w
merge x ()
i"
=
A
Checkpoint
e 2
w
version
Figure 2: Versioning and Long Transaction Support
960
International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B4. Vienna 1996