Automatically create weight analytic view for each variable.
Sequential weight and variable ID fix.
New sampler.
new sampler
Prefix internal tables with "dd"
Fix bug in PG data store.
Write to different output dir for each run.
Allow users to specify output directory.
Don't drop view that has things depending on it.
Fix race condition.
Fix race condition. TODO: Parallelize
Nicer weights.
Use parallel collections. Better logging.
Remove debugging statement.
Fix bug in weight value generation.
Working on new grounding.
Ground factor graph using pure sql
Support for multinomial
Add HSQLDB support
changes for HSQLDB compatibility