LMs: - now also supports setting a background collection - correction: second term was missing (1.0 - lambda) factor - cleanups
LMs:
- now also supports setting a background collection
- correction: second term was missing (1.0 - lambda) factor
- cleanups

zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb