Stem mls$ (all stems)
2 papers:
SIGMOD-1999-Jamil #database #deduction #reasoning- Belief Reasoning in MLS Deductive Databases (HMJ), pp. 109–120.
VLDB-1992-SmithW #modelling #relational- Entity Modeling in the MLS Relational Model (KPS, MW), pp. 199–210.










