representation_system (287B)
1 # Representation system 2 3 A way to represent *uncertain data*: you have [representations], and each representation is a concise representation of a set of [possible_worlds]. For instance: 4 5 - [NULLs] 6 - [v_tables] 7 - [c_tables] 8 9 Presented in [imielinski1984incomplete] 10 11 Up: [uncertain_data]