Today Databases are Deterministic. An item belongs to the database is a probabilistic event, or a tuple is
an answer to the query is a probabilistic event and it can be extended to all data models. Here we will
discuss probabilistic relational data. Probabilistic relational Data are defined in two ways, Database is
deterministic and Query answers are probabilistic or Database is probabilistic and Query answers are
Probabilistic relational databases have been studied from the late 80's until today. But today Application
Need to manage imprecision's in data. Imprecision can be of many types: non-matching data values,
imprecise queries, inconsistent data, misaligned schemas, etc.
Category: Artificial Intelligence