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AI systems integrating natural language processing with database management can unlock significant value by enabling users to query custom data sources using natural language. Current methods like ...

A group-select operation has been defined for relational algebra. This operation is found to be useful for efficiently reducing expressions of nonprocedural relational languages that permit natural ...

Bmg is a relational algebra implemented as a Ruby library. It implements the Relation as First-Class Citizen paradigm contributed with Alf a few years ago. Bmg can be used to query relations in memory ...

Instead of defining query operations using mathematical notation (the approach commonly taken in database textbooks), students write query programs as sequences of relational algebra function calls.

Another problem is that current SQL database systems permit the creation of tables that can contain duplicate rows. The relational model is based on set theory, and a set cannot contain duplicate ...

The creators of SimSQL opted for the decidedly incremental approach. Can we make a very small set of changes to the relational model and RDBMS software to render them suitable for executing linear ...