Axiom and ROM posts series

In the next several weeks I plan to publish a series of articles on Relational algebra, AXIOM and ROM topics.

The articles plan will be the following:

1. Relational Algebra and Brief Introduction to Axiom
2. High-level architecture(Axiom + ROM)
3. Axiom(implementation details)
4. ROM and Adapters
5. How-To(Sql, NoSql)