In the search for achieving Sustainable Development Goals (SDGs), two approaches are integral: local community-based and multi-stakeholder participation partnership. Education (ESD), which is addressed in Target 4.7, at heart of these to attract diverse stakeholders efforts community level. The share their experiences knowledge create a new sustainability. Therein, tension conflict that they ma...

The Relational Data Model and Relational Calculus are extended with Unification and non-recursive Horn Clauses from Logic. The benefits gained include better versatility and a richer functionality for expressing complex Jack, deductive queries and rule-based inJerences. Applications include semantic data models for Databases, frames for Knowledge-based systems, and Complex Objects for CAD. An E...