Natural Language Restatement of Queries Expressed in a Graphical Language

Various works have been proposed to simplify the interaction between casual users and databases. Too powerful tools, however, can cause the user to lose control of the many operations performed. A natural language restatement of the query has seemed the best way to assure the user about the accuracy of the formulation of his/her intents. The result of this work has been the individuation of general criteria to obtain natural languages restatements from a single query expressed in a graphical language on Entity-Relationship schemas.