Describes a model that displays structures necessary to map between the conceptual and external levels in database management systems, using an algorithm that maps the syntactic representations of tuples onto semantic representations. A technique for translating tuples into natural language sentences is introduced, and a system implemented in…

Analysis of the conversations of 6 children (mean age 11 years) with semantic-pragmatic disorder found they were more likely to produce initiating utterances (rather than acknowledging or responding utterances) with both familiar and unfamiliar partners than other children of similar age or ability. Subjects did not produce more utterances or…