Encapsulates the interfaces to various knowledge sources (e.g., conceptual graphs or repertory grids).
An abstraction of the ubiquitous concept-relation-concept triple that often deserves its own manipulations.
Manages the interface between CRAFT and the conceptual graphs of CharGer.
A set of graph objects that form a coreference set.
Implements a CG knowledge base consisting of a concept hierarchy, a relation hierarchy, and a marker set.
Used for organizing the various sources of knowledge used by CharGer and Craft.
Represents the provenance and subsequent transformations of a given object.
A single event to be recorded in an object's history.
Which concepts are to be included in the relation table.
Identifies the type of object history event.