Example image of eyePlorer eyePlorer map for 'Frame language': Metalanguage Programming language Object-oriented programming Relation Frame (networking) Grammar Metaphor Artificial intelligence Data structure Knowledge representation Marvin Minsky Concept Schema (psychology) Class (computer science) Frame Technology (software engineering) Inference Inheritance Hierarchy Multiple inheritance Directed graph Matching Reasoning Spreading activation F-logic Ontology Inference Layer Ontology (information science) Ontology editor Protégé (software) Knowledge Machine KL-ONE Computer vision KM programming language SNePS Description logic KRYPTON Ontology language CycL Eurisko Fifth-generation programming language List of artificial intelligence projects Frame FRL SK8