Simple Concept Graphs: A Logic Approach
ICCS '98 Proceedings of the 6th International Conference on Conceptual Structures: Theory, Tools and Applications
ICCS '00 Proceedings of the Linguistic on Conceptual Structures: Logical Linguistic, and Computational Issues
Existential Concept Graphs of Power Context Families
ICCS '02 Proceedings of the 10th International Conference on Conceptual Structures: Integration and Interfaces
The Logic System of Concept Graphs With Negation: And Its Relationship to Predicate Logic
The Logic System of Concept Graphs With Negation: And Its Relationship to Predicate Logic
An Algorithmic Study of Deduction in Simple Conceptual Graphs with Classical Negation
ICCS '08 Proceedings of the 16th international conference on Conceptual Structures: Knowledge Visualization and Reasoning
Simple conceptual graphs with atomic negation and difference
ICCS'06 Proceedings of the 14th international conference on Conceptual Structures: inspiration and Application
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The aim of this paper is to present several examples illustrating challenges (local) negation in concept graphs yields with respect to semantical entailment. The examples are mainly concerned with inequality and with the impact missing information can have on relationships. The problems described here arose during the development of a logic system of protoconcept graphs (cf. [Kl05]), hence they will serve as exemplification.