Conceptual structures
Software requirements & specifications: a lexicon of practice, principles and prejudices
Software requirements & specifications: a lexicon of practice, principles and prejudices
WAXweb: toward dynamic MOO-based VRML
VRML '95 Proceedings of the first symposium on Virtual reality modeling language
Knowledge representation: logical, philosophical and computational foundations
Knowledge representation: logical, philosophical and computational foundations
Knowledge Visualization from Conceptual Structures
ICCS '94 Proceedings of the Second International Conference on Conceptual Structures: Current Practices
The CORALI Project: From Conceptual Graphs to Conceptual Graphs via Labelled Graphs
ICCS '97 Proceedings of the Fifth International Conference on Conceptual Structures: Fulfilling Peirce's Dream
Notio - A Java API for Developing CG Tools
ICCS '99 Proceedings of the 7th International Conference on Conceptual Structures: Standards and Practices
From PROLOG++ to PROLOG+CG: A CG Object-Oriented Logic Programming Language
ICCS '00 Proceedings of the Linguistic on Conceptual Structures: Logical Linguistic, and Computational Issues
Ossa - A Conceptual Modelling System for Virtual Realities
ICCS '01 Proceedings of the 9th International Conference on Conceptual Structures: Broadening the Base
A Multimedia MUD System for the Digital Museum
APCHI '98 Proceedings of the Third Asian Pacific Computer and Human Interaction
LogiMOO: a multi-user virtual world with agents and natural language programming
CHI EA '97 CHI '97 Extended Abstracts on Human Factors in Computing Systems
STRIPS: a new approach to the application of theorem proving to problem solving
IJCAI'71 Proceedings of the 2nd international joint conference on Artificial intelligence
Notio - A Java API for Developing CG Tools
ICCS '99 Proceedings of the 7th International Conference on Conceptual Structures: Standards and Practices
Ossa - A Conceptual Modelling System for Virtual Realities
ICCS '01 Proceedings of the 9th International Conference on Conceptual Structures: Broadening the Base
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As virtual reality systems achieve new heights of visual and auditory realism, the need for improving the underlying conceptual modelling facilities becomes increasingly apparent. The Ossa system provides a media-independent modelling environment based on a production system model that uses conceptual graphs to represent both the facts and the rules. Using conceptual graphs allows for interaction with the virtual world using multiple modalities (e.g. graphics and natural language). Conceptual graphs also allow for highly expressive facts and rules, and a diagrammatic programming technique. The motivation, design, and implementation of the Ossa system are discussed.