Foundations of logic programming
Foundations of logic programming
Conceptual structures: information processing in mind and machine
Conceptual structures: information processing in mind and machine
Implementing a semantic interpreter using conceptual graphs
IBM Journal of Research and Development
Conceptual graphs for semantics and knowledge processing
IBM Journal of Research and Development
Conceptual graphs for the analysis and generation of sentences
IBM Journal of Research and Development
Using a lexicon of canonical graphs in a semantic interpreter
Relational models of the lexicon
Natural language understanding (2nd ed.)
Natural language understanding (2nd ed.)
Capture, Integration, and Analysis of Digital System Requirements with Conceptual Graphs
IEEE Transactions on Knowledge and Data Engineering
Knowledge Based Analysis of Radiology Reports Using Conceptual Graphs
Proceedings of the 7th Annual Workshop on Conceptual Structures: Theory and Implementation
In Implementation Model for Contexts and Negation in Conceptual Graphs
ICCS '95 Proceedings of the Third International Conference on Conceptual Structures: Applications, Implementation and Theory
DB-MAT: Knowledge Acquisition, Processing and NL Generation Using Conceptual Graphs
ICCS '96 Proceedings of the 4th International Conference on Conceptual Structures: Knowledge Representation as Interlingua
Positive Nested Conceptual Graphs
ICCS '97 Proceedings of the Fifth International Conference on Conceptual Structures: Fulfilling Peirce's Dream
Knowledge Extractor: A Tool for Extracting Knowledge from Text
ICCS '97 Proceedings of the Fifth International Conference on Conceptual Structures: Fulfilling Peirce's Dream
ICCS '97 Proceedings of the Fifth International Conference on Conceptual Structures: Fulfilling Peirce's Dream
Symmetry and the Computation of Conceptual Structures
ICCS '00 Proceedings of the Linguistic on Conceptual Structures: Logical Linguistic, and Computational Issues
A Multilingual Analyser ofMedical Texts
ICCS '94 Proceedings of the Second International Conference on Conceptual Structures: Current Practices
Control of a navigating rational agent by natural language
Control of a navigating rational agent by natural language
Focusing on scenario recognition in information extraction
EACL '03 Proceedings of the tenth conference on European chapter of the Association for Computational Linguistics - Volume 2
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This paper deals with Natural Language (NL) question-answering to knowledge bases (KB). It considers the usual conceptual graphs (CG) approach for NL semantic interpretation by joins of canonical graphs and compares it to the computational linguistics approach for NL question-answering basedon logical forms. After these theoretical considerations, the paper presents a system for querying a KB of CG in the domain of finances. It uses controlled English and processes large classes of negative questions. Internally the negation is interpreted as a replacement of the negatedt ype by its siblings from the type hierarchy. The answer is found by KB projection, generalized and presented in NL in a rather summarizedform, without a detaileden umeration of types. Thus the paper presents an interface for NL understanding and original techniques for application of CG operations (projection and generalization) as means for obtaining a more "natural" answer to the user's negative questions.