Expressing conceptual graph queries from patterns: how to take into account the relations

Authors:
Camille Pradel;Ollivier Haemmerlé;Nathalie Hernandez
Affiliations:
IRIT, Université de Toulouse le Mirail, Département de Mathématiques-Informatique, Toulouse Cedex;IRIT, Université de Toulouse le Mirail, Département de Mathématiques-Informatique, Toulouse Cedex;IRIT, Université de Toulouse le Mirail, Département de Mathématiques-Informatique, Toulouse Cedex
Venue:
ICCS'11 Proceedings of the 19th international conference on Conceptual structures for discovering knowledge
Year:
2011

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Abstract

Our goal is to hide the complexity of formulating a query expressed in a graph query language such as conceptual graphs. We propose a mechanism allowing one to express queries in a very simple pivot language, mainly composed of keywords and relations between keywords. Our system associates the keywords with the corresponding elements of the support (concept types, relation types, individual markers). Then it selects pre-written query patterns, and instanciates them with regard to the keywords of the initial query. Several possible queries are shown to the user. These queries are presented by means of natural language sentences. The user then selects the query he/she is interested in. The query conceptual graph is then built.