Case-based reasoning for knowledge-intensive template selection during text generation

  • Authors:
  • Raquel Hervás;Pablo Gervás

  • Affiliations:
  • Departamento de Sistemas Informáticos y Programación, Universidad Complutense de Madrid, Spain;Departamento de Sistemas Informáticos y Programación, Universidad Complutense de Madrid, Spain

  • Venue:
  • ECCBR'06 Proceedings of the 8th European conference on Advances in Case-Based Reasoning
  • Year:
  • 2006

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Abstract

The present paper describes a case-based reasoning solution for solving the task of selecting adequate templates for realizing messages describing actions in a given domain. This solution involves the construction of a case base from a corpus of example texts, using information from WordNet to group related verbs together. A case retrieval net is used as a memory model. A taxonomy of the concepts involved in the texts is used to compute similarity between concepts. The set of data to be converted into text acts as a query to the system. The process of solving a given query may involve several retrieval processes – to obtain a set of cases that together constitute a good solution for transcribing the data in the query as text messages – and a process of knowledge-intensive adaptation which resorts to a knowledge base to identify appropriate substitutions and completions for the concepts that appear in the cases, using the query as a source. We describe this case-based solution, and we present examples of how it solves the task of selecting an appropriate set of templates to render a given set of data as text.