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Computación y Sistemas

Print version ISSN 1405-5546


VICENTE, Marta et al. Natural language Generation Revision of the State of the Art. Comp. y Sist. [online]. 2015, vol.19, n.4, pp.721-756. ISSN 1405-5546.

Language is one of the highest cognitive skills developed by human beings and, therefore, one of the most complex tasks to be faced from the computational perspective. Human-computer communication processes imply two different degrees of difficulty depending on the nature of that communication. If the language used is oriented towards the domain of the machine, there is no place for ambiguity since it is restricted by rules. However, when the communication is in terms of natural language, its flexibility and ambiguity becomes unavoidable. Computational Linguistic techniques are mandatory for machines when it comes to process human language. Among them, the area of Natural language Generation aims to automatical development of techniques to produce human utterances, text and speech. This paper presents a deep survey of this research area taking into account different points of view about the theories, methodologies, architectures, techniques and evaluation approaches, thus providing a review of the current situation and possible future research in the field.

Keywords : Computational linguistics; natural language generation; NLG; stages; techniques; evaluation.

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