Identification of Shell Nouns, Signals of Discourse Organisation (Identification des noms sous-spécifiés, signaux de l'organisation discursive) [in French]
نویسندگان
چکیده
In this paper, we focus on shell nouns, a class of items involved in the signaling of discourse organisation. These signals have been little studied in Natural Language Processing and within discourse analysis theories. The main goal is to study their participation to discourse organisation, especially when they occur in Problem-Solution patterns. In this paper, we present the different steps involved in shell nouns identification of these nouns. First, we present the lexical acquisition of shell nouns from a large corpus. Second, we show how a method based on the extraction of sequential patterns (sequential data mining techniques) allows to discover new syntactic patterns specific to the use of shell nouns. Finally, we present a shell nouns identification system that we evaluate. Mots-clés : noms sous-spécifiés, motifs séquentiels, structure discursive.
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