16 April: DCLRS Seminar Tomorrow at 4pm in DIT -- Pascal Amsili, Paris 7

Dublin Computational Linguistics Research Seminar: Index of April 2015 | Dublin Computational Linguistics Research Seminar - Index of year: 2015 | Full index

Speaker: Pascal Amsili from Université Paris Diderot

Title: Learning to categorize nouns and verbs on the basis of a few known
examples: A computational model relying on n-grams

Abstract:
A learning study is presented whose aim is to show that local
contexts, in a child-directed speech corpus, can be exploited, with
simple statistical methods, to predict the category (noun vs. verb) of
unknown words. The model we present here is based on the memorisation of
n-grams and on a "semantic seed" (a small number of nouns and verbs
supposedly known and well categorised). It shows an excellent precision for
every size of the semantic seed, and its recall grows along with the size
of the semantic seed. The most useful contexts are the ones that include
function words. This feasibility study shows
that very young children could exploit the contexts of unknown words
to predict their syntactic category.

Time: 4pm
Venue: Room K2-008 DIT Kevin Street

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Dublin Computational Linguistics Research Seminar - Index of April 2015 | Index of year: 2015 | Full index