Acquiring words across generations : introspectively or interactively?

  • How does a shared lexicon arise in population of agents with differing lexicons, and how can this shared lexicon be maintained over multiple generations? In order to get some insight into these questions we present an ALife model in which the lexicon dynamics of populations that possess and lack metacommunicative interaction (MCI) capabilities are compared. We ran a series of experiments on multi-generational populations whose initial state involved agents possessing distinct lexicons. These experiments reveal some clear differences in the lexicon dynamics of populations that acquire words solely by introspection contrasted with populations that learn using MCI or using a mixed strategy of introspection and MCI. The lexicon diverges at a faster rate for an introspective population, eventually collapsing to one single form which is associated with all meanings. This contrasts sharply with MCI capable populations in which a lexicon is maintained, where every meaning is associated with a unique word. We also investigated the effect ofHow does a shared lexicon arise in population of agents with differing lexicons, and how can this shared lexicon be maintained over multiple generations? In order to get some insight into these questions we present an ALife model in which the lexicon dynamics of populations that possess and lack metacommunicative interaction (MCI) capabilities are compared. We ran a series of experiments on multi-generational populations whose initial state involved agents possessing distinct lexicons. These experiments reveal some clear differences in the lexicon dynamics of populations that acquire words solely by introspection contrasted with populations that learn using MCI or using a mixed strategy of introspection and MCI. The lexicon diverges at a faster rate for an introspective population, eventually collapsing to one single form which is associated with all meanings. This contrasts sharply with MCI capable populations in which a lexicon is maintained, where every meaning is associated with a unique word. We also investigated the effect of increasing the meaning space and showed that it speeds up the lexicon divergence for all populations irrespective of their acquisition method.show moreshow less

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Metadaten
Author details:Zoran Macura, Jonathan Ginzburg
URN:urn:nbn:de:kobv:517-opus-10408
Publication type:Conference Proceeding
Language:English
Publication year:2006
Publishing institution:Universität Potsdam
Release date:2006/11/10
Source:brandial'06 : Proceedings of the 10th workshop on the semantics and pragmatics of dialogue (SemDial-10) / ed. By David Schlangen ; Raquel Fernández. - Univ.-Verl. : Potsdam, 2006. - vii, 201 S. : Ill., graph. Darst.
RVK - Regensburg classification:ER 300
Organizational units:Extern / Extern
DDC classification:4 Sprache / 40 Sprache / 400 Sprache
Collection(s):Universität Potsdam / Tagungsbände/Proceedings (nicht fortlaufend) / brandial’06 : Proceedings of the 10th Workshop on the semantics and pragmatics of dialogue (SemDial-10)
External remark:
Der Aufsatz ist erschienen in:
brandial'06 : Proceedings of the 10th workshop on the semantics and pragmatics of dialogue (SemDial-10) / ed. By David Schlangen ; Raquel Fernández. - Univ.-Verl. : Potsdam, 2006. - vii, 201 S. : Ill., graph. Darst.
ISBN 978-3-939469-29-2 Pick It!
URN: urn:nbn:de:kobv:517-opus-10484

Die Printausgabe kann beim Universitätsverlag Potsdam bestellt werden.
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