Learning lexical indexation  

Oleh:

Coetzee, Andries W.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Phonology (Full Text) vol. 26 no. 01 (May 2009), page 109-145.
Fulltext: Coetzee_Andries_W, p. 109-145.pdf (499.52KB)

Isi artikel

Morphological concatenation often triggers phonological processes. For instance, addition of the plural suffix /-@n/ to Dutch nouns causes vowel lengthening in some nouns due to the stress-to-weight principle ([xAt] vs. ['xa:.t@n] ‘hole’). These kinds of processes often apply only to a subset of words – not all Dutch nouns undergo this process ([kAt] vs. ['kA.t@n] ‘cat’). Nouns need to be lexically indexed as either undergoing this process or not. I investigate how phonological grammar and lexical indexation are learned when learners are confronted with data like these. Based on learnability considerations, I hypothesise that learners acquire a grammar with default non-alternation, so that novel items are treated as nonalternating. I report the results of artificial language learning experiments compatible with this hypothesis, and model these results in a version of the Biased Constraint Demotion algorithm (Prince & Tesar 2004).

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