Abstract
In this paper we aim to model the organization and processing of Bangla compound words in the mental lexicon. Our objective is to determine whether the mental lexicon access a Bangla compound word as a whole or decomposes the whole word into its constituent morphemes and then recognize them accordingly. To address this issue, we adopted two different strategies. First, we conduct a cross-modal priming experiment over a number of native speakers. Analysis of reaction time (RT) and error rates indicates that in general, Bangla compound words are accessed via partial decomposition process. That is some word follows full-listing mode of representation and some words follow the decomposition route of representation. Next, based on the collected RT data we have developed a computational model that can explain the processing phenomena of the access and representation of Bangla compound words. In order to achieve this, we first explored the individual roles of head word position, morphological complexity, orthographic transparency and semantic compositionality between the constituents and the whole compound word. Accordingly, we have developed a complexity based model by combining these features together. To a large extent we have successfully explained the possible processing phenomena of most of the Bangla compound words. Our proposed model shows an accuracy of around 83 %.
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Notes
The corpus is collected from www.nltr.org.
pAna also means “get” or “achieve” (2nd person, honorific, simple present) and “beetle leaf”; chhADA also means “to leave”, “to release” and “to start”.
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Dasgupta, T., Sinha, M. & Basu, A. Computational Models of the Representation of Bangla Compound Words in the Mental Lexicon. J Psycholinguist Res 45, 833–855 (2016). https://doi.org/10.1007/s10936-015-9367-1
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DOI: https://doi.org/10.1007/s10936-015-9367-1