Communication Dans Un Congrès Année : 2012

Robustness and processing difficulty models. A pilot study for eye-tracking data on the French Treebank

Stéphane Rauzy
Philippe Blache

Résumé

We present in this paper a robust method for predicting reading times. Robustness first comes from the conception of the difficulty model, which is based on a morpho-syntactic surprisal index. This metric is not only a good predictor, as shown in the paper, but also intrinsically robust (because relying on POS-tagging instead of parsing). Second, robustness also concerns data analysis: we propose to enlarge the scope of reading processing units by using syntactic chunks instead of words. As a result, words with null reading time do not need any special treatment or filtering. It appears that working at chunks scale smooths out the variability inherent to the different reader's strategy. The pilot study presented in this paper applies this technique to a new resource we have built, enriching a French treebank with eye-tracking data and difficulty prediction measures.

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hal-01510671 , version 1 (30-05-2017)

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Stéphane Rauzy, Philippe Blache. Robustness and processing difficulty models. A pilot study for eye-tracking data on the French Treebank. Workshop on Eye-tracking and Natural Language Processing at The 24th International Conference on Computational Linguistics (COLING), Dec 2012, Mumbai, India. pp.1-15. ⟨hal-01510671⟩
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