Mining annotators' common knowledge for automatic text revision Online publication date: Thu, 23-May-2019
by Giovanni Siragusa; Luigi Di Caro; Marco Tosalli
International Journal of Metadata, Semantics and Ontologies (IJMSO), Vol. 13, No. 3, 2019
Abstract: Many natural language understanding tasks require clean input textual data in order to train systems with the highest precision. Such data, usually collected from surveys or the web, are manually processed in order to remove morphosyntactic variability, spelling errors and incoherence in naming entities. Since these operations are conducted by domain experts and annotators, they are usually costly and time-consuming. Furthermore, this scenario is very common in industrial tasks where annotators are hired. In this context, we propose an innovative and simple method that extracts correction patterns, i.e., <expression, replacement> pairs, where expression is a matching string and replacement indicates how to re-write the matched string. Such tool can be used both to evaluate annotators (since it provides a deep understanding of their work) and to automatically revise the texts. We extensively tested our method in a multilingual setting, obtaining outstanding results over baseline approaches.
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