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New paper accepted at NeuralGen 2019 Workshop

News date: 
Saturday, 30 March, 2019

The paper "Neural Text Simplification in Low-Resource Conditions using Weak Supervision" authored by Alessio Palmero Aprosio, Sara Tonelli, Marco Turchi, Matteo Negri and Mattia di Gangi has been accepted at Neural Gen 2019, the Workshop on Methods for Optimizing and Evaluating Neural Language Generation co-located with NAACL 2019.

Abstract:

Neural text simplification has gained increasing attention in the NLP community thanks to recent advancements in deep sequence-to-sequence  learning. Most recent efforts with such a data-demanding paradigm have dealt with the English language, for which sizeable training datasets are currently available to deploy competitive models. Similar improvements on less resource-rich languages are conditioned either to intensive manual work to create training data, or to the design of effective automatic generation techniques to bypass the data acquisition bottleneck. Inspired by the machine translation field, in which synthetic parallel pairs generated from monolingual data yield significant improvements to neural models, in this paper we exploit large amounts of heterogeneous data to automatically select simple sentences, which are then used to create synthetic simplification pairs. We also evaluate other solutions, such as oversampling and the use of external word embeddings to be fed to the neural simplification system. Our approach is evaluated on Italian and Spanish, for which few thousand gold  sentence pairs are available. The results show that these techniques yield performance improvements over a baseline sequence-to-sequence configuration.