NABU $\mathrm{-}$ Multilingual Graph-based Neural RDF Verbalizer

• URL: http://arxiv.org/abs/2009.07728v2
• Date: Mon, 21 Sep 2020 14:14:05 GMT
• Title: NABU $\mathrm{-}$ Multilingual Graph-based Neural RDF Verbalizer
• Authors: Diego Moussallem and Dwaraknath Gnaneshwar and Thiago Castro Ferreira and Axel-Cyrille Ngonga Ngomo
• Abstract summary: NABU is a graph-based neural model that verbalizes RDF data to German, Russian, and English. Our results show that NABU outperforms state-of-the-art approaches on English with 66.21 BLEU.
• Score: 3.419992814908564
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The RDF-to-text task has recently gained substantial attention due to continuous growth of Linked Data. In contrast to traditional pipeline models, recent studies have focused on neural models, which are now able to convert a set of RDF triples into text in an end-to-end style with promising results. However, English is the only language widely targeted. We address this research gap by presenting NABU, a multilingual graph-based neural model that verbalizes RDF data to German, Russian, and English. NABU is based on an encoder-decoder architecture, uses an encoder inspired by Graph Attention Networks and a Transformer as decoder. Our approach relies on the fact that knowledge graphs are language-agnostic and they hence can be used to generate multilingual text. We evaluate NABU in monolingual and multilingual settings on standard benchmarking WebNLG datasets. Our results show that NABU outperforms state-of-the-art approaches on English with 66.21 BLEU, and achieves consistent results across all languages on the multilingual scenario with 56.04 BLEU.

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