A Data Bootstrapping Recipe for Low Resource Multilingual Relation Classification

• URL: http://arxiv.org/abs/2110.09570v1
• Date: Mon, 18 Oct 2021 18:40:46 GMT
• Title: A Data Bootstrapping Recipe for Low Resource Multilingual Relation Classification
• Authors: Arijit Nag, Bidisha Samanta, Animesh Mukherjee, Niloy Ganguly, Soumen Chakrabarti
• Abstract summary: IndoRE is a dataset with 21K entity and relation tagged gold sentences in three Indian languages, plus English. We start with a multilingual BERT (mBERT) based system that captures entity span positions and type information. We study the accuracy efficiency tradeoff between expensive gold instances vs. translated and aligned'silver' instances.
• Score: 38.83366564843953
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Relation classification (sometimes called 'extraction') requires trustworthy datasets for fine-tuning large language models, as well as for evaluation. Data collection is challenging for Indian languages, because they are syntactically and morphologically diverse, as well as different from resource-rich languages like English. Despite recent interest in deep generative models for Indian languages, relation classification is still not well served by public data sets. In response, we present IndoRE, a dataset with 21K entity and relation tagged gold sentences in three Indian languages, plus English. We start with a multilingual BERT (mBERT) based system that captures entity span positions and type information and provides competitive monolingual relation classification. Using this system, we explore and compare transfer mechanisms between languages. In particular, we study the accuracy efficiency tradeoff between expensive gold instances vs. translated and aligned 'silver' instances. We release the dataset for future research.

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