Davor Lauc


2021

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BERTić - The Transformer Language Model for Bosnian, Croatian, Montenegrin and Serbian
Nikola Ljubešić | Davor Lauc
Proceedings of the 8th Workshop on Balto-Slavic Natural Language Processing

In this paper we describe a transformer model pre-trained on 8 billion tokens of crawled text from the Croatian, Bosnian, Serbian and Montenegrin web domains. We evaluate the transformer model on the tasks of part-of-speech tagging, named-entity-recognition, geo-location prediction and commonsense causal reasoning, showing improvements on all tasks over state-of-the-art models. For commonsense reasoning evaluation we introduce COPA-HR - a translation of the Choice of Plausible Alternatives (COPA) dataset into Croatian. The BERTić model is made available for free usage and further task-specific fine-tuning through HuggingFace.
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