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An evaluation of BERT and Doc2Vec model on the IPTC Subject Codes prediction dataset

Authors: Pranjić, Marko; Robnik-Šikonja, Marko; Pollak, Senja;

An evaluation of BERT and Doc2Vec model on the IPTC Subject Codes prediction dataset

Abstract

Large pretrained language models like BERT have shown excellent generalization properties and have advanced the state of the art on various NLP tasks. In this paper we evaluate Finnish BERT (FinBERT) model on the IPTC Subject Codes prediction task. We compare it to a simpler Doc2Vec model used as a baseline. Due to hierarchical nature of IPTC Subject Codes, we also evaluate the effect of encoding the hierarchy in the network layer topology. Contrary to our expectations, a simpler baseline Doc2Vec model clearly outperforms the more complex FinBERT model and our attempts to encode hierarchy in a prediction network do not yield systematic improvement.

Keywords

IPTC Subject Codes, news categorization, text representation, BERT, Doc2Vec

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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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