Papers › L3Cube-MahaNER: A Marathi Named Entity Recognition Dataset and BERT models

L3Cube-MahaNER: A Marathi Named Entity Recognition Dataset and BERT models

12 Apr 2022WILDRE (LREC) 2022 6arXiv:2204.06029archive 2025-07-28

Parth Patil, Aparna Ranade, Maithili Sabane, Onkar Litake, Raviraj Joshi

Named Entity Recognition (NER) is a basic NLP task and finds major applications in conversational and search systems. It helps us identify key entities in a sentence used for the downstream application. NER or similar slot filling systems for popular languages have been heavily used in commercial applications. In this work, we focus on Marathi, an Indian language, spoken prominently by the people of Maharashtra state. Marathi is a low resource language and still lacks useful NER resources. We present L3Cube-MahaNER, the first major gold standard named entity recognition dataset in Marathi. We also describe the manual annotation guidelines followed during the process. In the end, we benchmark the dataset on different CNN, LSTM, and Transformer based models like mBERT, XLM-RoBERTa, IndicBERT, MahaBERT, etc. The MahaBERT provides the best performance among all the models. The data and models are available at https://github.com/l3cube-pune/MarathiNLP .

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Tasks

NERNamed Entity RecognitionNamed Entity Recognition (NER)SentenceSlot Fillingnamed-entity-recognitionslot-filling

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Absolute Position EncodingsAdamAttentionBPEDense ConnectionsDropoutLSTMLabel SmoothingLayer NormalizationLinear LayerMulti-Head AttentionPosition-Wise Feed-Forward LayerResidual ConnectionSigmoid ActivationSoftmaxTanh ActivationTransformermBERT

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