M-CNER: A Corpus for Chinese Named Entity Recognition in Multi-Domains

Abstract

In this paper, we present a new corpus for Chinese Named Entity Recognition (NER) from three domains : human-computer interaction, social media, and e-commerce. The annotation procedure is conducted in two rounds. In the first round, one sentence is annotated by more than one persons independently. In the second round, the experts discuss the sentences for which the annotators do not make agreements. Finally, we obtain a corpus which have five data sets in three domains. We further evaluate three popular models on the newly created data sets. The experimental results show that the system based on Bi-LSTM-CRF performs the best among the comparison systems on all the data sets. The corpus can be used for further studies in research community.

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