Chinese Lexical Simplification

Lexical simplification has attracted much attention in many languages, which is the process of replacing complex words a given sentence with simpler alternatives equivalent meaning. Although richness vocabulary Chinese makes text very difficult to read for children and non-native speakers, there no research work lexical (CLS) task. To circumvent difficulties acquiring annotations, we manually create first benchmark dataset CLS, can be used evaluating systems automatically. acquire more thorough comparison, present five different types methods as baselines generate substitute candidates word that includes synonym-based approach, embedding-based BERT-based sememe-based hybrid approach. Finally, design experimental evaluation these discuss their advantages disadvantages. our best knowledge, this study CLS