Another popular and promising approach is using contextual word representations, such as ELMo ( https://allennlp.org/elmo https://allennlp.org/elmo - RIP Paul A

Another popular and promising approach is using contextual word representations, such as ELMo ( https://allennlp.org/elmo https://allennlp.org/elmo - RIP Paul Allen) and Flair (https://github.com/zalandoresearch/flair https://github.com/zalandoresearch/flair) The downside is a very heavy slow-down in training/prediction.