Table 2.

Comparison between different DAL models

Models	Task	Characteristics	Effectiveness
CNN-CNN-LSTM	NER	DAL	Verified the performance of DAL method on NER
Word2vec and BERT	NER and RE	DAL	Verified the performance of DAL method on RE and NER
CNN-CNN-LSTM	NER	Subsequence-based DAL	Verified the performance of querying subsequences on NER
BERT-CRF(SDSAL)	RE	Subsequence-based DAL	Verified the performance of subsequences and distant supervision on RE