The power of ensemble learning in sentiment analysis

作者:

Highlights:

• Several ensemble techniques are comparatively evaluated in respect of benchmark data.

• Median performance improvements of up to 5.53% over individual models are achieved.

• A novel ensemble selection method is proposed that minimises storage and retraining.

• Clear trends for effective ensemble generation are observed.

摘要

•Several ensemble techniques are comparatively evaluated in respect of benchmark data.•Median performance improvements of up to 5.53% over individual models are achieved.•A novel ensemble selection method is proposed that minimises storage and retraining.•Clear trends for effective ensemble generation are observed.

论文关键词:Ensemble learning,Sentiment analysis,Machine learning,Natural language processing

论文评审过程:Received 10 January 2021, Revised 21 June 2021, Accepted 26 August 2021, Available online 5 September 2021, Version of Record 17 September 2021.

论文官网地址:https://doi.org/10.1016/j.eswa.2021.115819