# Document-level multi-topic sentiment classification of Email data with BiLSTM and data augmentation

> Research article (Knowledge-Based Systems, 2020) · cited 70× · AI/ML

**Wikidata**: [openalex:W3019087140](https://www.wikidata.org/wiki/openalex:W3019087140)  
**Source**: https://4ort.xyz/entity/document-level-multi-topic-sentiment-classification-of-email-data-with-bilstm-and-data-augmentation