@inproceedings{kocon-etal-2019-multi-level, title = "Multi-level analysis and recognition of the text sentiment on the example of consumer opinions", author = "Koco{\'n}, Jan and Za{\'s}ko-Zieli{\'n}ska, Monika and Mi{\l}kowski, Piotr", editor = "Mitkov, Ruslan and Angelova, Galia", booktitle = "Proceedings of the International Conference on Recent Advances in Natural Language Processing (RANLP 2019)", month = sep, year = "2019", address = "Varna, Bulgaria", publisher = "INCOMA Ltd.", url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/R19-1066/", doi = "10.26615/978-954-452-056-4_066", pages = "559--567" }