@inproceedings{overviewonnlptechniquesforcontentbased,
  title = {Overview on NLP Techniques for Content-based Recommender Systems for Books},
  author = {Melania Berbatova},
  year = {2019},
  booktitle = {RANLP 2019 9},
  url = {https://aclanthology.org/R19-2009},
}