@INPROCEEDINGS { AUTHOR = "B{\'a}rbara Poblete", TITLE = "Mining Social Networks to Learn about Rumors, Hate Speech, Bias and Polarization - Abstract", BOOKTITLE = "Workshop on Online Misinformation- and Harm-Aware Recommender Systems (OHARS)", PAGES = "1-2", YEAR = "2020", PUBLISHER = "CEUR Publications", }