@InProceedings{Rambert:WWW21,
        author = "R. Rambert and Z. Weinberg and D. Barradas and N. Christin", 
        title = "Chinese wall or {Swiss} cheese? Keyword filtering in the {Great Firewall of China}", 
        booktitle = "Proceedings of the {30th Web Conference (WWW'21)}", 
        year = 2021,
        month = apr,
        address = "Ljubljana, Slovenia (online)"
}