{"blocks": [{"key": "c1d2c50e", "text": "Scenario", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "ebb99a96", "text": "Following detection of increasing fake news, you are tasked with proposing an automated classification solution.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "f447e6e3", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "90d2174f", "text": "What features and modelling approach would you use to build a machine-learning system that flags fake news on Facebook?", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "37e3aea7", "text": "Hints", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "da89a559", "text": "Discuss text, user, network, temporal features; model choices; evaluation metrics; handling concept drift.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}