Amit Sharma

causal inference recommender systems machine learning prediction graphical model data science natural experiments causality social recommendation metrics a/b experiment social networks data mining instrumental variables social media social influence preferences sharing information diffusion causal graphs refutation test dowhy evaluation metrics counterfactual reasoning differential privacy privacy computational social science societal impact tuberculosis mental health social good artificial intelligence natural experiment instrumental variable knowledge discovery hierarchical model fairness measurement search engine e-commerce amazon viral cumulative advantage multi-armed bandits ad targeting graphical models online advertising statistics conditional independence pairwise learning linkedin community recommendation