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Systems. Our lab develops measurement-driven approaches to understanding and improving the Internet and the Web. Our research spans Internet access and digital inequality, cellular and satellite
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Science. Our research examines how artificial intelligence, online platforms, and the Web shape individuals, societies, and access to information. Recent themes include large-language-model safety and bias
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to understand and characterize harmful online phenomena. Development of AI-based countermeasures for security and privacy, especially in on-device settings. Investigation of attacks/defenses on AI
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designed with user privacy and safety at the forefront. Current research thrusts involve: Large-scale measurements on the web to understand and characterize harmful online phenomena. Development of AI-based