Organizations use only a small portion of all data they own. Consequently, most of the potential value is untapped. This happens because their analysts suffer a data discovery problem: when solving a task that requires data, analysts spend more time finding the relevant data than solving the task at hand. The core problem is that […]

Users often fall for phishing emails, reuse simple passwords, and fail to effectively utilize "provably" secure systems. These behaviors expose users to significant harm and frustrate industry practitioners and security researchers alike. As consequences of security breaches become ever more grave, it is important to study why humans behave seemingly irrationally. In this talk, I […]

Computing machinery such as smartphones are ubiquitous, and so will be smart home appliances, self-driving cars and robots in the near future. Enabling these machines with natural language understanding abilities opens up potential opportunities for the broader society to benefit from, e.g., in accessing the world’s knowledge, or in controlling complex machines with little effort. […]