Teacher Assisted Learning

Modern statistical machine learning (SML) methods share a major limitation with the early approaches to AI: there is no scalable way to adapt them to new domains. Human Learning solves this in part by leveraging a rich, shared, updateable world model. Such scalability requires modularity: updating part of the world model should not impact unrelated parts. We have argued that such modularity will require both “correctability” (so that errors can be corrected without introducing new errors) and “interpretability” (so that we can understand what components need correcting). To achieve this, one could attempt to adapt state of the art SML systems to be interpretable and correctable; or one could see how far the simplest possible interpretable, correctable learning methods can take us, and try to control the limitations of SML methods by applying them only where needed. Here we focus on the latter approach and we investigate two main ideas: “Teacher Assisted Learning”, which leverages crowd sourcing to learn language; and “Factored Dialog Learning”, which factors the process of application development into roles where the language competencies needed are isolated, enabling non-experts to quickly create new applications. In this talk, I describe “Teacher Assisted Learning”.

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