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My work is mostly concerned with an issue that receives different formulations and labels in different areas: how to use observations to adapt to an external world. In computer science, we talk about machine learning and optimal design for learning systems. In philosophy of science, this leads to questions about scientific reasoning and method. Epistemology considers how to form beliefs on the basis of observations, especially inductive generalizations. In biology, the topic is adaptation. Mostly I've worked in the context of machine learning, scientific reasoning and epistemology, which aim to find optimal ways of learning and adapting, rather than to describe how humans or animals actually do learn. My guiding principle is that good reasoning methods or algorithms are those that lead us towards our cognitive aims, especially towards theories that get the observations right. Though not everybody agrees with this, it's hardly a new idea. What's new in my work is a systematic attempt to work out the details. For example, what are relevant cognitive goals? What are the most powerful reasoning methods like? How hard can it be to attain some goal? Are some learning aims more difficult to realize than others? Which empirical questions are easy, which are hard, which are impossible, and what makes them so? Together with several other people working on these questions, we have found some precise, systematic and often surprising answers.
My work is mostly concerned with an issue that receives different formulations and labels in different areas: how to use observations to adapt to an external world. In computer science, we talk about machine learning and optimal design for learning systems. In philosophy of science, this leads to questions about scientific reasoning and method. Epistemology considers how to form beliefs on the basis of observations, especially inductive generalizations. In biology, the topic is adaptation. Mostly I've worked in the context of machine learning, scientific reasoning and epistemology, which aim to find optimal ways of learning and adapting, rather than to describe how humans or animals actually do learn. My guiding principle is that good reasoning methods or algorithms are those that lead us towards our cognitive aims, especially towards theories that get the observations right. Though not everybody agrees with this, it's hardly a new idea. What's new in my work is a systematic attempt to work out the details. For example, what are relevant cognitive goals? What are the most powerful reasoning methods like? How hard can it be to attain some goal? Are some learning aims more difficult to realize than others? Which empirical questions are easy, which are hard, which are impossible, and what makes them so? Together with several other people working on these questions, we have found some precise, systematic and often surprising answers.
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CoRR (2023)
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CIKM '23: Proceedings of the 32nd ACM International Conference on Information and Knowledge Managementpp.1877-1886, (2023)
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LINHACpp.2-9, (2022)
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