• Source: Bayesian program synthesis

      • In programming languages and machine learning, Bayesian program synthesis (BPS) is a program synthesis technique where Bayesian probabilistic programs automatically construct new Bayesian probabilistic programs. This approach stands in contrast to routine practice in probabilistic programming where human developers manually write new probabilistic programs.


      The framework


      Bayesian program synthesis (BPS) has been described as a framework related to and utilizing probabilistic programming. In BPS, probabilistic programs are generated that are themselves priors over a space of probabilistic programs. This strategy allows automatic synthesis of new programs via probabilistic inference and is achieved by the composition of modular component programs.
      The modularity in BPS allows inference to work on and test smaller probabilistic programs before being integrated into a larger model.
      This framework can be contrasted with the family of automated program synthesis fields, which include programming by example and programming by demonstration. The goal in such fields is to find the best program that satisfies some constraint. In traditional program synthesis, for instance, verification of logical constraints reduce the state space of possible programs, allowing more efficient search to find an optimal program. Bayesian program synthesis differs both in that the constraints are probabilistic and the output is itself a distribution over programs that can be further refined.
      Additionally, Bayesian program synthesis can be contrasted to the work on Bayesian program learning, where probabilistic program components are hand-written, pre-trained on data, and then hand assembled in order to recognize handwritten characters.


      See also


      Probabilistic programming language


      References




      External links


      Commentary on BPS by David Garrity: Artificial Intelligence to see Significant Progress in 2017

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