Abstract Syntax Networks for Code Generation and Semantic Parsing

04/25/2017

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by   Maxim Rabinovich, et al.

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Tasks like code generation and semantic parsing require mapping unstructured (or partially structured) inputs to well-formed, executable outputs. We introduce abstract syntax networks, a modeling framework for these problems. The outputs are represented as abstract syntax trees (ASTs) and constructed by a decoder with a dynamically-determined modular structure paralleling the structure of the output tree. On the benchmark Hearthstone dataset for code generation, our model obtains 79.2 BLEU and 22.7 compared to previous state-of-the-art values of 67.1 and 6.1 perform competitively on the Atis, Jobs, and Geo semantic parsing datasets with no task-specific engineering.