Natural Language Embedded Programs for Hybrid Language Symbolic Reasoning
arxiv(2023)
摘要
How can we perform computations over natural language representations to
solve tasks that require symbolic and numeric reasoning? We propose natural
language embedded programs (NLEP) as a unifying framework for addressing
math/symbolic reasoning, natural language understanding, and instruction
following tasks. Our approach prompts a language model to generate full Python
programs that define functions over data structures which contain natural
language representations of structured knowledge. A Python interpreter then
executes the generated code and prints the output. Despite using a task-general
prompt, we find that this approach can improve upon strong baselines across a
range of different tasks including math and symbolic reasoning, text
classification, question answering, and instruction following. We found that
the generated programs are interpretable since they outline the exact reasoning
process followed by the program interpreter.
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