NLEPs: Connecting Large Language Models with symbolic reasoning

GPUnet
3 min readJun 24, 2024

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Picture yourself requesting an AI to figure out a tough math problem or understand a bunch of symbolic equations. AI systems such as ChatGPT are good at many tasks but they struggle with number based and symbolic reasoning. Natural Language Embedded Programs (NLEPs) offer a new way to enhance these models’ ability to reason, marking a major advancement in AI capabilities.

While LLMs like ChatGPT have proven effective across many tasks, they often struggle with problems requiring numerical or symbolic reasoning.

NLEPs follow a structured approach to solve problems: they use specific tools, understand natural language descriptions of needed knowledge, execute a function to calculate solutions, and present results in understandable language, sometimes with visual aids.

This method brings several advantages, such as improved accuracy, transparency, and efficiency. Users can review generated programs and correct mistakes directly, avoiding the need to rerun entire models for troubleshooting. Moreover, a single NLEP can be adjusted for different tasks by changing specific details.

Real World Applications

The practical implications of NLEPs are extensive. In fields such as finance, healthcare, and engineering, where accurate numerical and symbolic reasoning is critical, NLEPs can significantly enhance decision-making processes.

For instance:

  • Finance: NLEPs can support in-depth analysis of market trends, optimization of investment portfolios, and more precise prediction of financial outcomes.
  • Climate Science: NLEPs can aid climate scientists in analyzing vast datasets related to weather patterns, climate change models, and environmental impacts. They can help predict trends, simulate scenarios, and optimize strategies for mitigating climate risks.
  • Legal Research: In the legal domain, NLEPs can assist lawyers and legal researchers in analyzing case law, statutes, and legal documents. They can help identify relevant precedents, extract key information, and provide insights for complex legal arguments and decision-making.
  • Healthcare: In medical research, NLEPs can assist in the analysis of complex datasets, identification of patterns in patient records, and recommendation of potential treatments.
  • Engineering: Engineers can leverage NLEPs to solve complex equations, simulate physical systems, and improve design processes.

Future Directions

While NLEPs represent a substantial advancement, there are challenges to address. The technique heavily relies on a model’s ability to generate effective programs, which can be a limitation for smaller models trained on limited datasets.

Future research will focus on:

  • Enhancing Smaller Models: Developing methods to help smaller language models generate more effective NLEPs without extensive retraining.
  • Exploring Prompt Variations: Investigating how different prompt structures impact the robustness and accuracy of reasoning tasks.
  • Broadening Applications: Identifying new domains and use cases where NLEPs can make a significant impact.

NLEPs will definitely revolutionize how we apply AI to complex reasoning tasks. By combining the strengths of natural language processing with precise program execution, NLEPs offer a potent tool for enhancing the capabilities of large language models. As research continues and technology matures, we can expect to see further innovative applications and improvements in AI driven reasoning.

Researchers found that using NLEPs helped GPT-4 achieve over 90% accuracy on various symbolic reasoning tasks, outperforming methods that focus only on specific prompts by 30%.

Beyond accuracy gains, NLEPs might enhance data privacy by processing programs locally, rather than sending sensitive information to external entities for analysis. This approach could also boost the performance of smaller language models without extensive retraining costs.

Nonetheless, NLEPs rely on a model’s ability to generate programs and might not perform as well with smaller models trained on limited data. Future studies aim to improve smaller LLMs’ ability to generate efficient NLEPs and explore how different prompts affect reasoning reliability.

Funded in part by the Center for Perceptual and Interactive Intelligence of Hong Kong, this research will be presented at this month’s Annual Conference of the North American Chapter of the Association for Computational Linguistics.

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