What is Neurosymbolic AI and Why is it Trending?

Neurosymbolic AI is a new approach that combines two very different ways of getting machines to understand and solve problems. It brings together the “neural” part of Artificial Intelligence (AI), which uses patterns to learn from lots of data, and the “symbolic” part, which uses rules and logic to solve problems. This blend helps AI systems become smarter and better at understanding complex information.

Key Concepts in Neurosymbolic AI

  • Better at Problem-Solving:
    By combining neural networks (which are good at pattern recognition) and symbolic reasoning (which follows logic and rules), neurosymbolic AI can solve much harder problems. For example, it can help a robot figure out how to navigate through a new environment by both recognizing objects (like doors or walls) and reasoning about how to move around them.

  • Improved Accuracy:
    Purely neural-based AI systems sometimes make mistakes because they rely only on patterns in data. Neurosymbolic AI can make better decisions because it also considers logic and rules, like knowing that “a cat is not a type of car,” even if both words sound similar.

  • More Human-Like Understanding:
    Neurosymbolic AI allows machines to understand cause and effect, interpret language with more nuance, and follow complex rules. This makes it better at tasks like answering tough questions, understanding legal documents, or making ethical decisions.

  • Fewer Data Requirements:
    Traditional AI models need a lot of data to learn from. By adding symbolic reasoning, neurosymbolic AI can make sense of situations even when there’s not as much data available, because it can rely on built-in logic and knowledge.

Braintons (yes, it’s a portmanteau of Brains and Croutons)

  • Neural Networks:
    These are like the “brain” of AI. Neural networks learn from patterns in data—like recognizing a face in a photo or figuring out which word comes next in a sentence. They’re great at spotting patterns but not so great at logic or reasoning.

  • Symbolic AI:
    This is the “thinking” part of AI. Symbolic AI uses rules and logic, like solving a math problem or following a step-by-step process. It’s like an expert at chess, which follows strict rules and can figure out the best move based on those rules.

  • Knowledge Graphs:
    Think of this as a map of knowledge. It shows how different concepts (like “car” and “engine”) are connected. This helps AI systems reason by knowing how things relate to each other, like understanding that “engines power cars.”

  • Hybrid AI:
    This is when you mix two or more types of AI, like combining neural networks with symbolic reasoning. It’s like having a calculator that can also solve puzzles—it’s smart in different ways at the same time.

  • Reasoning:
    In neurosymbolic AI, reasoning means using rules and logic to make sense of things, like solving a puzzle or deciding what to do next. This helps AI systems make smarter decisions beyond just recognizing patterns.