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What is commonsense knowledge?

by Stephen M. Walker II, Co-Founder / CEO

What is commonsense knowledge?

Commonsense knowledge is a type of knowledge that is considered to be basic and self-evident. In the context of artificial intelligence (AI), commonsense knowledge refers to the ability of a computer system to understand and process information that is considered to be common sense.

One of the challenges in AI is that computers do not have the same type of common sense that humans do. As a result, AI systems often struggle with tasks that require understanding and processing of information that is considered to be common sense. For example, a computer system might not be able to understand why a person would need to put on a coat when it is cold outside.

One of the goals of AI research is to develop methods and techniques for teaching computers commonsense knowledge. This is an important area of research because commonsense knowledge is essential for AI systems to be able to interact with humans in a natural and effective way.

What is the significance of commonsense knowledge in AI?

Commonsense knowledge is critical for AI systems because it enables them to understand the world in the same way that humans do. This knowledge is essential for tasks such as natural language processing, where AI systems need to be able to interpret the meaning of words and sentences. Commonsense knowledge also allows AI systems to make inferences and deductions that are similar to those made by humans. For example, if an AI system knows that dogs are typically smaller than cats, it can infer that a Chihuahua is probably not as big as a tiger.

Without commonsense knowledge, AI systems would be severely limited in their ability to interact with the world in a meaningful way. They would be unable to understand the complexities of human language and would be unable to make the same kind of inferences and deductions that humans make on a daily basis. Commonsense knowledge is thus a key ingredient in AI systems that aim to replicate or exceed human intelligence.

How can commonsense knowledge be acquired?

There is no one answer to this question as it depends on the specific domain or application that the AI system is being developed for. However, some methods for acquiring commonsense knowledge include:

  1. Reading and extracting information from texts: This can be done using natural language processing techniques such as text mining and information extraction.

  2. Observing and learning from human behavior: This can be done through methods such as reinforcement learning, where an AI system learns by observing and imitating human behavior.

  3. Asking questions: This can be done through interactive systems such as chatbots, which can ask questions to humans in order to acquire commonsense knowledge.

  4. Building knowledge graphs: This involves representing commonsense knowledge in a structured format, such as a graph, which can then be used by AI systems.

  5. Using knowledge from expert systems: This involves using pre-existing knowledge from expert systems or humans to help an AI system learn commonsense knowledge.

How can commonsense knowledge be represented?

Commonsense knowledge is the knowledge of everyday life that we all take for granted. It's the kind of knowledge that allows us to make sense of the world around us and to interact with other people.

Representing commonsense knowledge in AI is a challenge because it is often informal and hard to formalize. However, there are a few approaches that can be taken.

One approach is to use a knowledge representation language like RDF or OWL. These languages allow for formal definitions of concepts and relationships between them. This can be used to represent commonsense knowledge in a machine-readable form.

Another approach is to use a database of commonsense knowledge, such as ConceptNet. This approach allows for more flexible querying of commonsense knowledge, but can be harder to work with for some tasks.

Ultimately, the best approach for representing commonsense knowledge in AI will likely be a combination of these approaches, tailored to the specific needs of the AI system.

How can commonsense knowledge be used in AI applications?

Commonsense knowledge is defined as "knowledge of the kind one acquires without benefit of formal instruction or specific training." In other words, it's the kind of knowledge that we all acquire through everyday experience.

So how can commonsense knowledge be used in AI applications?

There are a number of ways. For example, commonsense knowledge can be used to help develop more natural and human-like dialogue systems. It can also be used to improve the accuracy of predictive models, and to help robots and other AI-powered systems better understand the world around them.

In short, commonsense knowledge is a valuable resource for AI developers, and one that is likely to become increasingly important as AI technology continues to evolve.

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