4 Differences between NLP and NLU

NLP vs NLU: From Understanding to its Processing by Scalenut AI

nlp and nlu

This transparency makes symbolic AI an appealing choice for those who want the flexibility to change the rules in their NLP model. This is especially important for model longevity and reusability so that you can adapt your model as data is added or other conditions change. By considering clients’ habits and hobbies, nowadays chatbots recommend holiday packages to customers (see Figure 8). Since it is not a standardized conversation, NLU capabilities are required.

nlp and nlu

The first successful attempt came out in 1966 in the form of the famous ELIZA program which was capable of carrying on a limited form of conversation with a user. All these sentences have the same underlying question, which is to enquire about today’s weather forecast. In this context, another term which is often used as a synonym is Natural Language Understanding (NLU).

What is Natural Language Generation?

In this blog, we’ll provide you with a comprehensive roadmap consisting of six steps to boost profitability using AI Chatbots from CM.com. Natural Language Processing allows an IVR solution to understand callers, detect emotion and identify keywords in order to fully capture their intent and respond accordingly. Ultimately, the goal is to allow the Interactive Voice Response system to handle more queries, and deal with them more effectively with the minimum of human interaction to reduce handling times. Language processing is a hugely influential technology in its own right.

nlp and nlu

As we approach the era of 163 zettabytes of data, it’s clear that NLP and NLU are not just buzzwords but indispensable tools for businesses. They offer the capability to decipher unstructured data, extract insights and provide personalized experiences. Instead, machines must know the definitions of words and sentence structure, along with syntax, sentiment and intent. Natural language understanding (NLU) is concerned with the meaning of words.

Technology updates and resources

Natural Language Understanding provides machines with the capabilities to understand and interpret human language in a way that goes beyond surface-level processing. It is designed to extract meaning, intent, and context from text or speech, allowing machines to comprehend contextual and emotional touch and intelligently respond to human communication. Natural Language Processing focuses on the interaction between computers and human language.

  • By considering clients’ habits and hobbies, nowadays chatbots recommend holiday packages to customers (see Figure 8).
  • ML algorithms can then examine these to discover relationships, connections, and context between these smaller sections.
  • Without it, the assistant won’t be able to understand what a user means throughout a conversation.
  • NLG software accomplishes this by converting numbers into natural language text or speech that humans can understand using AI models powered by machine learning and deep learning.

NLU and NLP can comprehend and decipher the text of the stock market, after which NLG will generate a story for publication on a website. As a result, it can function as a human while the user performs other tasks. NLU (Natural Language Understanding) and NLP (Natural Language Processing) are crucial in understanding human language in this context. Because they both deal with Natural Language, these terms are sometimes used interchangeably.

But NLU is actually a subset of the wider world of NLP (albeit an important and challenging subset). With more progress in technology made in recent years, there has also emerged a new branch of artificial intelligence, other than NLP and NLU. It is another subfield of NLP called NLG, or Natural Language Generation, which has received a lot of prominence and recognition in recent times. Our open source conversational AI platform includes NLU, and you can customize your pipeline in a modular way to extend the built-in functionality of Rasa’s NLU models. You can learn more about custom NLU components in the developer documentation, and be sure to check out this detailed tutorial.


Natural language processing enables computers to speak with humans in their native language while also automating other language-related processes. NLP, for example, enables computers to read text, hear voice, analyse it, gauge sentiment, and identify which bits are significant. Symbolic AI uses human-readable symbols that represent real-world entities or concepts. Logic is applied in the form of an IF-THEN structure embedded into the system by humans, who create the rules. This hard coding of rules can be used to manipulate the understanding of symbols.

A subfield of artificial intelligence and linguistics, NLP provides the advanced language analysis and processing that allows computers to make this unstructured human language data readable by machines. It can use many different methods to accomplish this, from tokenization, lemmatization, machine translation and natural language understanding. Natural language generation is another subset of natural language processing.

nlp and nlu

As businesses adopt NLP and NLU strategically, they can unlock a world of opportunities in the data-driven landscape of the future. To harness the full potential of these technologies and embark on your AI journey, talk to our experts at Softweb Solutions. NLP, NLU, and NLG all come under the field of AI and are used for developing various AI applications. Let us know more about them in-depth and learn about each technology and its application in the blog. Using symbolic AI, everything is visible, understandable and explained within a transparent box that delivers complete insight into how the logic was derived.

What are the Differences Between NLP, NLU, and NLG?

NLU algorithms often operate on text that has already been standardized by text pre-processing steps. Natural language processing and its subsets have numerous practical applications within today’s world, like healthcare diagnoses or online customer service. Using a set of linguistic guidelines coded into the platform that use human grammatical structures. However, this approach requires the formulation of rules by a skilled linguist and must be kept up-to-date as issues are uncovered. This can drain resources in some circumstances, and the rule book can quickly become very complex, with rules that can sometimes contradict each other. Natural Language Processing, or NLP, involves the processing of human language by a computer program to determine what its meaning is.

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