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Curso de Azure Cognitive Services

Curso de Azure Cognitive Services

Luis Antonio Ruvalcaba S谩nchez

Luis Antonio Ruvalcaba S谩nchez

Conoce a LUIS

21/27
Resources

What is the Luis language understanding service?

The language understanding service, known as Luis (Language Understanding Intelligent Service), is an advanced artificial intelligence tool designed to interpret and analyze human language. It works by identifying intentions and extracting entities from phrases or sentences, making it easier for developers to create accurate and effective models for their applications. Luis is widely used in the development of bots, enabling more natural interaction with users.

The relevance of Luis lies in its ability to simplify natural language processing, allowing applications to better understand users' intent from text inputs. This service is a key enabler for anyone looking to create more fluid and dynamic conversational experiences, without the need to rely on complex machine learning algorithms or regular expressions.

How does Luis work?

Luis is based on training models to identify user intentions and entities within sentences. This is achieved through the following essential steps:

  1. Model definition: the first step is to define what is the domain of the application and the actions it can perform. This involves establishing the main intentions and the corresponding entities that will be recognized by the model.

  2. Training the model: Sample statements are provided to teach the model to recognize text patterns. This involves correctly identifying intentions and extracting specific entities from the sentences entered by users.

  3. Testing and optimization: After training, the model is tested to evaluate its ability to classify and determine intentions. This phase is crucial to fine-tune the model, improving its accuracy through feedback and modification of examples.

  4. Publication and integration: Once the model is optimized, it can be published and integrated into various environments, such as console applications or web services, using the bot framework and other related services.

  5. Continuous monitoring and learning: The performance of the model in production is tracked to identify new intentions or phrases that may require adjustments, thus ensuring its continuous improvement and adaptation to users' changing needs.

What are the key components of Luis?

Luis is composed of several key elements that facilitate its operation:

  • Statements: These are the input texts provided that can be up to five hundred characters long. These statements help train the model and form the basis for intent recognition and entity extraction.

  • Intentions: They represent the purpose or goal that a user wants to achieve through their interaction. The application design should consider these intentions to provide a useful and relevant experience to the user.

  • Entities: Relevant properties or information within a text that complement an intent. For example, when identifying the intent "book a flight", entities could include the destination, date and time of the proposed flight.

What are the usage scenarios where Luis stands out?

Luis is primarily used in bot development, but can also be integrated into other applications to improve their understanding and responsiveness. Some examples of usage scenarios include:

  • Interaction with voice assistants: enabling IoT devices to understand and respond to voice commands effectively.
  • Customer service automation: Replacing traditional phone menus, Luis provides flexibility. Users can type or speak freely, and the system interprets the underlying meaning of their messages.
  • Product and service search applications: Luis makes it easy to identify specific products, such as "search for a thirty dollar wireless mouse," by returning accurate information about the requested item.

How to ensure security and privacy in the use of Luis?

Security and privacy are critical considerations for Luis. The service implements strict measures to ensure that user data is protected. There are options to regenerate compromised subscription keys and limit access through specific virtual networks, ensuring that personal information and model data is safeguarded against unauthorized access.

What is the life cycle of a Luis application?

The life cycle of a Luis application follows a structured sequence that ensures its effectiveness:

  1. Planning: Defines the actions and domain of the application, establishing the possible interaction limits for users.

  2. Construction: Develops and adjusts the intentions and entities through clear and coherent examples.

  3. Testing and improvement: Evaluates model accuracy in EQA scenarios, refining answers and adjusting misclassifications.

  4. Publishing and integration: Deploys the model in staging or production environments, integrating it with platforms such as the bot framework.

  5. Continuous monitoring: Implements tools such as application insights to observe the behavior of the model. Invites constant review and improvement of the model to adapt to new trends in questions and user needs.

Luis is, without a doubt, a powerful tool to understand and anticipate user intentions, facilitating more fluid and efficient interactions in any application or service that wishes to incorporate conversational artificial intelligence.

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Importante

LUIS se retirar谩 el 1 de octubre de 2025. Adem谩s, a partir del 1 de abril de 2023, ya no se podr谩n crear recursos de este servicio. Se recomienda migrar las aplicaciones de LUIS al reconocimiento del lenguaje conversacional para aprovechar el soporte continuo del producto y las capacidades multiling眉es.

Que padre, el profe Luis hablando sobre LUIS, como anillo al dedo.

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