Coze | 3 ways to reduce hallucination for your AI chatbot

Coze
1 May 202409:47

TLDRThe video transcript discusses strategies for reducing hallucinations in AI chatbots by enhancing their knowledge base. It suggests adding structured knowledge, such as a menu for a restaurant or bakery, through an interface. An Excel file format is recommended for its structured nature, which includes item names, pricing, images, and customer favorites. The transcript also highlights the importance of configuring the model's temperature to balance creativity and precision, with a suggestion to set it to around 0.3 for a balance between the two. It further explains the use of semantic search and adjusting the minimum matching degree to ensure the bot relies more on the knowledge base for accurate responses. The summary also touches on the ability to retrieve and display images from the knowledge base, emphasizing the need for specific instructions in the bot's prompt to achieve this functionality. The tips provided aim to make AI chatbots more reliable and to align their performance with user expectations.

Takeaways

  • 📚 Adding knowledge to your AI chatbot can reduce hallucinations by creating a knowledge base specific to the bot's purpose, such as a menu for a restaurant or bakery.
  • 🔍 You can upload structured data like an Excel file or CSV file to the knowledge base, which includes item names, pricing, images, and customer favorites.
  • 📈 Ensuring data types are correctly set (e.g., strings for item names, pricing, and images) and managing the CSV file content helps in maintaining the knowledge base's accuracy.
  • 📋 Choosing an index, such as the item name, helps the bot identify and retrieve specific items from the knowledge base.
  • 🔧 Adjusting the model configuration, including the temperature setting, can control the randomness of the bot's responses, making it more precise or creative as needed.
  • ⚙️ Lowering the temperature setting to a value like 0.3 can make the bot's responses more accurate by relying more on the knowledge base and less on random completions.
  • 🔗 Using the automatic call feature with a semantic search can help the bot retrieve relevant information from the knowledge base based on the context of the conversation.
  • 📉 Reducing the minimum matching degree increases the likelihood that the bot will refer to the knowledge base for answers, providing more accurate responses.
  • 🖼️ Including specific instructions in the bot's prompt, such as 'output image in this format,' allows the bot to retrieve and display images from the knowledge base.
  • 📈 Using structured formats like Excel for knowledge bases can lead to more accurate and reliable responses from the bot.
  • 🛠️ Optimizing the bot's settings, including the model's temperature and minimum matching degree, can significantly reduce hallucinations and improve user experience.

Q & A

  • What are some ways to reduce hallucinations in an AI chatbot?

    -There are three main ways to reduce hallucinations in an AI chatbot: adding knowledge to the bot, adjusting the model's temperature, and modifying the knowledge settings such as the minimum matching degree.

  • How can adding knowledge to the bot help reduce hallucinations?

    -Adding knowledge to the bot, such as a menu for a restaurant or bakery, provides a structured database that the bot can reference to give more accurate and relevant responses, thus reducing the likelihood of hallucinations.

  • What is the purpose of the 'temperature' setting in a model configuration?

    -The temperature setting controls the randomness of the bot's responses. A lower temperature results in more precise and accurate answers, while a higher temperature allows for more creativity but can lead to hallucinations.

  • How can an Excel file be used to add knowledge to an AI chatbot?

    -An Excel file can be uploaded to the bot's knowledge base, providing a structured format with item names, pricing, images, and other relevant information. This allows the bot to draw from a more accurate and detailed source when responding to queries.

  • What is the significance of the 'minimum matching degree' in knowledge settings?

    -The minimum matching degree determines how closely the bot must match the user's query to the knowledge base before drawing from it. A lower degree increases the likelihood that the bot will use the knowledge base to answer questions.

  • How can the bot retrieve specific images from the knowledge base?

    -The bot can retrieve specific images by including image URLs in the Excel file and using a prompt that instructs the bot to output images in a specific format. This allows the bot to provide visual responses to user queries.

  • Why is it important to structure the knowledge base in a specific way?

    -Structuring the knowledge base in a specific way, such as using an Excel file, ensures that the information is organized and easily accessible. This allows the bot to provide more accurate and relevant responses, reducing the chance of hallucinations.

  • What happens if a bot starts to 'go off the rails' during a conversation?

    -If a bot starts to 'go off the rails,' it may begin to discuss unrelated topics or provide inaccurate information. This can lead to confusion for the user and potentially cause problems for the business, such as incorrect orders or misinformation.

  • How can a business prevent a chatbot from causing issues like those experienced by the airline mentioned in the script?

    -Businesses can prevent issues by carefully configuring their chatbot's knowledge base, adjusting the temperature setting for precision, and setting the minimum matching degree to ensure the bot relies on its knowledge base for answers.

  • What is the role of a vector store or vector database in a chatbot's knowledge retrieval system?

    -A vector store or vector database is used to store and retrieve relevant queries or recommendations based on the context of the conversation. It helps the bot to find similarities and provide more accurate responses by searching through the structured knowledge base.

  • Why might a business choose to use semantic search in their chatbot's knowledge settings?

    -Semantic search is chosen to help the bot understand the context and intent behind a user's query, allowing it to retrieve more relevant and accurate information from the knowledge base. This is particularly useful when the bot needs to provide recommendations or detailed information about specific items.

  • How can a business ensure that their chatbot is providing a reliable and expected user experience?

    -A business can ensure a reliable user experience by implementing a structured knowledge base, adjusting the model's temperature for precision, setting the minimum matching degree appropriately, and regularly updating and maintaining the knowledge base to reflect current information.

Outlines

00:00

📚 Adding Knowledge to a Bot for Improved Accuracy

This paragraph explains how to enhance a bot's functionality by adding a knowledge base, specifically for a restaurant or bakery ordering assistant. The process involves creating a new knowledge base called 'menu' and populating it with items, pricing, and images from an Excel file. The speaker also discusses verifying data types and setting an index for each item. The bot can then use this knowledge base to provide accurate responses to questions about the menu. Additionally, the paragraph addresses the issue of 'hallucinations' in AI, where the bot may provide unrelated or incorrect information, and suggests adjusting the model's temperature to strike a balance between creativity and precision.

05:03

🔍 Enhancing Bot Reliability with Knowledge Settings

The second paragraph delves into methods for refining a chatbot's responses to be more reliable and to reduce 'hallucinations'. It emphasizes using knowledge bases, particularly structured formats like Excel, to ensure precision. The paragraph also covers adjusting the model's temperature for more reliable customer service interactions and modifying the knowledge settings, specifically the minimum matching degree, to increase the likelihood of the bot drawing from its knowledge base. The speaker provides a practical example of how the bot can recommend popular items and retrieve images from the knowledge base, suggesting the use of specific prompts to enable image output. Finally, the paragraph recaps three tips for improving bot reliability: using knowledge, adjusting the model's temperature, and lowering the minimum matching degree.

Mindmap

Keywords

💡Hallucination

In the context of AI chatbots, 'hallucination' refers to the generation of responses that are not based on the provided knowledge or context, but rather on the AI's own internal patterns or 'guesses'. This can lead to inaccurate or irrelevant information being given to users. The video discusses methods to reduce such occurrences to improve the reliability of the chatbot.

💡Knowledge Base

A 'knowledge base' is a structured collection of information that an AI chatbot can use to respond to queries. In the video, it is shown how to create and add a knowledge base, such as a menu for a bakery, to ensure the bot provides accurate information based on the data it has been fed.

💡Excel File

An 'Excel file' is a type of spreadsheet document used for organizing, analyzing, and storing data in a table format. The video demonstrates how to upload an Excel file containing structured data (like item names, pricing, and images) to a knowledge base, which the AI chatbot can then use to provide more accurate responses.

💡Data Types

In the context of the video, 'data types' refer to the classification of data into its type, such as string, numeric, or boolean. Correctly identifying data types is crucial for the AI to process and use the information correctly from the knowledge base, as shown when configuring the fields for the menu items.

💡Model Configuration

This term pertains to the settings and parameters that define how an AI model behaves. In the video, adjusting the 'temperature' of the model is discussed as a way to control the randomness of the AI's responses, making it more precise or creative as needed.

💡Temperature

In AI, 'temperature' is a hyperparameter that controls the randomness of the model's output. A lower temperature results in more deterministic, predictable responses, while a higher temperature allows for more varied and creative outputs. The video explains how adjusting the temperature can reduce hallucinations in AI chatbot responses.

💡Semantic Search

'Semantic search' is a method of searching that focuses on the meaning and intent behind the search query rather than just the words used. In the video, it is used to ensure the AI chatbot retrieves relevant information from the knowledge base based on the context of the conversation.

💡Minimum Matching Degree

The 'minimum matching degree' is a setting that determines how closely a query must match the information in the knowledge base for the AI to use that information. Lowering this degree, as shown in the video, increases the likelihood that the AI will draw from its knowledge base to answer questions.

💡Vector Store/Database

A 'vector store' or 'vector database' is a type of database that stores and retrieves data as vectors, which are mathematical representations of information. In the context of the video, it is used to facilitate semantic search, allowing the AI to find and recommend items based on their similarity to the user's query.

💡Image Retrieval

This refers to the process of fetching and displaying images from a database or knowledge base in response to a query. The video shows how the AI chatbot can retrieve and display images of menu items, like croissants, from the uploaded Excel file, enhancing the user's interaction with the bot.

💡Structured Data

'Structured data' is highly-organized information that is easily searchable in a database because it is stored in a predictable format. The video emphasizes the importance of using structured data, such as that found in Excel files, to improve the accuracy and reliability of an AI chatbot's responses.

Highlights

Adding knowledge to your AI chatbot can reduce hallucinations.

Creating a knowledge base for your bot, such as a menu for a restaurant or bakery, can improve accuracy.

You can add units to the knowledge base and upload local files like Excel or CSV.

The Excel file should contain item names, pricing, image URLs, and customer favorites.

Managing the CSV file allows for data type checks and customization of the knowledge base.

Choosing an index for each item in the knowledge base helps the bot identify and retrieve information.

Adjusting the model's temperature can control the randomness and precision of the bot's responses.

Lowering the temperature setting can lead to more precise and reliable answers from the bot.

Using the bot's knowledge base can prevent it from providing incorrect information due to hallucinations.

Semantic search in the knowledge settings can help the bot retrieve relevant information based on the context.

The minimum matching degree can be adjusted to increase the likelihood of the bot using its knowledge base.

The bot can return images from the knowledge base if the Excel file includes image URLs.

Using specific prompts can instruct the bot to follow certain actions, such as displaying images.

Three tips for reducing hallucinations in AI chatbots include using knowledge, adjusting the model's temperature, and setting the minimum matching degree.

Structured formats like Excel are preferred for adding knowledge due to their accuracy and ease of use.

The bot's performance can be optimized by configuring its knowledge settings and model parameters.