Building your own Rule-Based Conversational Chatbot

22 set 2022

rule based chatbot python

These advancements have led us to an era where conversations with chatbots have become as normal and natural as with another human. Before looking into the AI chatbot, learn the foundations of artificial intelligence. A chatbot enables businesses to put a layer of automation or self-service in front of customers in a friendly and familiar way.

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This is the 12th article in my series of articles on Python for NLP. In the previous article, I briefly explained the different functionalities of the Python’s Gensim library. Until now, in this series, we have covered almost all of the most commonly used NLP libraries such as NLTK, SpaCy, Gensim, StanfordCoreNLP, Pattern, TextBlob, etc.

Evolution Of Chatbots

Conversational AI can handle more tasks for the digital marketer. It manages and analyzes customer data to identify potential clients. Many online websites spend a huge amount of money on customer relationship management systems to identify and nurture leads for the business. Conversational AI lessens this load by executing efficient marketing strategies. E-commerce websites are optimizing their landing pages with technologies to invite more website visitors. A Chatbot is one of those advanced technologies increasingly attracting the attention of online business owners.

How do you make a chat system in Python?

  1. For receiving the message, we can use the socket. recv() method.
  2. We can close the connection using the socket. close() method.
  3. We can run a loop and accept messages and if a new request comes then we can append the user in the clients set.

When a user enters a query, the query will be converted into vectorized form. All the sentences in the corpus will also be converted into their corresponding vectorized forms. Next, the sentence with the highest cosine similarity with the user input vector will be selected as a response to the user input.

Define Chatbot with Artificial Intelligence – Conversational AI

Corpus means the data that could be used to train the NLP model to understand the human language as text or speech and reply using the same medium. The corpus is usually huge data with many human interactions . An important step here is to to classify user’s question into an intent to identify the purpose of the question. For example, the intent of these questions, “describe yourself”, “explain yourself”, “identify you”, would be “about chatbot”. Okay, now that we finished the patterns and responses, let’s take a look at something called reflections.

rule based chatbot python

Known as NLP, this technology focuses on understanding how humans communicate with each other and how we can get a computer to understand and replicate that behavior. It is expected that in a few years chatbots will power 85% of all customer service interactions. AI-based chatbots can answer complex questions with machine learning technology. Chatbots with artificial intelligence understand the user intent without delay. Artificial intelligence and machine learning technologies in chatbots overcome the sales obstacles in the conversation. AI chatbots ease the difficult process of scheduling meetings to reduce the obstacles by recommending products with upselling and cross-selling strategies.

Build Chatbots with Python

Dive in for free with a 10-day trial of the O’Reilly learning platform—then explore all the other resources our members count on to build skills and solve problems every day. One is to use the built-in module called threading, which allows you to build a chatbox by creating a new thread for each user. Another way is to use the ‘tkinter’ module, which is a GUI toolkit that allows you to make a chatbox by creating a new window for each user. Here the generate_greeting_response() method is basically responsible for validating the greeting message and generating the corresponding response. And for google Colab use the below command, mostly flask comes pre-install on google colab. First of all, we will install the flask library in our system using the below command.

  • For instance, a task-oriented chatbot can answer queries related to train reservation, pizza delivery; it can also work as a personal medical therapist or personal assistant.
  • You can converse with chatbots the same way you would have a conversation with another person.
  • In chatbots design, an intent is the purpose or category of the user query.
  • Intentions are usually terms, which are the actual subject or motive behind a sentence given.
  • Machine learning is a subset of artificial intelligence in which a model holds the capability of…
  • For example, for ‘Hi There’ in our training data set tag is ‘greeting’.

In the following tutorial, we will understand the chatbot with the help of the Python programming language and discuss the steps to create a chatbot in Python. A rule-based chatbot works with the data set that you induce in the bot. With the set of rules in the rule-based chatbot, you can manipulate the conversation.

How to Develop a Chatbot: a Step-by-Step Guide

Additional great advice is to include words such as “Sure,” “Got it,” and, “Thank you” to make your future chatbot sounds like a human. These chatbots are powered by AI (Artificial Intelligence)They provide a more positive user experience since they interact with customers in a human-like way. Their work is not fully automated, and they need human intervention to be able to answer specific customer inquiries. JavaScript is a popular programming language that is widely used for web development. It is the language of the web and can be used to create interactive web pages and web applications. JavaScript can also be used to create chatbots, and there are several frameworks and libraries available that make chatbot development easier and faster.

  • Online shoppers find them handy when it comes to selecting products, receiving customer service and more.
  • The bot created using this library will get trained automatically with the response it gets from the user.
  • You can easily expand the functionality of this chatbot by adding more keywords, intents and responses.
  • In this second part of the series, we’ll be taking you through how to build a simple Rule-based chatbot in Python.
  • However, there are some disadvantages to consider in conversational AI.
  • An Artificial Intelligence bot will converse with the customers by linking one question to another.

The first chatbot named ELIZA was designed and developed by Joseph Weizenbaum in 1966 that could imitate the language of a psychotherapist in only 200 lines of code. But as the technology gets more advance, we have come a long way from scripted chatbots to chatbots in Python today. Conversational AI chatbots for eCommerce have several features that create a 20% to 40% lift in revenue when customers converse with Ochatbot.

Diversity Of Python Programming

Moreover, all the user groups should use a chatbot without a need to learn anything. The team could improve the chatbot conversational UI by offering interactive buttons, carousels, message menus, and cards. Such elements also provide customers with the better presence of the necessary information. As we said, the conversational interface deals with a conversation of a chatbot with your online shop customers.

  • ChatterBot is a library in python which generates responses to user input.
  • In this article, I will show you how to create a simple and quick chatbot in python using a rule-based approach.
  • Before we start with the tutorial, we need to understand the different types of chatbots and how they work.
  • A chatbot is an AI-based software that comes under the application of NLP.
  • While a rule-based chatbot has a limited set of functions and questions, an AI chatbot develops a growing collection of understanding and knowledge.
  • The data file is in the JSON format, so we used the json package to read the JSON file into Python.

A chatbot is a piece of software or a computer program that mimics human interaction via voice or text exchanges. More users are using chatbot virtual assistants to complete basic activities or get a solution addressed in business-to-business (B2B) and business-to-consumer (B2C) settings. The final and most crucial step is to test the chatbot for its intended purpose. Even though it’s not important to pass the Turing Test the first time, it must still be fit for the purpose.


Below we share the most popular tasks performed by a chatbot on e-commerce websites. Please read it and pick the most useful one for your future chatbot feature list. For that, you can use one of the bot engines such as Chatfuel or Rebotify that work on a subscription basis. However, for a custom-made chatbot, you will need to hire a chatbot development company. The Nike chatbot allows users to create unique shoe styles and share them with friends on Facebook.

rule based chatbot python

In this second part of the series, we’ll be taking you through how to build a simple Rule-based chatbot in Python. Before we start with the tutorial, we need to understand the different types of chatbots and how they work. There is no single answer, since the cost of a chatbot development depends on chatbot features, the number of integrations, the design and the complexity of a training process. The approximate cost of a custom chatbot development could vary from $25,000 to $60,000.

Machine Learning Solutions by Jalaj Thanaki

But due to Youtube’s constantly changing its source codes this sometimes generates errors. Here we will first tokenize the statement and then tag parts of speech. Now, If it is a question there will be a question mark or it will have a ‘wh’ term. If these characteristics are detected then the statement is classified as a query and corresponding actions are taken.

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Then it generates a pickle file in order to store the objects of Python that are utilized to predict the responses of the bot. According to the recent PSFK research, 74 percent of customers prefer conversational AI for online interaction. Artificial Intelligence bot acts quickly by linking customers’ previous questions to new ones. An AI chatbot not only gives options for customers to choose from, but they also interact much in the same way as a human agent by resolving issues quickly.

How do you make a custom chatbot in Python?

  1. Demo.
  2. Project Overview.
  3. Prerequisites.
  4. Step 1: Create a Chatbot Using Python ChatterBot.
  5. Step 2: Begin Training Your Chatbot.
  6. Step 3: Export a WhatsApp Chat.
  7. Step 4: Clean Your Chat Export.
  8. Step 5: Train Your Chatbot on Custom Data and Start Chatting.

How do you make a rule-based chatbot in Python?

Building a chatbot. This very simple rule based chatbot will work by searching for specific keywords in inputs given by a user. The keywords will be used to understand what action the user wants to take (user's intent). Once the intent is identified, the bot will then pick out a response appropriate to the intent.



Ricardo Waknin

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