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Conversational Automation

Bot essentials 15: NLP implementations in chatbots - 1

Anwesh Roy
.
Nov 23
.

Table of contents

Key takeawaysCollaboration platforms are essential to the new way of workingEmployees prefer engati over emailEmployees play a growing part in software purchasing decisionsThe future of work is collaborativeMethodology

Conversations between a human and a chatbot have a distinct style. Typically humans use short phrases, short sentences, sometimes just a single word, question like sentences, with or without proper context and lowercase in most cases when seeking answers from a chatbot. This is where we talk about NLP implementations in chatbots.

NLP implementations in chatbots

The number of variations could be as much as the number of users interacting with the chatbot. This is true because everyone has a distinct style of conversing.

For a Retrieval chatbot, users interact with a chatbot in a question-answer mode to get information on various topics. Say for example, a customer service chatbot, or a sales enquiry chatbot. Reference documents having questions with answers cover various topics.

Users may have minimal to no information on the topics and may use an inquiry style to ask a high-level question and drill down with follow up questions based on responses.

Sometimes they may start with a sentence..

.. that carries the context and then asks follow up questions without the context. It is not necessary to follow this style. While a short phrase as a message could mean a proxy question.

Users can jump back and forth among various topics or may continue a threaded conversation. Based on the language comfort level of the user the words and phrases will widely differ.

There is also the case of out of vocabulary (OOV). This implies that users may choose to use a word that is not available in the vocabulary of the chatbot.

A large variety of human interactions

Given the widespread variety of ways in which humans interact with a chatbot, it is extremely challenging to discover and nail down the exact answer that matches the expectation of the user.

After we have enough data representing the overall user base of a chatbot, we have a good chance of using supervised machine learning algorithms to train the chatbot to handle all representative conversations. However chances are that any new chatbot that is built will not have this data upfront. This is a cold start problem and is widely prevalent. Or the data is not enough to get good accuracy from supervised techniques.

Thus, using a hybrid approach of using a mix of supervised and unsupervised techniques may be a good solution to start with.

Read about Bot Essentials 16, which is the continuation of this blog in part 2

The future of customer support is AI-enabled chatbots backed by NLP implementation! Register today with Engati and take a chatbot demo now!


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Anwesh Roy

Andy is the Co-Founder and CIO of SwissCognitive - The Global AI Hub. He’s also the President of the Swiss IT Leadership Forum.

Andy is a digital enterprise leader and is transforming business strategies keeping the best interests of shareholders, customers, and employees in mind.

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Bot essentials 15: NLP implementations in chatbots - 1

Anwesh Roy
|
4
min read

Conversations between a human and a chatbot have a distinct style. Typically humans use short phrases, short sentences, sometimes just a single word, question like sentences, with or without proper context and lowercase in most cases when seeking answers from a chatbot. This is where we talk about NLP implementations in chatbots.

NLP implementations in chatbots

The number of variations could be as much as the number of users interacting with the chatbot. This is true because everyone has a distinct style of conversing.

For a Retrieval chatbot, users interact with a chatbot in a question-answer mode to get information on various topics. Say for example, a customer service chatbot, or a sales enquiry chatbot. Reference documents having questions with answers cover various topics.

Users may have minimal to no information on the topics and may use an inquiry style to ask a high-level question and drill down with follow up questions based on responses.

Sometimes they may start with a sentence..

.. that carries the context and then asks follow up questions without the context. It is not necessary to follow this style. While a short phrase as a message could mean a proxy question.

Users can jump back and forth among various topics or may continue a threaded conversation. Based on the language comfort level of the user the words and phrases will widely differ.

There is also the case of out of vocabulary (OOV). This implies that users may choose to use a word that is not available in the vocabulary of the chatbot.

A large variety of human interactions

Given the widespread variety of ways in which humans interact with a chatbot, it is extremely challenging to discover and nail down the exact answer that matches the expectation of the user.

After we have enough data representing the overall user base of a chatbot, we have a good chance of using supervised machine learning algorithms to train the chatbot to handle all representative conversations. However chances are that any new chatbot that is built will not have this data upfront. This is a cold start problem and is widely prevalent. Or the data is not enough to get good accuracy from supervised techniques.

Thus, using a hybrid approach of using a mix of supervised and unsupervised techniques may be a good solution to start with.

Read about Bot Essentials 16, which is the continuation of this blog in part 2

The future of customer support is AI-enabled chatbots backed by NLP implementation! Register today with Engati and take a chatbot demo now!


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