5-Langchain Series-Advanced RAG Q&A Chatbot With Chain And Retrievers Using Langchain

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In this video we will be building advanced RAG Q&A chatbot with chain and retrievers using langchain
A retriever is an interface that returns documents given an unstructured query. It is more general than a vector store. A retriever does not need to be able to store documents, only to return (or retrieve) them. Vector stores can be used as the backbone of a retriever, but there are other types of retrievers as well.
Chains refer to sequences of calls - whether to an LLM, a tool, or a data preprocessing step. The primary supported way to do this is with LCEL.
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Suggestion : It would be really helpful for viewers and Data Science communities : if next you can make a video on chatbot(maybe chainlit ui) to chat with pdf using langchain any llm(openai/ollama) as a next step, only thing is chatbot should remember chat history(maybe use langchain memories component) so if my first question is : Who is Sachin Tendulkar? and the next follow up question is What is his place of birth? so chatbot should automatically infer that his -> means Sachin Tendulkar. Thanks in Advance.

sks_DS
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your videos are too good Krish. If some points are not understood and when I again check back I can get and relate what you are explaining. Thanks for all these very useful videos

venkatkrishnan
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I failed an interview today just because i dont know how retrievers works, Thankyou so much for this conceptual learning. Much appreciated. Thanks.

shashankpandey
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followed all the 5 videos in less than 24 hrs. Now gotta looks at the documentation for retrieving from multiple documents.

koyzkjo
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Your new look reminds me of 70's bollywood villain called 'Shetty' (Rohit Shetty's father) LOL 🤣😛😁 . But in real life you are a hero !!! 🙏

NoDoglapan
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You are a gem @krishnaik Sir, i read langchain from multiple platforms but u made it so simple. Now I have more interest on this topic🙂

SantK
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Great hair cut! It suits you! Absolutely love your videos -- they have been very helpful so far! You're an outstanding teacher!

vos
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If I could I would have liked this series 1000s time, you are awsome person man, I wish you all the very best for the kind work you are doing, Just love you man, big fan

zishankhan
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Krish ji, you are looking like Sakal...jokes apart great video and good learning content ..

omsundaram
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Just an awesome explanation. Love you bro. Make more videos for us.

abutareqrony
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awesome !! so clear. A natural born teacher !

AsmaaHANINE-sj
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Great videos Krish. You know exactly how to present and make us understand. Are there any specific videos on LangChain Agent ?

AvisekSwain-rv
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Will check for different document loaders, mainly the microsoft one :)

venkatkrishnan
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Hi Krish. Thank you so much for your amazing content. These videos have really been helping me in my GenAI journey.
I am stuck in one place though
I want to use an output parser -(eg a on the output. But I am not able to do that. Tried a lot of different methods to solve this, but, but not able to debug .
If possible, could you please guide how this may be done?
Thank you so much in advance.

phuloriavivek
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Looking funny man. Love from Lahore Pakistan

hamidraza
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waited for a lifetime to get a
my specs are 8gb ram
i5 12th

will i get some output

arjunraj
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Very helpful Video, can you make a video on how to load multiple pdf files to create RAG pipeline and connect with azure openai, its will be very useful, currently you are handling with only file.

nandinimatamacedatascince
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Hi krish, will you create a new episode on usage of various types of retrieval chains? You used retrievalqa in your earlier episode, then bappy did use different retrievar in his episode. Could you provide us a list of scenarios to use specific functions? 😅

summa
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Can we use LECL to implement these? It would be helpful if you could show how to use LECL in your future videos also.

sandeeppvn
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Thanks for the video, could you also please add some topics for RAG -> Qdrant, LLamaindex Parser, Nomic-embeding text

SantK