Ivan Reznikov, PhD – Medium

Ivan Reznikov, PhD

Featured Book

LangChain for Life Sciences and Healthcare: Innovation Through LLMs and Generative AI Agents

LangChain for Life Sciences and Healthcare: Innovation Through LLMs and Generative AI Agents

The book guides life science and healthcare professionals in using LangChain, LangGraph and generative AI, from fundamentals to building AI tools

2025

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LangChain 101 Course (updated)

LangChain 101 course sessions. All code is on GitHub. LLMs, Chatbots

Oct 13, 2023

LangChain 101 Course (updated)

Oct 13, 2023

May 2025 Generative AI Landscape: Pushing the Needle

May 2025 proved to be a period of intense activity and strategic announcements in generative AI. Jump in for the summary of the events.

May 24

May 2025 Generative AI Landscape: Pushing the Needle

May 24

Published in

Towards AI

LangChain 101: Part 3b. Talking to Documents: Embeddings and Vectorstores

The terms vectorstores and embeddings are gaining more and more popularity. As soon as the idea of integration of LLMs with our own data…

Feb 12, 2024

LangChain 101: Part 3b. Talking to Documents: Embeddings and Vectorstores

Feb 12, 2024

Published in

Towards AI

LangChain 101: Part 3a. Talking to Documents: Load, Split and simple RAG with LCEL

This is Part 3 of the Langchain 101 series, where we’ll discuss how to load data, split it, store data, and create simple RAG with LCEL

Feb 5, 2024

LangChain 101: Part 3a. Talking to Documents: Load, Split and simple RAG with LCEL

Feb 5, 2024

MSc Data Science Lecture Notes. L3: Data Structures and Algorithms — Part 1 of 2

Today we’ll look into data types as list, tuple, set, dictionary. We’ll compare queue, stack, linked list, trees, graphs and hashmaps.

Feb 5, 2024

MSc Data Science Lecture Notes. L3: Data Structures and Algorithms — Part 1 of 2

Feb 5, 2024

MSc Data Science Lecture Notes. L2: Introduction to Statistics — Part 1 of 2

Demystifying Statistics: A Comprehensive Journey into Data Types, Descriptive and Inferential Statistics, Means, Medians and Modes

Jan 28, 2024

MSc Data Science Lecture Notes. L2: Introduction to Statistics — Part 1 of 2

Jan 28, 2024

MSc Data Science Lecture Notes. L1: Introduction to Machine Learning

Master Degree in Data Science Insights: The Core of Machine Learning Explored

Jan 21, 2024

MSc Data Science Lecture Notes. L1: Introduction to Machine Learning

Jan 21, 2024

Data Science Christmas Crossword Puzzle

The 2023 is about to end. It was an exciting year from a Data Science and Machine Learning perspective. I've prepared a Christmas Crossword…

Dec 24, 2023

Data Science Christmas Crossword Puzzle

Dec 24, 2023

The Untold Drama: Why Sam Altman Was Fired from OpenAI

In this article, we’ll deeply dive into what led to Sam Altman being fired, why it happened, and what’s next with GhatGPT Plus, GPT4 and…

Nov 18, 2023

The Untold Drama: Why Sam Altman Was Fired from OpenAI

Nov 18, 2023

Published in

Towards AI

LangChain Cheatsheet — All Secrets on a Single Page

The onepager summarizes the basics of LangChain. LangChain cheatsheet includes llms, prompts, memory, indexes, agents, chains and colab…

Nov 15, 2023

LangChain Cheatsheet — All Secrets on a Single Page

Nov 15, 2023

Ivan Reznikov, PhD

Ivan Reznikov, PhD

Book Author

PhD, Principal Data Scientist, Teaching DS @ Middlesex University. TEDx, GITEX, PyCon. https://www.linkedin.com/in/reznikovivan/ https://github.com/IvanReznikov

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