Tomaz Bratanic – Medium

Tomaz Bratanic
in
Neo4j Developer Blog

Graph-based Metadata Filtering for Improving Vector Search in RAG Applications

Optimizing vector retrieval with advanced graph-based metadata techniques using LangChain and Neo4j.

11 min readApr 29, 2024

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Graph-based Metadata Filtering for Improving Vector Search in RAG Applications

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Tomaz Bratanic
in
Neo4j Developer Blog

Enhancing the Accuracy of RAG Applications With Knowledge Graphs

A practical guide to constructing and retrieving information from knowledge graphs in RAG applications with Neo4j and LangChain

8 min readMar 30, 2024

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Enhancing the Accuracy of RAG Applications With Knowledge Graphs

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Tomaz Bratanic
in
Neo4j Developer Blog

JSON-based Agents With Ollama & LangChain

Learn to implement a Mixtral agent that interacts with a graph database Neo4j through a semantic layer

8 min readFeb 28, 2024

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JSON-based Agents With Ollama & LangChain

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Tomaz Bratanic

Crowdsourcing Text2Cypher dataset

Contribute to the development of a text2cypher dataset for evaluation and fine-tuning of LLMs

5 min readJan 25, 2024

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Crowdsourcing Text2Cypher dataset

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Tomaz Bratanic
in
Towards Data Science

Evaluating LLMs in Cypher Statement Generation

Step-by-step tutorial for assessing the accuracy of generated Cypher Statements

9 min readJan 19, 2024

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Evaluating LLMs in Cypher Statement Generation

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Tomaz Bratanic
in
Towards Data Science

Enhancing Interaction between Language Models and Graph Databases via a Semantic Layer

Provide an LLM agent with a suite of robust tools it can use to interact with a graph database

11 min readJan 18, 2024

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Enhancing Interaction between Language Models and Graph Databases via a Semantic Layer

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Tomaz Bratanic
in
LlamaIndex Blog

Multimodal RAG pipeline with LlamaIndex and Neo4j

Retrieve and combine information from text and images to generate an accurate response with multimodal LLMs

6 min readDec 18, 2023

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Multimodal RAG pipeline with LlamaIndex and Neo4j

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Tomaz Bratanic
in
Neo4j Developer Blog

Implementing Advanced Retrieval RAG Strategies With Neo4j

Go beyond typical RAG strategies

6 min readNov 17, 2023

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Implementing Advanced Retrieval RAG Strategies With Neo4j

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Tomaz Bratanic

How to implement Weaviate RAG applications with Local LLMs and Embedding models

Develop RAG applications and don’t share your private data with anyone!

5 min readOct 30, 2023

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How to implement Weaviate RAG applications with Local LLMs and Embedding models

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Tomaz Bratanic

Constructing knowledge graphs from text using OpenAI functions

Seamlessy implement information extraction pipeline with LangChain and Neo4j

11 min readOct 20, 2023

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Constructing knowledge graphs from text using OpenAI functions

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Tomaz Bratanic

Tomaz Bratanic

Data explorer. Turn everything into a graph. Author of Graph algorithms for Data Science at Manning publication. http://mng.bz/GGVN

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