Developer Blogs Archive

The Future of Knowledge Graph: Will Structured and Semantic Search Become One?

Fanghua Yu, Field Engineer, Neo4j Apr 25 11 mins read

What LLM & Graph May Bring to the Future of Knowledge GraphsNight light at Federation Square in Melbourne, photo by AuthorAbstractIn the last several decades, when people consider building a knowledge-related solution, they tend to look into two distinct directions based… Read more →

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Entity Resolved Knowledge Graphs: A Tutorial

Paco Nathan, Managing Partner, Derwen.ai Apr 22 21 mins read

Learn how to use Neo4j and Senzing to build entity resolved knowledge graphs that remove duplicate data and improve analytics accuracy. Read more →

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Using LLMs to build knowledge graphs from unstructured text.

Constructing Knowledge Graphs From Unstructured Text Using LLMs

Noah Mayerhofer, Software Engineer, Neo4j Apr 19 5 mins read

In this blog post, we will explore extracting information from unstructured data to construct a knowledge graph. Read more →

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LangChain Library now supports Neo4j vector index.

LangChain Library Adds Full Support for Neo4j Vector Index

Tomaž Bratanič, Graph ML and GenAI Research, Neo4j Apr 16 5 mins read

Learn how to use LangChain and Neo4j vector index to build a simple RAG application that can effectively answer questions. Read more →

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Maximizing Your Neo4j Project’s Potential: An In-depth Guide to Solution Assessment

Chunyu Wilson, Consulting Engineer at Neo4j Apr 11 3 mins read

To help you make the most of your Neo4j graph database project, Neo4j Professional Services offers a special Solution Assessment service. Read more →

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Graph Data Models for RAG Applications

Alex Gilmore, Consulting Engineer, Neo4j Apr 09 6 mins read

Learn when to use graph data models, like parent-child, question-based, and topic-summary, for RAG applications powered by knowledge graphs. Read more →

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Enhancing RAG with Neo4j Cypher and Vector Templates Using LangChain Agents

Saurav Joshi, Data Scientist Apr 04 11 mins read

Combining Neo4j knowledge graphs, vector search, and Cypher LangChain templates using LangChain agents for enhanced information retrieval. Read more →

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Enhancing the Accuracy of RAG Applications With Knowledge Graphs

Tomaž Bratanič, Graph ML and GenAI Research, Neo4j Mar 30 8 mins read

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

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Introduction to Vector Indexes and Unstructured Data – New GraphAcademy Course

Martin O’Hanlon, Technical Curriculum Developer, Neo4j Mar 30 2 mins read

Learn how Neo4j can help you make sense of your unstructured data. Enroll in this new free course on GraphAcademy.There’s a new course on GraphAcademy: Introduction to Vector Indexes and Unstructured Data.This course teaches you to understand unstructured data using… Read more →

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Knowledge graphs & LLMs for multi-hop question answering.

Knowledge Graphs & LLMs: Multi-Hop Question Answering

Tomaž Bratanič, Graph ML and GenAI Research, Neo4j Mar 28 10 mins read

Learn how to retrieve information that spans across multiple documents through multi-hop question answering using knowledge graphs and LLMs. Read more →

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Cypher Sleuthing: How to Find Property Data Types in Neo4j

Jennifer Reif, Developer Relations Engineer at Neo4j Mar 25 5 mins read

Learn how to find the data types of properties in Neo4j Graph Database using the Cypher query language and APOC. Read more →

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Announcing Neo4j JDBC Driver Version 6

Michael Simons, Senior Staff Software Engineer, Neo4j Mar 25 9 mins read

We’re excited to announce Neo4j JDBC Driver version 6. It integrates graph databases with platforms and tools in the Java ecosystem. Read more →

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Needle StarterKit 2.0: Templates, Chatbot, and More!

Morgan Sénéchal, Principal Consultant, Neo4j Mar 20 3 mins read

Needle Starterkit 2.0, a library that simplifies your Neo4j front-end development, introduces new features like templates, chatbot, and more. Read more →

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Accelerate Neo4j App Development With Low-Code Keymaker Framework

Snehal Maid, Solutions Engineer, Neo4j Mar 20 5 mins read

How to use the Keymaker framework to build low-code analytical query pipelines and APIs, accelerating Neo4j application development. Read more →

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Cypher Workbench as a Neo4j Labs Project

Eric Monk, Solutions Engineer, Neo4j Mar 18 5 mins read

Cypher Workbench is a set of tools that helps you conceptualize, model, and work with graphs and the Cypher query language. Read more →

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Generative Transformation from ER Diagram to Graph Model Using Google’s Gemini Pro

Fanghua Yu, Field Engineer, Neo4j Mar 13 8 mins read

Learn how to use GenAI to transform an ER diagram into assets of a property graph model stored in Neo4j easily with Google's Gemini Pro. Read more →

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Using a Knowledge Graph to Implement a RAG Application

Tomaž Bratanič, Graph ML and GenAI Research, Neo4j Mar 12 9 mins read

Learn how to implement a knowledge graph-based RAG application with LangChain to support your DevOps team. Read more →

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How to implement advanced RAG strategies with Neo4j

Implementing Advanced Retrieval RAG Strategies With Neo4j

Tomaž Bratanič, Graph ML and GenAI Research, Neo4j Mar 12 7 mins read

In this blog, you will learn how to use the neo4j-advanced-rag template in LangServe Playground to implement advanced RAG strategies. Read more →

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Implementing RAG: How to Write a Graph Retrieval Query in LangChain

Jennifer Reif, Developer Relations Engineer at Neo4j Mar 05 6 mins read

Learn how to write graph retrieval queries that supplement or ground the LLM’s answer for your RAG application, using Python and Langchain. Read more →

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Clustering Large Graphs With CLARANS

Nathan Smith, Senior Data Scientist at Neo4j Feb 29 13 mins read

CLARANS extend k-medoids to larger datasets than were practical with earlier k-medoid algorithms, which is ideal for clustering large graphs. Read more →

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