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Exploring Graphs with Elixir

Explore graph data structures with Elixir, including native vs. external databases, querying with Cypher, Gremlin, and SPARQL, and transforming data between graph models for efficient data management.

Intermediate

120 Lessons

35h

Certificate of Completion

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Explanations

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Explanations

This course includes

174 Playgrounds

10 Quizzes

Course Overview

What You'll Learn

Course Content

Recommendations

Course Overview

Graph data structures are quite intuitive and highly flexible. They’re used to conduct queries in databases and interconnect entities in data networks. Elixir, with its power of concurrency and data- and graph-aware packages, is the perfect language to explore graph data structures. In this course, you’ll learn basic graph data structures and build a simple graph model. Next, you’ll build a testbed umbrella application to compare native graph structures with external databases. You’ll also learn to query g...Show More

Graph data structures are quite intuitive and highly flexible. They’re used to conduct queries in databases and interconnect ent...Show More

What You'll Learn

An understanding of the basic graph data structures

Hands-on experience building native graph structures in Elixir

Ability to use graph-aware packages in the Elixir ecosystem

Ability to harness the concurrency of Elixir for distributed data across data networks

Ability to generate queries for graph databases with Cypher, Gremlin, and GraphQL

Ability to perform queries for linked open data with SPARQL

Ability to process and transform data from one graph model to another

An understanding of the basic graph data structures

Course Content

Getting Started

2 Lessons

Get familiar with graph data structures in Elixir, their applications, and query optimization.

Introduction

Approach

Part I - Graphs Everywhere

6 Lessons

Get started with graph data structures in Elixir, creating and querying versatile networks.

Engage with Graphs

First Contact

Code a “Hello World” Graph

Model a Book Graph

Our Plan of Action

Wrap Up Graphs Everywhere

Getting Started with the Project

11 Lessons

Work your way through setting up an Elixir umbrella project, graph store, and service API.

Project Overview

Umbrella and Child Projects

Test an Umbrella Project

Package Graphs and Queries

Inspect the Structs

Build a Graph Store

Store Graphs and Queries

Listing

Graph Service API

Wrap Up Getting Started with the Project

Quiz on Getting Started with the Project

Part II - Getting to Grips with Graphs

12 Lessons

Break down complex ideas using libgraph for native graph management and visualization in Elixir.

Manage Graphs Natively with Elixir

NativeGraph Project

Directed Graph

Undirected Graph

Store Graphs in the Graph Store

Macros

Test Macros

Visualize Graphs

Render a Graph with Similar Node Labels

Render with OmniGraffle

Wrap Up Part II: Coming to Grips with Graphs

Quiz on Part II: Coming to Grips with Graphs

Exploring Graph Structures

7 Lessons

Deepen your knowledge of creating, modeling, and querying graphs with Elixir's libgraph.

A Worked Example

Explore the Example Graph

Model the Book Graph

Atoms for Node Values

Maps for Node Values

Generate Graphs

Wrap Up Exploring Graph Structures

Navigating Graphs with Neo4j

10 Lessons

Follow the process of managing Neo4j property graphs, including Cypher queries and bolt_sips integration.

Introduction to Neo4j

Property Graph Model

PropertyGraph Project

Query with Cypher and APOC

Try Out the Bolt Driver

Set up a Graph Service

API Demo

Service Contexts

Wrap Up Navigating Graphs with Neo4j

Quiz on Navigating Graphs with Neo4j

Querying Neo4j with Cypher

11 Lessons

Master querying Neo4j with Cypher for property graphs, book/ARPANET graphs, parameters, and schemas.

Introduction to Querying Property Graphs

Get Started with Cypher

First Queries with Cypher

Model the Book Graph

Query the Book Graph

Overview of the ARPANET

Model the ARPANET Graph

Pass Parameters to Queries

Schemas and Types in Cypher

Wrap Up Querying Neo4j with Cypher

Quiz on Querying Neo4j with Cypher

Graphing Globally with RDF

14 Lessons

Step through RDF for global data integration, modeling, vocabulary, API services, and querying.

Get Started with RDF

What’s Different About RDF?

RDF Model

RDFGraph Project

Model the Book Graph

Two Approaches to Modeling RDF

Add a Vocabulary for DC Elements

Add Vocabularies for BIBO Ontology

Use the Vocabularies to Build RDF Statements

Set Up a Graph Service

Graph and Query APIs

API Demo

Wrap Up Graphing Globally with RDF

Quiz: Graphing Globally with RDF

Querying RDF with SPARQL

9 Lessons

Discover querying RDF graphs with SPARQL using various forms and practical applications.

Get Started with SPARQL

Query the Local RDF Service: Major Query Forms

Query the Local RDF Service: Minor Query Forms

Case 1: Tokyo Metro

Query a Remote RDF Service

Case 2: Graph Walk (Querying)

Case 3: Graph Walk (Browsing)

Wrap Up Querying RDF with SPARQL

Quiz on Querying RDF with SPARQL

10.

Traversing Graphs with Gremlin

8 Lessons

Master Gremlin in Elixir for efficient graph querying and service setup.

Introduction to Gremlin

Use Gremlin

TinkerGraph Project

Query with Gremlin

Set up a Graph Service

Create the Book Graph

Wrap Up Traversing Graphs with Gremlin

Quiz on Traversing Graphs with Gremlin

11.

Delivering Data with Dgraph

10 Lessons

Grasp the fundamentals of leveraging Dgraph for efficient data querying using GraphQL and DQL.

GraphQL and DQL

Dgraph Model

Create the DGraph Project

Set up a Graph Service

API Demo

Load a Schema into Dgraph

Load Data into Dgraph

ARPANET Again

Wrap Up Delivering Data with Dgraph

Quiz on Delivering Data with Dgraph

12.

Part III - Graph to Graph

12 Lessons

Map out the steps for transforming graph models, importing RDF, and federated querying.

Transforming Graph Models

Importing RDF with n10s—A Neo4j Plug-in

A Graph-to-Graph Example

Step 1: Query RDF Databases for Data

Step 2: Put RDF into the Local Property Graph Database

Step 3: Modify RDF in the Local Property Graph Database

Step 4: Get RDF Out of the Local Property Graph Database

Step 5: Put RDF into the Local RDF Graph Database

Step 6: Modify RDF in the Local RDF Graph Database

Federated Querying

Wrap Up Part III: Graph to Graph

Quiz on Part III: Graph to Graph

13.

Processing the Graph

7 Lessons

Tackle Elixir's process management in graphs, building supervised nodes, preserving state, and simulating network resilience.

Introduction to Processing the Graph

Create the GraphCompute Project

Add a Supervision Tree

Build a Dynamic Process Graph

Restore the State for a Node

Simulate a Network

Quiz on Processing the Graph

14.

Wrap Up

1 Lessons

Build on effective graph handling and Elixir tools for complex data relationship management.

Conclusion

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