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Exploring Graphs with Elixir

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Getting Started

Introduction Approach

Part I - Graphs Everywhere

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

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

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

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

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

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

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

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

Traversing Graphs with Gremlin

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

Delivering Data with Dgraph

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

Part III - Graph to Graph

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

Processing the Graph

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

Wrap Up

Wrap Up Part III: Graph to Graph

Have a look at the summary of what we covered in this chapter.

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What we covered

RDF has a big advantage in having several standardized serializations, which makes exchanging graphs a simple process. The caveat, though, is that these are targeted at RDF graphs that build on the RDF model, URIs for nodes and edges, and so on.

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