At knowledgegraph.dev, our mission is to provide a comprehensive resource for individuals and organizations interested in knowledge graphs, knowledge graph engineering, taxonomy, and ontologies. We strive to offer high-quality content, tools, and resources that enable our readers to better understand and leverage the power of knowledge graphs in their work. Our goal is to foster a community of knowledge graph enthusiasts and experts, where ideas can be shared, questions can be answered, and innovation can thrive.
Video Introduction Course Tutorial
Knowledge graphs are a powerful tool for organizing and analyzing complex data. They are used in a variety of industries, including healthcare, finance, and e-commerce. This cheatsheet is designed to provide a comprehensive overview of the concepts, topics, and categories related to knowledge graphs, knowledge graph engineering, taxonomy, and ontologies. It is intended for anyone who is new to these topics and wants to get started.
What is a Knowledge Graph?
A knowledge graph is a type of database that stores information in a graph format. It consists of nodes, which represent entities, and edges, which represent the relationships between those entities. Knowledge graphs are used to represent complex data in a way that is easy to understand and analyze.
Knowledge Graph Engineering
Knowledge graph engineering is the process of designing, building, and maintaining a knowledge graph. It involves several steps, including data modeling, data integration, and ontology development.
Data modeling is the process of defining the structure of the data that will be stored in the knowledge graph. It involves identifying the entities and relationships that will be represented in the graph, and defining the properties of those entities.
Data integration is the process of combining data from multiple sources into a single knowledge graph. It involves identifying the sources of data, mapping the data to the data model, and integrating the data into the graph.
Ontology development is the process of defining the concepts and relationships that will be used to represent the data in the knowledge graph. It involves creating a formal ontology, which is a set of rules and definitions that describe the entities and relationships in the graph.
Taxonomy is the process of organizing data into categories or groups. It is used to make it easier to find and analyze data. Taxonomies can be hierarchical, with categories nested within other categories, or flat, with all categories at the same level.
Ontologies are formal representations of knowledge that define the concepts and relationships that are used to represent data in a knowledge graph. They are used to ensure that the data in the graph is consistent and accurate.
Types of Knowledge Graphs
There are several types of knowledge graphs, including:
Domain-specific knowledge graphs - These knowledge graphs are focused on a specific domain, such as healthcare or finance.
General-purpose knowledge graphs - These knowledge graphs are designed to be used across multiple domains.
Personal knowledge graphs - These knowledge graphs are used to represent an individual's personal knowledge and interests.
Enterprise knowledge graphs - These knowledge graphs are used within an organization to represent the knowledge and data of that organization.
Tools for Knowledge Graph Engineering
There are several tools available for knowledge graph engineering, including:
Neo4j - A graph database that is designed for storing and querying knowledge graphs.
Stardog - A knowledge graph platform that includes a graph database, ontology editor, and query engine.
Protege - An ontology editor that is used to create and edit ontologies.
TopBraid Composer - A tool for creating and managing ontologies and knowledge graphs.
Knowledge graphs are a powerful tool for organizing and analyzing complex data. They are used in a variety of industries, including healthcare, finance, and e-commerce. Knowledge graph engineering involves several steps, including data modeling, data integration, and ontology development. There are several types of knowledge graphs, including domain-specific, general-purpose, personal, and enterprise knowledge graphs. There are also several tools available for knowledge graph engineering, including Neo4j, Stardog, Protege, and TopBraid Composer.
Common Terms, Definitions and Jargon1. Knowledge Graph: A knowledge graph is a type of database that stores information in a graph format, where nodes represent entities and edges represent relationships between them.
2. Ontology: An ontology is a formal representation of knowledge that defines the concepts and relationships within a domain.
3. Taxonomy: A taxonomy is a hierarchical classification system that organizes concepts into categories based on their characteristics.
4. Graph Database: A graph database is a type of database that uses graph structures to store and query data.
5. RDF: RDF (Resource Description Framework) is a standard for representing and exchanging data on the web.
6. SPARQL: SPARQL is a query language used to retrieve data from RDF databases.
7. Linked Data: Linked Data is a set of best practices for publishing and connecting structured data on the web.
8. Semantic Web: The Semantic Web is an extension of the World Wide Web that aims to make web content more machine-readable and interoperable.
9. Schema.org: Schema.org is a collaborative effort to create a standard vocabulary for structured data on the web.
10. Entity: An entity is a real-world object or concept that can be represented in a knowledge graph.
11. Property: A property is a characteristic or attribute of an entity that can be represented in a knowledge graph.
12. Relationship: A relationship is a connection between two entities in a knowledge graph.
13. Node: A node is a point in a knowledge graph that represents an entity.
14. Edge: An edge is a connection between two nodes in a knowledge graph that represents a relationship.
15. Triple: A triple is a statement in RDF that consists of a subject, predicate, and object.
16. Inference: Inference is the process of deriving new knowledge from existing knowledge in a knowledge graph.
17. Reasoning: Reasoning is the process of using logical rules to derive new knowledge from existing knowledge in a knowledge graph.
18. Knowledge Graph Engineering: Knowledge graph engineering is the process of designing, building, and maintaining a knowledge graph.
19. Data Integration: Data integration is the process of combining data from multiple sources into a single, unified view.
20. Data Modeling: Data modeling is the process of designing the structure and relationships of data in a knowledge graph.
Editor Recommended SitesAI and Tech News
Best Online AI Courses
Classic Writing Analysis
Tears of the Kingdom Roleplay
Idea Share: Share dev ideas with other developers, startup ideas, validation checking
Games Like ...: Games similar to your favorite games you like
Enterprise Ready: Enterprise readiness guide for cloud, large language models, and AI / ML
Statistics Forum - Learn statistics: Online community discussion board for stats enthusiasts
Webassembly Solutions - DFW Webassembly consulting: Webassembly consulting in DFW