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ACL file (Access Control List)

Defines the properties associated with the level of access of a user. Comprised of classes (e.g., “Agent” this allows anyone and anything to access”)


A piece of data (of some type), that is stored on a Pod server. This file has a url endpoint.

Graph Database

The data storage model used by the semantic web. An RDF graph can be visualized as a node and directed-arc diagram, in which each triple is represented as a node-arc-node link. RDF graphs are set(s) of “subject - predicate - object” triples that are used to express descriptions of resources. The Turtle language is used to express these triples.


A Solid users' exposed, customizable, profile


May refer to two things: aka Node.js, a JavaScript runtime for things not running in a browser, typically running the server. Or A RDF node, i.e. one thing or string in an RDF graph.


Target of the link

OWL (Web Ontology Language)

A Semantic Web language that builds on RDF

Pod (Personal Online Datastore)

A secure repository containing the user’s data. Users control application access to their Pod(s).

Pod Manager

An application that provides a UI and UX that allows the user to manage their Things, Files, People, and Applications. This management includes permissioning.


The link type

PublicKey WebID

A URI that refers to a person that uniquely identifies a user to their public key

RDF (Resource Description Framework)

A generic graph-based data model with which to structure and link data on the web. The data model describes Things, including their relationships with other Things. RDF can be written in a number of ways (AKA serialisations), an example of which is Turtle.

RDFS (RDF Schema)

An extension of the basic RDF data modelling vocabulary

Semantic Web

W3C’s vision of a web of linked data. “Semantic web technologies enable people to create data stores on the Web, build vocabularies, and write rules for handling data.”


The a query language for RDF


Source of the link


A piece of data, file, or collection of files that can be manipulated, shared, linked to additional things and data, or people via codified known ontologies.

Turtle (Terse RDF Triple Language)

A structural syntax for RDF. “Turtle allows RDF graph to be completely written in a compact and natural text form, with abbreviations for common usage patterns and datatypes.” Provides compatibility with the triple pattern syntax of the SPARQL. All Turtle files have the extension “.ttl”.


A decentralized system for allowing different users and groups of users, forms of access to resources. Users are identified by WebID and groups of users are identified by HTTP URIs.


A unique way to identify an entity such as an individual, company, organisation, or institutions. The WebID allows for an entity to be references using a Uniform Resource Identifier (URI) when their profile is hosted on a different web server than their own.

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