rdf4r: RDF4R: R Library for Working with RDF

In vsenderov/rdf4r: Library for Working with RDF

Description

RDF4R provides the following facilities.

Connection to a triple store

• basic_triplestore_access: connect to a triple store without a password or with a username and a password

• api_triplestore_access: connect to a triple store with an API key

• get_protocol_version: Get Protocol Version

• list_repositories: list the repositories at an endpoint

Working with repositories on a triple store

• submit_sparql: Submit a SPARQL Query to a Triplestore (READ)

• submit_sparql_update: Submit a SPARQL Query to a Triplestore (UPDATE)

• add_data: Add Data to a Repository

Function factories to convert SPARQL queries, or data endpoints to R functions

• query_factory: Convert a parameterized SPARQL query to an R function

• add_data_factory: Create a function that submits serialized RDF to a specific endpoint

Working with literals and identifiers

• literal: Family of functions for creating literals

• identifier: Family of functions for creating resource identifiers

• fidentifier: Identifier Constructor via a List of Lookup Functions

• identifier_factory: Manufacturing Identifier Constructors

Prefix management

Prefixes are managed autmatically by RDF objects, so you probably wouldn't need to call the functions in this section manually.

• prefix_serializer: Serializes a Prefix Vector

Creation and serialization of RDF

• ResourceDescriptionFramework: Mutable RDF Object

• AnonRDF: Create a list of RDF statements that all share the same blank subject node

A basic vocabulary of semantic elements

• semantic_elements: Predifined resource identifiers from widely-spread ontologies

vsenderov/rdf4r documentation built on May 3, 2019, 4:02 p.m.