VSDS Linked Data Interactions

The Linked Data Interactions Repo (LDI) is a bundle of basic components used to receive, generate, transform and output Linked Data. This project is set up in the context of the VSDS Project to ease adopting LDES on data consumer and producer side.

LDI API

The LDI API provides a bundle of generic interfaces and classes to be used in the LDI Components

For further information, please refer to the JavaDoc.

LDI Core

The LDI Core module contains the components maintained by the VSDS team in order to accommodate the onboarding of LDES onboarders.

Each Component can be wrapped in a desired implementation framework (LDI-orchestrator, NiFi, ...) to be used.

More documentation on the individual component can be found here

Implementation Modules

The VSDS team currently supports and maintains two implementation frameworks in which the Components can be run.

What follows is a list of all available components for each framework.

Component	Component Description	LDI Orchestrator	LDI NiFi
Create Version Object	Will transform a state object into a version object	x	x
Version Materialisation	Will transform a version object into a state object	x	x
Geo Json to WKT	Will transform any available Geo JSON data to WKT format	x	x
LDES Client	Allows replicating and synchronizing with a Linked Data Event Stream	x	x
NGSI v2 to LD	Allows transformation of NGSIv2 JSON data into NGSI-LD	x	x
SPARQL Construct	Allows transformation of Linked Data via provided SPARQL query	x	x
SPARQL SELECT	Allows querying of Linked Data via SPARQL query		x
RDF4J Repo Materialisation	Allows materialisation of an LDES stream into a triplestore	x	x