What's New in Maven

Repository that uses a Sail stack.

Rio parser and writer implementation for the JSON-LD file format.

RDF Storage And Inference Layer ("Sail") API.

Roaring bitmaps are compressed bitmaps (also called bitsets) which tend to outperform conventional compressed bitmaps such as WAH or Concise.

Compression algorithms

Rio parser and writer implementation for the N-Triples file format.

Rio parser and writer implementation for the N-Quads file format.

Rio parser and writer implementation for the TriG file format.

The Checker Framework enhances Java's type system to make it more powerful and useful. This lets software developers detect and prevent errors in their Java programs. The Checker Framework includes compiler plug-ins ("checkers") that find bugs or verify their absence. It also permits you to write your own compiler plug-ins.

Query language parser implementation for SeRQL.

Query result writer implementation for the SPARQL Query Results JSON Format.

Runtime dependencies for an RDF4J application

Evaluation strategy API and implementations for the query algebra model.

Repository manager

Rio parser and writer implementation for the RDF/JSON file format.

Query Render and Builder tools

checker-qual contains annotations (type qualifiers) that a programmer writes to specify Java code for type-checking by the Checker Framework.

Rio API.

API for interacting with repositories of RDF data.

Rio parser and writer implementation for the RDF/XML file format.

Sail implementation that stores data in main memory, optionally using a dump-restore file for persistence.

Query interfaces and implementations

The SPARQL Repository provides a RDF4J Repository interface to any SPARQL end-point.

Query result IO API

RDF model implementations.

Rio parser and writer implementation for the Turtle file format.

RDF4J utility classes

Query language parser implementation for SPARQL.

Sail implementation that stores data directly to disk in dedicated file formats.

Query language parsers API.

A generic query algebra for RDF queries.

Rio writer implementation for the N3 file format.

JSON Assertions inspired by FEST and AssertJ.

Contains basic assertJsonEquals() and Hamcrest matchers.

JSON Assertions based on AssertJ