apache-jena

Generic Linked Data framework for SPARQL tripestore backends. Apache license.

ONT-API (OWL-API over Apache Jena)

A Database to OWL Mapper

OWLunit allows you to define and run unit tests for ontologies.

A semantic web application for an online library management system. Queries are made in SPARQL language and data is stored in RDF format. Apart from the Client role, there is also the Admin role that has access to the admin panel for adding, editing and deleting books.

AdSeeker is Advertisement Engine (Sentiment Analysis) developed using Java Jersey REStful, Apache Jena & Hibernate ORM

A modular R2RML suite built on Apache Jena. Featuring a complete domain API built on Jena's polymorphism system, SHACL validation, an R2RML processor with 100% standard conformance based an Jena's ARQ plus common tooling every R2RML project needs.

Generate a spatial index file from a TDB2 dataset

A search system which aides a Los Angeles Police Department (LAPD) Sergeant/ Officer to get to case specifics in less than 4 secs per case by analyzing RDF dataset from data.gov to semantically search and optimize crime and collision raw data ontology.

Web interface for SPARQL query execution.

Solutions for the Semantic Web Technologies course assignments

An OWL2 ontology to ontology data mapper (builder and inference engine)

RDF Based Music Search Engine

Java GUI to serialize Tweets to RDF/XML

An example of ONT-MAP extension that provides SPIN-function to calculate n!

An extensionlibrary for Apache Jena

Esprit web semantics project

Knowledge Hub is a semantic search application for enterprise knowledge based on enterprise knowledge graph

Sparql query transformer CLI