Skip to content
View tgra's full-sized avatar

Block or report tgra

Block user

Prevent this user from interacting with your repositories and sending you notifications. Learn more about blocking users.

You must be logged in to block users.

Maximum 250 characters. Please don't include any personal information such as legal names or email addresses. Markdown supported. This note will be visible to only you.
Report abuse

Contact GitHub support about this user’s behavior. Learn more about reporting abuse.

Report abuse

Starred repositories

30 stars written in Java
Clear filter

OpenRefine is a free, open source power tool for working with messy data and improving it

Java 11,661 2,111 Updated Dec 19, 2025

Pentaho Data Integration ( ETL ) a.k.a Kettle

Java 8,263 3,572 Updated Dec 22, 2025

Official GeoServer repository

Java 4,217 2,268 Updated Dec 19, 2025

Apache Jena, A free and open source Java framework for building Semantic Web and Linked Data applications.

Java 1,259 673 Updated Dec 22, 2025

OWL API main repository

Java 878 312 Updated Oct 26, 2025

Ontop is a platform to query relational databases as Virtual RDF Knowledge Graphs using SPARQL

Java 761 175 Updated Dec 22, 2025

Information Integration Tool

Java 604 196 Updated Apr 16, 2025

Eclipse RDF4J: scalable RDF for Java

Java 393 179 Updated Dec 22, 2025

SPARQL Anything is a system for Semantic Web re-engineering that allows users to ... query anything with SPARQL.

Java 271 16 Updated Dec 22, 2025

A simplified blockchain implementation in Java

Java 230 118 Updated Feb 5, 2022

XML Calabash, an XProc processor

Java 109 40 Updated Jun 18, 2024

Computer Assisted Text Markup and Analysis

Java 96 11 Updated Dec 12, 2025

Gradle plugin for automating everything involving MarkLogic

Java 74 81 Updated Dec 16, 2025

Kitodo.Production is a workflow management tool for mass digitization and is part of the Kitodo Digital Library Suite.

Java 70 69 Updated Dec 21, 2025

Named Entities Recognition Annotator Tool for Europeana Newspapers

Java 61 6 Updated Jan 12, 2018

Re3gistry is a reusable open source solution for managing and sharing ‘reference codes’, ensuring semantic interoperability across organisations.

Java 33 23 Updated Dec 16, 2025

The BridgeDb Library source code

Java 32 22 Updated Nov 18, 2025

Java library for nanopublications based on RDF4J

Java 29 16 Updated Dec 21, 2025

The DataCite Metadata Store (MDS)

Java 25 16 Updated Oct 27, 2018

Web version of ontology creation tool Populous

Java 16 3 Updated Mar 16, 2022

Named Entity Recognition tool for Europeana Newspapers

Java 14 3 Updated Apr 5, 2018

Command Line Interface (CLI) to export METS/ALTO documents to other formats.

Java 13 1 Updated Apr 25, 2022

Implementation of the X3ML mapping format for the CIDOC CRM-LAB project.

Java 10 17 Updated Jul 20, 2021

A mirror of the sparql-query-bm code from http://sourceforge.net/projects/sparql-query-bm/

Java 7 2 Updated Sep 20, 2021
Java 7 5 Updated Jul 4, 2012

Tool for curating mappings from free text to ontology terms

Java 6 1 Updated May 30, 2023

NGA's Data Services APIs - a SpringBoot / RESTful but (for now at least) read-only services implementation for art data, media, and eventually, much more.

Java 3 1 Updated Oct 3, 2024

Utility to parse a regnal date string into the YYYY-MM-DD format.

Java 2 1 Updated Mar 1, 2021

FIMS is a web application suitable for documenting, recording and managing XML files stored in an XML database.

Java 2 Updated Apr 1, 2019

Oxygen XML Editor plugin, used in the Beyond 2022 Medieval Gold Seam, to encode dates in a TEI/XML <date/> element.

Java 1 Updated Dec 17, 2021