sparql

Virtuoso is a high-performance and scalable Multi-Model RDBMS, Data Integration Middleware, Linked Data Deployment, and HTTP Application Server Platform

sql sparql databases virtuoso-server

UpdatedMar 13, 2025
C

aws /graph-notebook

Star759

Library extending Jupyter notebooks to integrate with Apache TinkerPop, openCypher, and RDF SPARQL.

jupyter graph sparql rdf neptune jupyter-notebook apache gremlin tinkerpop cypher opencypher jupyter-widgets

UpdatedMar 13, 2025
Jupyter Notebook

ontop /ontop

Star684

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

java sparql owl ontop r2rml obda virtual-knowledge-graph vkg

UpdatedMar 8, 2025
Java

inception-project /inception

Star617

INCEpTION provides a semantic annotation platform offering intelligent annotation assistance and knowledge management.

java sparql uima active-learning annotation-tool entity-linking annotation-editor

UpdatedMar 17, 2025
Java

Graph Data Science: an abstraction layer in Python for building knowledge graphs, integrated with popular graph libraries – atop Pandas, NetworkX, RAPIDS, RDFlib, pySHACL, PyVis, morph-kgc, pslpython, pyarrow, etc.

graph-algorithms sparql inference pandas owl rdflib networkx knowledge-graph json-ld parquet skos shacl python-igraph r2rml-mapping probabilistic-soft-logic rapids pyvis roamresearch graph-libraries graph-thinking

UpdatedNov 23, 2024
Jupyter Notebook

easyrdf /easyrdf

Star608

EasyRdf is a PHP library designed to make it easy to consume and produce RDF.

php sparql rdf

UpdatedJan 10, 2025
PHP

usc-isi-i2 /Web-Karma

Star593

Information Integration Tool

database sparql rdf ontology json-ld r2rml triplestore

UpdatedMar 27, 2024
Java

SemanticMediaWiki /SemanticMediaWiki

Star546

🔗 Semantic MediaWiki turns MediaWiki into a knowledge management platform with query and export capabilities

semantic query database wiki linked-data sparql rdf mediawiki collaboration semantic-web semantic-data mediawiki-extension semantic-mediawiki smw knowledge-graph lod knowledge-management result-format wiki-database

UpdatedMar 17, 2025
PHP

RDFLib /sparqlwrapper

Star533

A wrapper for a remote SPARQL endpoint

python wrapper sparql rdf pypi sparql-query sparql-endpoints

UpdatedNov 27, 2024
Python

AtomGraph /LinkedDataHub

Star522

The low-code Knowledge Graph application platform. Apache license.

platform framework linked-data sparql data-driven rdf xslt declarative semantic-web owl webid knowledge-graph openid-connect data-management triplestore linked-open-data low-code ontology-driven-development

UpdatedMar 16, 2025
XSLT

ad-freiburg /qlever

Star521

Very fast SPARQL Engine, which can handle very large knowledge graphs like the complete Wikidata, offers context-sensitive autocompletion for SPARQL queries, and allows combination with text search. It's faster than engines like Blazegraph or Virtuoso, especially for queries involving large result sets.

sparql semantic-search-engine query-engine sparql-endpoints text-search