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Jena

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Claimed by Apache Software Foundation Analyzed about 3 hours ago

Jena is Java toolkit for developing semantic Web applications. It includes an RDF API, an OWL API, SPARQL 1.1 implementation. jena support readign and writing RDF/XML, Turtle, N-triples, TriG and N-Quads as well as other formats. Storage options include in-memory, a high-performance native store as well as adapters for SQL databases.

736K lines of code

0 current contributors

4 days since last commit

27 users on Open Hub

High Activity
3.875
   
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Semantic MediaWiki

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Claimed by Wikimedia Analyzed about 14 hours ago

Semantic MediaWiki (SMW) is a free, open-source extension to MediaWiki – the wiki software that powers Wikipedia – that lets you store and query data within the wiki's pages. Semantic MediaWiki is also a full-fledged framework, in conjunction with many spinoff extensions, that can turn a wiki ... [More] into a powerful and flexible knowledge management system. All data created within SMW can easily be published via the Semantic Web, allowing other systems to use this data seamlessly. [Less]

233K lines of code

21 current contributors

about 20 hours since last commit

24 users on Open Hub

Moderate Activity
4.5
   
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OntoWiki

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  Analyzed about 12 hours ago

OntoWiki is a Semantic Data Wiki as well as an Application Framework providing support for agile, distributed knowledge engineering scenarios.

168K lines of code

0 current contributors

almost 2 years since last commit

21 users on Open Hub

Very Low Activity
4.28571
   
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OWL API

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  Analyzed almost 2 years ago

The OWL API is a Java interface and implementation for the W3C Web Ontology Language OWL. The latest version of the API is focused towards OWL 2 which encompasses, OWL-Lite, OWL-DL and some elements of OWL-Full.

194K lines of code

7 current contributors

about 2 years since last commit

8 users on Open Hub

Activity Not Available
4.66667
   
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Pellet

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  Analyzed about 5 hours ago

Pellet is an open source, OWL DL reasoner in Java developed and supported by Clark & Parsia, LLC.

410K lines of code

0 current contributors

almost 5 years since last commit

5 users on Open Hub

Inactive
4.75
   
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OWLNext: C++ Application Framework

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  Analyzed about 2 hours ago

An extensive update of Borland's Object Windows Library (OWL) for writing GUI applications in standard C++ on Microsoft Windows.

697K lines of code

2 current contributors

20 days since last commit

4 users on Open Hub

Moderate Activity
5.0
 
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RDF.rb

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  Analyzed 10 months ago

RDF.rb is a pure-Ruby library for working with Resource Description Framework (RDF) data.

81.7K lines of code

8 current contributors

about 1 year since last commit

3 users on Open Hub

Activity Not Available
5.0
 
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gnowsys

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  Analyzed 11 months ago

GNOWSYS, Gnowledge Networking and Organizing System, is a web based hybrid gnowledge base with a kernel for semantic computing. It is developed in Python and works as an installed product in ZOPE.

389K lines of code

0 current contributors

almost 11 years since last commit

3 users on Open Hub

Activity Not Available
2.5
   
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DL-Learner

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  Analyzed 4 months ago

DL-Learner is a tool for learning concepts in Description Logics (DLs) from user-provided examples. Equivalently, it can be used to learn classes in OWL ontologies from selected objects.

1.81M lines of code

4 current contributors

about 2 years since last commit

2 users on Open Hub

Activity Not Available
5.0
 
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Powl

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  Analyzed about 7 hours ago

The aim of the Powl - Semantic Web Development Plattform project is thus to deliver a PHP and web-based ontology edititing and management solution to the OpenSoure community.

65.7K lines of code

0 current contributors

over 14 years since last commit

2 users on Open Hub

Inactive
3.0
   
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