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Jena

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Claimed by Apache Software Foundation Analyzed about 20 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.

737K lines of code

0 current contributors

5 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 6 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]

236K lines of code

21 current contributors

4 days since last commit

24 users on Open Hub

Moderate Activity
4.5
   
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OntoWiki

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  Analyzed 4 months 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 3 years since last commit

21 users on Open Hub

Activity Not Available
4.28571
   
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OWL API

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  Analyzed almost 3 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 3 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 8 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

over 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 17 hours ago

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

708K lines of code

2 current contributors

3 days since last commit

4 users on Open Hub

Moderate Activity
5.0
 
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RDF.rb

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  Analyzed 1 day ago

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

116K lines of code

8 current contributors

about 2 months since last commit

3 users on Open Hub

Moderate Activity
5.0
 
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Cwm

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  Analyzed almost 2 years ago

Cwm (pronounced coom) is a general-purpose data processor for the semantic web, somewhat like sed, awk, etc. for text files or XSLT for XML. It is a forward chaining reasoner which can be used for querying, checking, transforming and filtering information. Its core language is RDF, extended to ... [More] include rules, and it uses RDF/XML or RDF/N3 serializations as required. Cwm is written in python; it is part of SWAP, a Semantic Web Application Platform. It is open source under the W3C software license. [Less]

444K lines of code

0 current contributors

about 5 years since last commit

3 users on Open Hub

Activity Not Available
5.0
 
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gnowsys

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  Analyzed almost 2 years 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 12 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 about 1 hour 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.

1.92M lines of code

4 current contributors

over 1 year since last commit

2 users on Open Hub

Very Low Activity
5.0
 
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