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Jena

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Claimed by Apache Software Foundation Analyzed about 2 months 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.

577K lines of code

21 current contributors

5 months since last commit

26 users on Open Hub

Activity Not Available
3.875
   
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OntoWiki

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  Analyzed 9 days ago

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

169K lines of code

6 current contributors

13 days since last commit

21 users on Open Hub

Low Activity
4.28571
   
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OWL API

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  Analyzed 11 months 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.

440K lines of code

6 current contributors

12 months since last commit

8 users on Open Hub

Activity Not Available
4.66667
   
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UnBBayes

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  Analyzed about 1 year ago

UnBBayes is a probabilistic network framework written in Java. It has both a GUI and an API with inference, sampling, learning and evaluation. It supports BN, ID, MSBN, OOBN, HBN, MEBN/PR-OWL, structure, parameter and incremental learning.

1.41M lines of code

5 current contributors

about 1 year since last commit

6 users on Open Hub

Activity Not Available
4.2
   
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Pellet

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  Analyzed 3 days ago

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

410K lines of code

2 current contributors

7 months since last commit

6 users on Open Hub

Very Low Activity
4.75
   
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LinqToRdf

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  Analyzed about 1 year ago

LinqToRdf provides a full-featured LINQ query provider for .NET using both local triple stores with Graph Matching and SPARQL queries on remote stores. It also provides graphical design tools for visual studio 2008 that provide a UML style design surface for the production of both ontologies and .NET domain models.

50.1K lines of code

0 current contributors

almost 9 years since last commit

3 users on Open Hub

Activity Not Available
5.0
 
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gnowsys

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  Analyzed about 1 year 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.

388K lines of code

0 current contributors

over 6 years since last commit

3 users on Open Hub

Activity Not Available
2.5
   
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WSMO Studio

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  Analyzed 12 months ago

151K lines of code

0 current contributors

about 8 years since last commit

3 users on Open Hub

Activity Not Available
5.0
 
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Licenses: No declared licenses

DL-Learner

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  Analyzed about 1 year 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.

5.56M lines of code

3 current contributors

over 1 year since last commit

2 users on Open Hub

Activity Not Available
5.0
 
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Ellogon

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  Analyzed 5 months ago

Ellogon is a multi-lingual, cross-platform, general-purpose language engineering environment, developed in order to aid both researchers who are doing research in computational linguistics, as well as companies who produce and deliver language engineering systems. Ellogon as a language engineering ... [More] platform offers an extensive set of facilities, including tools for processing and visualising textual/HTML/XML data and associated linguistic information, support for lexical resources (like creating and embedding lexicons), tools for creating annotated corpora, accessing databases, comparing annotated data, or transforming linguistic information into vectors for use with various machine learning algorithms. [Less]

1.08M lines of code

0 current contributors

almost 10 years since last commit

2 users on Open Hub

Activity Not Available
5.0
 
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