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Jena
Claimed by Apache Software Foundation Analyzed 1 day 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.
Licenses:
apache_2
Semantic MediaWiki
Claimed by Wikimedia Analyzed 2 days 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
OntoWiki
Analyzed about 23 hours ago
OntoWiki is a Semantic Data Wiki as well as an Application Framework providing support for agile, distributed knowledge engineering scenarios.
OWL API
O
Analyzed 2 days 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.
Licenses:
apache_2, lgpl
Pellet
P
Analyzed about 19 hours ago
Pellet is an open source, OWL DL reasoner in Java developed and supported by Clark & Parsia, LLC.
OWLNext: C++ Application Framework
Analyzed about 1 month ago
An extensive update of Borland's Object Windows Library (OWL) for writing GUI applications in standard C++ on Microsoft Windows.
Licenses:
zlib_libpng
RDF.rb
Analyzed about 24 hours ago
RDF.rb is a pure-Ruby library for working with Resource Description Framework (RDF) data.
Licenses:
CC0, unlicense
Cwm
C
Analyzed about 3 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
gnowsys
Analyzed 4 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.
DL-Learner
Analyzed about 9 hours 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.