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Semantic Web

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Ontology@ (4)
Companies and organisations involved in the creation of ontologies and related conceptualisation frameworks for XML and Web Services
RDF@ (14)
Resource Description Framework resources
RDF@ (8)
Resource Description Framework
Semantic Web@ (47)
Companies developing products, services and conducting research
Topic Maps (5)
Organisations involved in promoting and developing the Topic Map paradigm

Links

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Article: The Semantic Web lifts off

http://www.ercim.org/publication/Ercim_News/enw51/berners-lee.html

Round up of current Semantic Web standards and development activity authored by Tim Berners-Lee and Eric Miller. Good introduction to the rapidly evolving standards.

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Semantic Search - The SHOE Search Engine

http://www.cs.umd.edu/projects/plus/SHOE/search/

A semantic search engine that indexes pages marked up with SHOE, an ontology-based, XML-compatible, knowledge representation language for the Web.

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xFront.com

http://www.xfront.com

Very comprehensive information site concentrating on XML,RDF and OWL. Contains tutorials, worked examples and news. Excellent resources and starting point.

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SEWASIE: Semantic Webs And Agents In Integrated Economies

http://www.sewasie.org/index.htm

The objective of the SEWASIE project is to assist SMEs (so-call Integrated Economies) in enhancing their inter- and intra- organisational information management through semantic enrichment, query techniques and better information presentation. Ultimately, the objectives are to make it easier for SMEs to find and be found by other economic agents within the economic fabric of local and international economies.

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Corporate Memory Management through Agents - Consortium, Perez, Karp, Dieng, Corby, Giboin, Gandon,

http://citeseer.nj.nec.com/consortium00corporate.html

The CoMMA project Corporate Memory Management through Agents aims at developing an open, agent based platform for the management of a corporate memory by using the most advanced results on the technical, the content, and the user interaction level.

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Web Services Modeling Network

http://www.cs.vu.nl/~dieter/wese/

The objectives are to develop a roadmap for cutting edge research and commercial application of new web technology, specifically to position RTD projects in Framework VI. Semantic Web, Web Services, and their combination may promise a large stream of successful IST projects helping key action III to strengthen its profile of hosting leading research projects with world wide visibility and impact.

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Esperonto

http://www.esperonto.net

The objective of Esperonto is to form a bridge between the actual Web and the Semantic Web by providing a service to "upgrade" existing content to semantic Web content. Ontologies play a key role in this effort, aiming at unifying, bridging and integrating multiple heterogeneous, international and multilingual digital content.

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Cover Pages: OWL Web Ontology Language

http://xml.coverpages.org/owl.html

1 out of 10 stars (1 vote)

Summary of existing resources, articles and references on the OWL Web Ontology Language

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TRIPLE

http://triple.semanticweb.org/

TRIPLE is an RDF query, inference, and transformation language for the Semantic Web. Instead of having a built-in semantics for RDF Schema (as many other RDF query languages have), TRIPLE allows the semantics of languages on top of RDF (like RDF Schema, Topic Maps, UML, etc.) to be defined with rules. For languages where this is not easily possible (e.g., DAML+OIL), access to external programs (like description logics classifiers) is provided. As a result, TRIPLE allows RDF reasoning and transformation under several different semantics, which is necessary if you need to access multiple data source in one application (e.g., for data integration).

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W3C: Web Ontology Working Group

http://www.w3.org/2001/sw/WebOnt/

The Web Ontology Working Group is chartered to build upon the RDF Core work a language for defining structured web based ontologies which will provide richer integration and interoperability of data among descriptive communities.

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rdfweb.org

http://rdfweb.org/people/damian/2001/10/RDFAuthor/

RDFWeb is an experimental linked information system, where the linked items are machine-understandable documents in the World Wide Web. These documents, written in the XML, RDF and XHTML languages, are harvested by our Web indexing programs, which then merge the resulting information to form one big database. By exploiting various features of the RDF technology alongside related tools such as digital signature, we can use the Web to retrieve structured information that machines can process and act upon. RDFWeb is best understood as an exploration of the question: what would it be like if machines could read what we say in our Web homepages?

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RuleML

http://www.dfki.uni-kl.de/ruleml/

The goal of the Rule Markup Initiative is to develop RuleML as the canonical Web language for rules using XML markup, formal semantics, and efficient implementations. RuleML can thus specify queries and inferences in Web ontologies, mappings between Web ontologies, and dynamic Web behaviors of workflows, services, and agents.

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Platypus Wiki: a Semantic Wiki Wiki Web

http://platypuswiki.sourceforge.net/

10 out of 10 stars (2 votes)

Platypus Wiki is an enhanced Wiki Wiki Web with ideas taken from Semantic Web. We call it a Semantic Wiki Wiki Web. It offers a simple user interface to create a Wiki Page plus metadata according with W3C standards. It uses RDF (Resource Description Framework), RDF Schema, and OWL (Web Ontology Language) to create ontologies and manage metadata.

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Ontology.org

http://www.ontology.org/

This site is the home page of Ontology.Org, the consortium of organisations and individuals developing knowledge level models and representations of electronic marketplaces.

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HP Labs Semantic Web Activity

http://www.hpl.hp.com/semweb/index.html

HP Labs home page for semantic web activity. HP have developed the Jenna Sematic Web Toolkit, a java API for manipulating RDF models. Site includes white papers and a list of leading individuals working on Semantic Web related activities.

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Open Cyc

http://www.opencyc.org/

OpenCyc is the open source version of the Cyc technology, the world's largest and most complete general knowledge base and commonsense reasoning engine. Developers can use CycML to exchange knowledge with one another, and CycML will also allow the KB contents to be imported and exported for archiving.

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SHOE

http://www.cs.umd.edu/projects/plus/SHOE/

SHOE (Simple HTML Ontology Extensions) is an XML-compatible knowledge representation language for the Web. It allows web pages to be described in the context of one or more publicly available ontologies, which provide semantics for reasoning about the contents. This site contains tools for marking up and querying SHOE, sample ontologies, research publications, and a SHOE-based search engine.

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OntoWeb Portal

http://ontoweb.aifb.uni-karlsruhe.de/

This is the community site for Ontoweb, a European Union founded project about Ontology-based information exchange for knowledge management and electronic commerce.

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Modulant - The Interoperability Company

http://www.modulant.com/

Modulant - The Interoperability Company. Modulant is an enterprise software developer of semantics-based information interoperability solutions.

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Corese

http://www-sop.inria.fr/acacia/soft/corese.html

The Corese platform implements an RDF/RDFS processor based on Conceptual Graphs (CG). It enables the processing of RDF Schemas and RDF statements within the CG formalism (see a note from T. Berners-Lee on the subject). The graph matching algorithm, called projection, enables to retrieve RDF statements according to a query and hence implements a search engine. The projection operation takes advantage of the class and property type hierarchies. When querying on a given resource type, the projection find instances of the given type as well as instances of the specializations of that type. This is also true with property types.

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