The Semantic Web, Semantic Web Search Engines

	THE SEMANTIC WEB

Semantic Web Search Engines

DeepDyve
DeepDyve is a professional research tool available for free for the general public. It lets you access expert content from the the part of the Internet that is not indexed by traditional search engines.

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Dbpedia
A community effort to extract structured information from Wikipedia and to make this information available on the Web
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Headup
Headup uses a meta database or graph that describes which sources can provide which types of information about certain subjects. It also taps into social networks to leverage the information friends have left scattered about the web.
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Swoogle
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Inbenta
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Simile
Semantic Interoperability of Metadata and Information in unLike Environments
SIMILE is focused on developing open source tools to empower users to access, manage, visualize and reuse digital assets.
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SWSE
Semantic Web Search Engine

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WolframAlpha
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Hakia

A general purpose semantic search engine. Hakia search results are organized in tabs: Web results, credible sites, images and news. Credible sites refer to results from sites that have been vetted by librarians and other information professionals invites.
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SenseBot
A web search engine that summarizes search results into one concise digest on a topic of query. The search engine attempts to understand what the result pages are about.
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Powerset
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Cognition
Search based on a semantic map of the English language. It is used in support of business analytics, machine translation, document search, context search and more.

Semantic Web Organizations, Projects and Articles

The Semantic Web
(Scientific American article) by Tim Berners-Lee, James Hendler and Ora Lassila—one of the best introductions to the topic, by the creator of the original world wide web.
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Wikipedia entry on the Semantic Web.
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W3C Semantic Web Activity
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Semantic Web Interest Group IRC channel
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Semanticweb.org
The Semantic Web community wiki, including descriptions of many related tools, events and ontologies.
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W3C Linking Open Data
A community project attempting to publish and interlink various open data sources.

CMS

Organic Design
Organic Design facilitates the development of a number of projects based around use of the Semantic Web and Wiki software. Their team shares common ideals regarding free software, decentralised solutions, maximising re-usability of solutions and actively sharing them with others.