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Search

FEB 27th 2008

Unlike traditional search engines, which crawl the Web gathering Web pages, Semantic Web search engines index RDF data stored on the Web and provide an interface to search through the crawled data. Below is a list of Semantic Web search engines that are currently under development.

Continue reading Semantic Web Search Engine Roundup

True KnowledgeTrue Knowledge is a natural language search engine and question answering site, but to leave it at that would not do the site justice. What makes it stand out from similar sounding services like Powerset and Freebase? True Knowledge tackles natural language search and question answering (much like Powerset and Hakia), and it also maintains a knowledge base of facts about the world (similar to DBpedia and Freebase). However, what makes True Knowledge stand out is that they've combined these features and encourage their userbase to contribute facts and add new knowledge.

Continue reading True Knowledge: The Natural Language Question Answering Wikipedia for Facts

FEB 13th 2008

While I am still waiting for an invitation from Twine (probably you too?) I have received one from Powerset - natural language search. Powerset obviously is a promising company (and is promising a lot), so I was excited when I was starting to play around with this new tool which still isn't available for the public.

Continue reading Natural Language Search - A New Breakthrough?

JUN 17th 2007

There's a lot of talk about new search engines and the promising technologies behind them. One technology that has more or less recently been applied to Web search is natural language processing. NLP allows search engines such as Hakia and Powerset to return results based on the query's meaning rather than relying on keyword distribution as a means of identifying relevant Web documents.

Continue reading Stochastic (statistical) search is on the way out

JUN 15th 2007

Semantic search has two legs

Published 10 years ago by Yihong Ding

The discussion of semantic search has gradually become popular. Just not long time ago, semantic search was thought to be barely a little bit more than a dream. At present, optimistic researchers have started to believe its possibility in the near future. Very recently at Read/WriteWeb, Dr. Riza C. Berkan, the CEO of Hakia (a company declared to perform "semantic search"), posted an article about semantic search that attracted much attention. Despite of agreeing with the post, here are more thoughts about semantic search.

Continue reading Semantic search has two legs

APR 13th 2007

It seems as though nothing short of a new buzzword can stop the burst of activity in the vertical search market, and who are we to complain? Vertical search engines differ from their horizontal brethren (who attempt to index the Web as a whole) by focusing on a single topic or niche about which to index information from the Web. Often, a VSE can deliver results with much greater relevancy and accuracy than major horizontal players like Google, Yahoo, and Microsoft.

Continue reading Vertical Search Engines are Domain Knowledge Silos

JAN 14th 2007

SwoogleSwoogle describes itself as being the search engine for the Semantic Web. Swoogle crawls the web looking for RDF documents. At this time Swoogle offers the these services:

  • Search ontologies and instance data
  • Search terms (URIs that have been defined as classes and properties)
  • Provide metadata of Semantic Web documents
  • Support browsing the Semantic Web
  • Archive different versions of Semantic Web documents

Continue reading Swoogle - the Semantic Web search engine

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