To some, the Semantic Web is the web of data, where information is represented in RDF and OWL. Some people replace RDF with Microformats. Others think that the Semantic Web is about web services, while for many it is about artificial intelligence -
computer programs solving complex optimization problems that are out of our reach. And business people always redefine the problem in terms
of end user value, saying that whatever it is, it needs to have simple and tangible applications for consumers and enterprises.
ctrl - 0 views
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The ctrl semantic engine is the first product of the Research and Development group at PRAGMATECH. The main functionality of ctrl's API is to identify the set of (disambiguated) key topics. In ctrl we have moved from words to concepts, then from simple concepts to topics (which are not phrases, but complex 'disambiguated' concepts), and, subsequently, to key topics that represent what a certain document is about.
Dataset Search - 0 views
Google Knowledge Graph Search Engine (no API skills required) - 0 views
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"Introduction to the Knowledge Graph API The Google Knowledge Graph API reveals entity information related to a keyword, that Google knows about. This information can be very useful for SEO - discovering related topics and what Google believes is relevant. It can also help when trying to claim/win a Knowledge Graph box on search results. The API requires a high level of technical understanding, so this tool creates a simple public interface, with the ability to export data into spreadsheets."
Semantic Web Patterns: A Guide to Semantic Technologies - ReadWriteWeb - 0 views
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The bottom-up approach is focused on annotating information in pages, using RDF, so that it is machine readable. The top-down approach is focused on leveraging information in existing web pages, as-is, to derive meaning automatically.
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Another recent win for the bottom-up approach was the announcement of the Semantify web service from Dapper
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