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Types Full Hierarchy W3C | Linked Data : Current Status What is Linked Data? The Semantic Web is a Web of Data — of dates and titles and part numbers and chemical properties and any other data one might conceive of. The collection of Semantic Web technologies (RDF, OWL, SKOS, SPARQL, etc.) provides an environment where application can query that data, draw inferences using vocabularies, etc. However, to make the Web of Data a reality, it is important to have the huge amount of data on the Web available in a standard format, reachable and manageable by Semantic Web tools. Furthermore, not only does the Semantic Web need access to data, but relationships among data should be made available, too, to create a Web of Data (as opposed to a sheer collection of datasets). This collection of interrelated datasets on the Web can also be referred to as Linked Data. What is Linked Data Used For? Linked Data lies at the heart of what Semantic Web is all about: large scale integration of, and reasoning on, data on the Web. Examples Learn More

Schema Markup - Rich Snippets Plugin For WordPress. Free & Easy Breadcrumbs: The breadcrumb trail indicates the page’s position in the site hierarchy. Users can directly access the page or navigate all the way up, one level at a time. Events: These rich snippets focus on the events that may be organized in a locality. Organizations: Such rich snippets can be used to display the organizations or the company’s contact details. Products: You can use the product based rich snippet to display product details, such as the price, the availability, review and ratings. Recipes: You can use rich snippets for recipes that include information such as preparation and cooking time, nutritional values and reviews and ratings. Reviews and Ratings: One among the important elements in a rich snippet is the review and ratings section. The highlighted area tell you that the recipe received a 4.7 rating out of 5, on the basis of 36 votes. Videos:Videos are usually displayed in a rich snippet.

Getting Started Most webmasters are familiar with HTML tags on their pages. Usually, HTML tags tell the browser how to display the information included in the tag. For example, <h1>Avatar</h1> tells the browser to display the text string "Avatar" in a heading 1 format. provides a collection of shared vocabularies webmasters can use to mark up their pages in ways that can be understood by the major search engines: Google, Microsoft, Yandex and Yahoo! 1. 1a. Your web pages have an underlying meaning that people understand when they read the web pages. 1b. itemscope and itemtype Let's start with a concrete example. <div><h1>Avatar</h1><span>Director: James Cameron (born August 16, 1954)</span><span>Science fiction</span><a href=".. To begin, identify the section of the page that is "about" the movie Avatar. <div itemscope><h1>Avatar</h1><span>Director: James Cameron (born August 16, 1954) </span><span>Science fiction</span><a href=".. Back to top 1c. itemprop 1d. 2. 2b. 2c. 3. 3a. 3b. Enumerations

W3C | Semantic Web Case Studies Case studies include descriptions of systems that have been deployed within an organization, and are now being used within a production environment. Use cases include examples where an organization has built a prototype system, but it is not currently being used by business functions. The list is updated regularly, as new entries are submitted to W3C. (), by , , Activity area:Application area of SW technologies:SW technologies used:SW technology benefits: A short overview of the use cases and case studies is available as a slide presentation in Open Document Format and in PDF formats.

Majestic®: Marketing Search Engine and SEO Backlink Checker FAQ What is the purpose of Why are Google, Bing, Yandex and Yahoo! collaborating? Aren't you competitors? There are lots of schemas out there. Is a standards body like the W3C or IETF ? How does relate to Facebook Open Graph? What's coming next? Who is managing on an ongoing basis? Is available in multiple languages? How do I mark up my site using this schema? Why should I add markup? This is too much work. I have already added markup in some other format (i.e. microformats, RDFa,, etc). My website contains content that is of a type that is unsupported. Do I have to mark up every property? Why microdata? Why don't you support other vocabularies such as FOAF, SKOS, etc? Where can I give feedback, report bugs, etc.? What do you mean by "Schema Version 0.9x" that is on every schema page? Q: What is the purpose of Q: Why are Google, Bing, Yandex and Yahoo! Q: There are lots of schemas out there. No. Q: Why microdata?

SPARQL 1.1 Protocol 4.1 Security There are at least two possible sources of denial-of-service attacks against SPARQL protocol services. First, under-constrained queries can result in very large numbers of results, which may require large expenditures of computing resources to process, assemble, or return. Another possible source are queries containing very complex — either because of resource size, the number of resources to be retrieved, or a combination of size and number — RDF Dataset descriptions, which the service may be unable to assemble without significant expenditure of resources, including bandwidth, CPU, or secondary storage. In some cases such expenditures may effectively constitute a denial-of-service attack. Since a SPARQL protocol service may make HTTP requests of other origin servers on behalf of its clients, it may be used as a vector of attacks against other sites or services. SPARQL protocol services may remove, insert, and change underlying data via the update operation.

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