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DCAT v2 was published as a W3C Recommendation 2020-02-04. [4] Version 2 adds support for cataloguing data services or APIs, and has stronger support for expressing relationships between datasets. An alignment to Schema.org is included. As DCAT is extensible, more specific extensions have been created in the statistical and geodata domains. [5] [6]
It is a hybrid approach encompassing the best of breed between 3rd normal form (3NF) and star schema. The design is flexible, scalable, consistent and adaptable to the needs of the enterprise" [ 11 ] Data vault's philosophy is that all data is relevant data, even if it is not in line with established definitions and business rules.
This was intended to make it evident from the transcript why the failing grade was assigned, though critics [11] [better source needed] have pointed to inconsistent grading schema among universities issuing XF grades. The XF variation is also used by at least one institution to indicate a student who has failed a course due to non-attendance.
The Semantic Web, sometimes known as Web 3.0 (not to be confused with Web3), is an extension of the World Wide Web through standards [1] set by the World Wide Web Consortium (W3C).
Schema.org is an initiative launched on June 2, 2011, by Bing, Google and Yahoo! [ 3 ] [ 4 ] [ 5 ] (operators of the world's largest search engines at that time) [ 6 ] to create and support a common set of schemas for structured data markup on web pages.
The name "Darwin Core" was first coined by Allen Allison at the first meeting of the ZBIG held at the University of Kansas in 1998 while commenting on the profile's conceptual similarity with Dublin Core. The Darwin Core profile was later expressed as an XML Schema document for use by the Distributed Generic Information Retrieval (DiGIR) protocol.
Metadata schemata can be hierarchical in nature where relationships exist between metadata elements and elements are nested so that parent-child relationships exist between the elements. An example of a hierarchical metadata schema is the IEEE LOM schema, in which metadata elements may belong to a parent metadata element. Metadata schemata can ...
According to the DHS privacy assessment for US-CERT's 24x7 Incident Handling and Response Center in 2007, US-CERT data is provided only to those authorized users who "need to know such data for business and security purposes" including security analysts, system administrators and certain DHS contractors.