Dublin Core is a metadata standard used to describe resources on the internet, with a basic level of 15 elements and a skilled level for refinement. Its objectives include simplicity, universality, international engagement, and extensibility. Three principles help achieve these goals: one-to-one, dumb-down, and appropriate values. It is commonly used in academic settings, libraries, museums, and computer science.
Dublin core is a metadata — data that provides information about other data, such as that found in a library database — standard that helps describe resources on the net. It is a set of basic elements with two levels. Simple is the basic level; has fifteen elements that serve to catalog and describe a resource. The skilled level has fewer elements and serves to refine the entry so that it is easier to find and understand. Dublin Foundations are used in places such as libraries and museums, and in fields including text coding and computer science to organize and aid in information discovery. They are most commonly found in academic settings.
The simple base level consists of 15 standard text fields used to describe a resource. The fields contain basic information such as the title, the subject, the creator’s name and a description. These fields also delve into the details, including rights, origin, and format.
The Skilled Foundation Level adds dimension and flexibility to the simple Dublin Core level. This level can help make the item set more specific and detailed. The qualified level can include information including rightsholder, provenance, and audience. It is typically seen as an improvement on the standard 15 courts, rather than a foundational feature.
The four primary objectives of the Dublin core all focus on creating a simple and widely understood system for organizing and describing resources. An important goal is that item sets are easy to create and maintain, with a simple and effective design. It is also important that the terminology used in the elements is understood as universally as possible across nations and different professions. Another goal is to increase international engagement with the Dublin core by creating it in as many languages as possible. A final important goal of the Dublin core is to create a system of elements which, while remaining simple, can be infinitely extended to meet the needs of its users.
There are three core Dublin principles that can help creators achieve item set goals. The first, called the one-to-one principle, accepts that original creations and reproductions of material should be properly distinguished and that the proper authors of each should be recognized. The dumb-down principle essentially states that all values should be usable without qualifiers, and that all existing qualifiers are for refinement purposes, not for communicating basic information. The final principle, appropriate values, recognizes that information can be accessed by a human or a machine and should therefore be presented in a way that can be understood by both.
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