This term was created by Sir Tim Berners-Lee. This data can be used to access the Web more intelligently because it contains automated agents that understand and "de-code" information in half the time the user can. Basically, it breaks down the information into its simplest form so that it is quickly and easily understood by the user. Semantic data is not formally defined and it is possible that it incorporates the following: Resource Description Framework, data interchange formats and notations, and the Web Ontology Language which all give a defined answer for concepts, terms, and relationships in a specific domain of the Web. The concept of semantic data as a whole has remained unclear and is generally speculated upon as not being a workable service.
The purpose of semantic data would be to allow computers to understand and figure out information without the help of a human user. This pretty much means that the computer would be able to have a complex thought process and figure out problems on its own. Instead of having to be programmed for each particular task, the computer would be able to program itself based on past experiences. The computer would be able to find information on its own, combine it with other information as needed, and act upon the information it received in an appropriate way. The semantic data plays an important part in this because the way that the data is lined up allows for the rest of the data in a sequence to be automatically figured out. The data is interpreted according to its relationship to each other and the result is knowing what the next data would be in sequence based on these relationships. All of the data and parts of a sequence are in an ordered hierarchy so that there is only once choice for the next part in a sequence. It's sort of like solving a math equation, there is only one correct answer almost all of the time. This relationship of data is what allows machines to work alone without human intervention.
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