Brief introduction to Linked Data

Nowadays, information plays a key role in making the decision to start a business, invest your money and also most mundane actions like buying a product or simply find a recipe. All this information flows through the network as data and thus, search engines, like Google and Yahoo, have become as useful part of our daily lives to query the web.


Therefore, the network has allowed everyone to access and publish data. However, as a result of this freedom, there is now an invaluable information flowing out of control and unable to be classified without the aid of a person.

To solve this problem, the W3C created the project organization LinkedData so that data could be treated as entities and relationships, so the network can be viewed as a knowledge database with efficient methods and standards for display, sharing and connecting all the information.

To visualize LinkedData, which links data, information and knowledge. For this, the W3C designed the standard RDF - Resource Description Framework. This information structure triples: subject-predicate-object (expression) where the subject denotes the resource, the predicate traits or aspects and expression, the relationship between them.

To query the data as RDF, the W3C organization also specified a query language, SPARQL. Currently, there are many public access points in future end-point, to be used by the community.