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Semantics. Resource Description Framework (RDF) / W3C Semantic Web Activity. Overview RDF is a standard model for data interchange on the Web. RDF has features that facilitate data merging even if the underlying schemas differ, and it specifically supports the evolution of schemas over time without requiring all the data consumers to be changed. RDF extends the linking structure of the Web to use URIs to name the relationship between things as well as the two ends of the link (this is usually referred to as a “triple”). Using this simple model, it allows structured and semi-structured data to be mixed, exposed, and shared across different applications. This linking structure forms a directed, labeled graph, where the edges represent the named link between two resources, represented by the graph nodes.

Recommended Reading The RDF 1.1 specification consists of a suite of W3C Recommendations and Working Group Notes, published in 2014. A number of textbooks have been published on RDF and on Semantic Web in general. Discussions on a possible next version of RDF. The Friend of a Friend (FOAF) project | FOAF project. Google Maps API example. API. Display photos from Panoramio on your own website. Looking for the Panoramio Data API? It's available, you'll find it here. With the Panoramio Widget API you can display the photos from Panoramio on your own web site.

Geolocated photos from Panoramio are great to enrich your maps or illustrate information where location is an important factor (real estate sites, hotels and vacation sites, routes, trails...). The Panoramio Widget API is a JavaScript library that provides easy-to-use graphical UI elements and search capabilities so that you can show Panoramio photos on your web site. In addition, we provide ready-made HTML templates that you can embed in a web site using iframe tags so you can take advantage of the Widget API without the need to write any JavaScript. The Panoramio Widget API is free for both commercial and non-commercial purposes that don't exceed the limit of 100000 queries through the API per day. JavaScript or iframes: which is right for me?

The following table summarizes the advantages of each flavor. Basic concepts Request.