Discovery hub is an exploratory search engine (http://en.wikipedia.org/wiki/Exploratory_search) which helps you to discover things you might like or be interested in. It widens your cultural and knowledge horizons by revealing and explaining unattended information. Want a film recommendation related to writers you like ? Want to discover bands at the crossroad of an electro and rock record-labels you like ? Interested by more complex and composite recommendations based on your deepest interests : a writer, a film and a band combination ? Or maybe something simpler ? If you have a thirst for discovery and knowledge, Discovery Hub has answers for you. Discovery Hub is based on leading edge semantic web technologies. It allows you to discover new and unknown items of interest starting from what you like. Thanks to Discovery Hub you interactively explore DBpedia. DBpedia is a huge knowledge graph derived from Wikipedia data, it is composed of approximately 4 millions entities linked by more than 270 millions connexions. DBpedia covers many topics such as arts, technology, sciences, sport, etc. Discovery Hub allows performing queries in an innovative way and helps you to navigate rich results. As a hub, it proposes redirections to others platforms to make you benefit from your discoveries (Youtube, Deezer and more). The results are explained in depth thanks to 3 explanatory features. It supports composite explorations i.e. starting from several items of interest; and proposes advanced exploration modes such as serendipitous, multi-lingual, and fine-grained ones Discovery Hub V2 is more social ! You can like a topic, and share it on Twitter, but more important, now you can share searches you've made, collections you made, to your Discovery Hub followers ! And of course you can also follow your friends and/or interesting people if you find them !