all you need is data

datatxt semantic api

An entity extraction API that automatically links documents and social media content to our graph of places, persons and events.

datagem api

A semantic graph of high quality contextual location data from hundreds of data sources, public and private.

datatxt semantic api

Find places, persons, brands, and events in documents and social media.
English, French, German, Italian and Portuguese currently supported.

Get back an ID to pull related data from our graph
Learn more Try it out
Did Nero really play the lyre while Rome burned?
  name: “Great Fire of Rome”,
  when: "64 AD",
  description: “The Great Fire of Rome
      was an urban fire that started
      is the campanile, or freestanding
      on the night between 18 and 19 July

...and you'll get structured and linked data

...and you'll get the same structured and linked data

datagem api

Query our graph of location data to power your app or business.
Enrich your content with high quality data from thousands of sources.

/data.json?$where=array_in(category.labels, "Amphitheatres") and"Lazio"
Learn more try live demo

Play with research data

Got interest on telco data and other large datasets available
as Open Data?
Unleash your creativity to discover what Milan and Trento are telling us.

Discover Open Big Data

Showcase your App!

Built a brilliant app using Dandelion data or APIs?
Send us a description, a link and some screenshots: we'll showcase it on Dandelion.

Apps Showcase