Yahoo! Correlator (2008) was the first yahoo! sandbox demo developed in Yahoo! Labs Barcelona. It allowed smart searches over the English Wikipedia exploding shallow NLP tools to identify Named entities (places, dates, people). At that time this demo was pushing what search engine were able to do, see this blog. This demo is no longer available since Yahoo! Sandbox demos were closed around 2014.

Related papers: El paper de la lingüística en la cerca d’informació (In Catalan).

After searching for “climate change Kyoto” The different wikipedia related wiki pages for Climate Change and Kyoto are shown as well as the wikipedia categories related to our search.

Different tabs allow to explore other views:


Allowing to visualize the different entities related to our search


A map with the related locations for our search


A timeline showing the different events related to our search.