Quaero = ... + Quintura + Polar Rose + ...

According to a note in the International Herald Tribune , Quintura , a pan-European search engine, is also taking part, a company of Russian origin, Quintura , which provides a graphical interface that allows users to refine the query, and the Swedish company Polar Rose , which works on the face recognition technology.

According to rumors , the European branch of Accoona may also take part in the Quaero project.