How effective are search engines?

Submitted on 18/10/2021

(in french only)
Qwant, Ecosia, DuckDuckGo, Bing, Google...

We all have a favourite search engine, which we use every day to access information or services. The main criterion to consider is its efficiency: its ability to provide the right answer to our question. But this search engine has an important responsibility: by choosing one answer over another, it defines our experience of the Web! It is therefore vital that it is based on objective and rational criteria, and not on private interests or ideological wishes. Ensuring that the results of a search engine are not biased is the subject of research by Guillermo Andrade-Barroso, Patrick Maillé and Bruno Tuffin of the DIONYSOS research team, who provide us with some answers...

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