The governing body of the European Union, the European Commission, announced today that it just has begun investigating allegations that Google has abused its dominance as a search engine. In detail, the European Commisiion is going to investigate whether Google has purposely lowered the search rankings of the price comparison sites Ciao, the French legal search engine ejustice.fr and Foundem (UK) in its results. The EU Commision will also examine allegations that Google has downgraded the Quality Score of the paid search results from competing vertical search services. The Quality Score is one of the factors that determine the price paid to Google by advertisers. For more informations about the investigation on possible antitrust violations by Google – just check out the press release of EU Commision that was published today.