PSPhilipp Schaer0000-0002-8817-4632 Information retrieval and web searchCologne, GermanyFollowUsage metrics Co-workers & collaboratorsMNMandy NeumannResearch Associate - Cologne, GermanyMandy NeumannPMPhilipp MayrPhilipp MayrDLDirk LewandowskiDirk LewandowskiSSSebastian SünklerSebastian Sünkler