Martin Schulz, the center-lefts candidate to lead the European Commission after EU parliamentary elections this month, has joined calls for Googles market dominance to be subject to strict regulation. Two days ago Germanys Economy Minister Sigmar Gabriel said a ruling by a top European court on Tuesday that Internet firms can be made to remove irrelevant or excessive personal information from the web was a wake up call for digital safeguards. Germany was considering if firms such as Google were abusing their market leader position he said. Google has declined to comment.