1 The governance of integrated regional development and the role of geographical information systems: Managing complex information relations between two different worlds Victor Bekkers & Arjan van Venrooy PAPER TO BE PRESENTED AT THE ERSA CONFERENCE 2005 AMSTERDAM Center for Public Innovation Rotterdam, 30 juni 2005. Erasmus University P.O. Box 1738 3000 DR Rotterdam tel. + 31 10 4082636 Bekkers@fsw.eur.nl