This document summarizes a meetup event on semantic web and linked data for cultural heritage institutions in London on March 28, 2012. It lists presentations on projects linking archival and museum collections using semantic web technologies, including LOCAH, Linking Lives, and the British Library's and British Museum's linked data efforts. Challenges discussed include identity resolution, data modeling complexity, sustainability, and licensing. The final presentation was given by Adrian Stevenson of the University of Manchester on bibliographic frameworks.