Lena Bonsiepen assisted the work of the project »Indexing of Collections«. She researched and designed digital methods and tools for the indexing of collections in collaboration with the disciplines of History of Art, Conservation Studies and Design. Lena Bonsiepen studied Computer Sciences at the University of Dortmund. Following teaching and research activities at the University of Bremen, she has recently led two interdisciplinary projects at the Jewish Museum Berlin, which involved the development of interactive installations and digital guidance of visitors using passive and active RFID technology. Her current research interest is the scalability of digital systems.