@InProceedings{hilliges2008chiws,
  author = {Hilliges, O.},
  title  = "{Finding the Unknown – Serendipitous Discovery in Co-Located Consumption of Digital Photo Collections}",
  booktitle = "{Workshop Collocated Social Practices Surrounding Photos in conjunction with the ACM CHI '08}",
  month = apr,
  year =   {2008}
  }