@bookchapter{heesch-06c,
   author = {D Heesch and S R\"{u}ger},
   title = "Interaction models and relevance feedback in content-based image retrieval",
   year = "2006",
   booktitle = "Semantic-Based Visual Information Retrieval",
   editor = "Y-J Zhang",
   pages = "160--186",
   publisher = "Idea-Group",
  }