• Jakub Lokoc, Magnus Lie Hetland, Tomas Skopal and Christian Beecks
  Ptolemaic Indexing of the Signature Quadratic Form Distance
  
  
• Takao Murakami, Kenta Takahashi, Susumu Serita and Yasuhiro Fujii
  Versatile Probability-based Indexing for Approximate Similarity Search
  
  
• Eric Sadit Tellez, Edgar Chavez and Gonzalo Navarro
  Succinct Nearest Neighbor Search.

As agreed by the Program Committee of the SISAP 2011 and Elsevier Information Systems Journal (IS), IS will publish a special issue devoted to SISAP 2011.