1. Editorial

   • Willem J. Heiser

   Announcement 10 November 2011 Pages: 271 - 271

2. Directed Binary Hierarchies and Directed Ultrametrics

   • I-C. Lerman
   • P. Kuntz

   OriginalPaper 07 October 2011 Pages: 272 - 296

3. On the Schoenberg Transformations in Data Analysis: Theory and Illustrations

   • François Bavaud

   OriginalPaper 07 October 2011 Pages: 297 - 314

4. Between-Group Metrics

   • John C. Gower
   • Casper J. Albers

   OriginalPaper 04 October 2011 Pages: 315 - 326

5. Classification of Multivariate Objects Using Interval Quantile Classes

   • Andrzej Młodak

   OriginalPaper 06 October 2011 Pages: 327 - 362

6. The Real-Valued Model of Hierarchical Classes

   • Jan Schepers
   • Iven Van Mechelen
   • Eva Ceulemans

   OriginalPaper 06 October 2011 Pages: 363 - 389

7. TreeOfTrees Method to Evaluate the Congruence Between Gene Trees

   • Pierre Darlu
   • Alain Guénoche

   OriginalPaper 07 October 2011 Pages: 390 - 403

8. Reviewers

   News 29 October 2011 Pages: 404 - 405