65. Birthday: Michael M. Richter, 2004

• Petr Hájek:
  A True Unprovable Formula of Fuzzy Predicate Logic. 1-5
  
• Frank Klawonn, Rudolf Kruse:
  The Inherent Indistinguishability in Fuzzy Systems. 6-17
  
• Hans Kleine Büning, Xishun Zhao:
  On Models for Quantified Boolean Formulas. 18-32
  
• Babak Mougouie:
  Polynomial Algorithms for MPSP Using Parametric Linear Programming. 33-42
  
• Walter Oberschelp:
  Discrete and Continuous Methods of Demography. 43-58
  
• Britta Schinzel:
  Computer Science between Symbolic Representation and Open Construction. 59-76
  
• Wolfgang Lenski:
  Towards a Theory of Information. 77-105
  
• Thomas Kämpke:
  Retrieval by Structure from Chemical Data Bases. 106-119
  
• Benno Stein:
  Engineers Don't Search. 120-137
  
• Ingo Wegener:
  Randomized Search Heuristics as an Alternative to Exact Optimization. 138-149
  
• Armin Stahl:
  Approximation of Utility Functions by Learning Similarity Measures. 150-172
  
• Thomas Chau, Frank Maurer:
  Knowledge Sharing in Agile Software Teams. 173-183
  
• Michael M. Richter:
  Logic and Approximation in Knowledge Based Systems. 184-204