Your search returned the following 2 documents:

2. Collaborative Ranking: an aggregation algorithm for individuals' preference estimation
   Joachim Giesen, Dieter Mitsche, and Eva Schuberth
   In: Algorithmic Aspects in Information and Management : Third International Conference, AAIM 2007, Portland, USA, 2007, 58-67
   
   
1. Image-Dependent Gamut Mapping as Optimization Problem
   Joachim Giesen, Eva Schuberth, Klaus Simon, Peter Zolliker, and Oliver Zweifel
   IEEE Transactions on Image Processing 16 (10): 2401-2410, 2007