In: M. Lytras; A. Sheth (Hrsg.). Progressive Concepts for Semantic Web Evolution: Application and Developments. Chapter 1, Pages 1-24, Advances in Semantic Web Information Systems series, IGI Global, 2009.
In: D. Dicheva; R. Mizoguchi; J. Greer (Hrsg.). Semantic Web Technologies for e-Learning. Chapter 8, A Cross-Curriculum Representation for Handling and Searching Dynamic Geometry Competencies, Pages 136-155, The Future of Learning, Vol. 4, ISBN 978-1-60750-062-9, IOS Press, 11/2009.
In: 3rd International Workshop on Camera Based Document Analysis and Recognition. International Workshop on Camera-Based Document Analysis and Recognition (CBDAR-2009), July 26-29, Barcelona, Spain, Pages 18-24, On-Line, 2009.
In: 13th International Conference on Computer Analysis of Images and Patterns. International Conference on Computer Analysis of Images and Patterns (CAIP-2009), September 2-4, Münster, Germany, Springer, 2009.
In: International Conference on Image Processing. IEEE International Conference on Image Processing (ICIP-2009), November 7-9, Cairo, Egypt, IEEE, 2009.