The success of diagnostic knowledge systems has been proved over the last decades.

This work introduces different technical solutions allowing a Migrating Character to move throughout physical space, either completely autonomously or in conjunction with a user."

Graph matching is a computationally expensive procedure. If an input graph is matched against a database of graphs, the size of the database is introduced as an additional factor into the overall complexity of the matching process.

Writer identification and verification have gained interest, especially in the fields of forensic document examination and biometrics. This book develops two systems to address the tasks of writer identification and verification.

Tangible interaction with real-world objects and symmetric multimodality are two further themes addressed in this work.

"This thesis addresses the problem of shape preserving digitization in finite dimensional spaces.

The success of diagnostic knowledge systems has been proved over the last decades.