ZHENGYOU ZHANG;
Editor-in-Chief Microsoft Research;
One Microsoft Way;
Redmond;
WA 98052 USA Phone: 425-703-3029 Fax: 425-706-7329 E-mail: zhang@microsoft.com Katharina J. Rohlfing received the Master’s degree in linguistics;
philosophy;
and media studies from the University of Paderborn;
Paderborn;
Germany;
in 1997. As a member of the Graduate Program Task Oriented Communication;
she received the Ph.D. degree (summa cum laude);
in linguistics from the Bielefeld University;
Bielefeld;
in 2002. Her postdoctoral work at San Diego State University;
the University of Chicago;
and Northwestern University was supported by a fellowship of the German Academic Exchange Service (DAAD) and by the German Research Foundation (DFG);