gel Balaban , ? hsan Yal ? ? nkaya Middle East Technical University , Ankara , Turkey and ? mit Deniz Turan Anadolu University , Eski ? ehir , Turkey Corresponding author : dezeyrek @ metu.edu.tr Abstract In this paper , we report on the annotation procedures we developed for annotating the Turkish Discourse Bank ( TDB ) , an effort that extends the Penn Discourse Tree Bank ( PDTB ) annotation style by using it for annotating Turkish discourse . After a brief introduction to the TDB , we describe the annotation cycle and the annotation scheme we developed , defining which parts of the scheme are an extension of the PDTB and which parts are different .