Encompassing uncertainty in argumentation schemes

In existing literature, little attention has been paid to the problems of how the uncertainty reflected by natural language text (e.g. verbal and linguistic uncertainty) can be explicitly formulated in argumentation schemes, and how argumentation schemes enriched with various types of uncertainty can be exploited to support argumentation mining and evaluation. In this paper, we focus on the first problem, and introduce some preliminary ideas about how to classify and encompass uncertainty in argumentation schemes.