A detailed discussion of these different perspectives can be found in Blair (2004), Johnson (2000), Reed and Walton (2003), Micheli (2011), O'Keefe (1982, and Rapanta, Garcia-Mila, and Gilabert (2013).
stab and Gurevych (2014a) annotated 90 argumentative essays (about 30k tokens), annotating claims, major claims, and premises and their relations (support, attack).