Centenas de razões para achar o JEMS difícil. - Eduardo Hideki Tanaka; Ariel Vargas; André Constantino Silva; Heloisa Vieira da Rocha (IHC, 2006)

A method for remote and semi-automatic usability evaluation of web-based applications through users behavior analysis. - Ariel Vargas; Harold Weffers; Heloisa Vieira da Rocha (MB, 2010)

Discovering and analyzing patterns of usage to detect usability problems in web applications. - Ariel Vargas; Harold Weffers; Heloisa Vieira da Rocha (ISDA, 2011)

A method for remote and automatic usability evaluation of Web applications. - Ariel Vargas (2012)