CAO: A Fully Automatic Emoticon Analysis System. - Michal Ptaszynski; Jacek Maciejewski; Pawel Dybala; Rafal Rzepka; Kenji Araki (AAAI, 2010)

Multiagent system for joke generation: Humor and emotions combined in human-agent conversation. - Pawel Dybala; Michal Ptaszynski; Jacek Maciejewski; Mizuki Takahashi; Rafal Rzepka; Kenji Araki (J. Ambient Intell. Smart Environ., 2010)

CAO: A Fully Automatic Emoticon Analysis System Based on Theory of Kinesics. - Michal Ptaszynski; Jacek Maciejewski; Pawel Dybala; Rafal Rzepka; Kenji Araki (IEEE Trans. Affect. Comput., 2010)

Annotating Japanese Blogs with Syntactic and Affective Information. - Michal Ptaszynski; Yoshio Momouchi; Jacek Maciejewski; Pawel Dybala; Rafal Rzepka; Kenji Araki (Mining User Generated Content, 2014)