Justificatory and Explanatory Argumentation for Committing Agents
  In the interaction between agents we can have an explicative discourse, when
communicating preferences or intentions, and a normative discourse, when
considering normative knowledge. For justifying their actions our agents are
endowed with a Justification and Explanation Logic (JEL), capable to cover both
the justification for their commitments and explanations why they had to act in
that way, due to the current situation in the environment. Social commitments
are used to formalise justificatory and explanatory patterns. The combination
of ex- planation, justification, and commitments
