a) Brainstorm and devise an actionable plan for evolving event processing to be a critical technology in a grand challenge that will have major impact on society, as a wide-community effort;
b) Brainstorm and devise and actionable plan for creating a community-agreed document about the value, boundaries, functions, and synergies with other areas and communities.
c) Brainstorm and devise and actionable plan for the evolution of specific event processing standards, and employ/extend existing standards.
There are a lot of follow-ups, conclusion of the Dagstuhl seminar can be found on the seminar's webpage.
More about the document and grand challenge - later.