TY - CPAPER AU - Zamira Daw AU - Rance Cleaveland BT - Software Engineering and Formal Methods - 13th International Conference, {SEFM} 2015, York, UK, September 7-11, 2015. Proceedings DO - 10.1007/978-3-319-22969-0\_25 LA - eng PY - 2015 T2 - Software Engineering and Formal Methods - 13th International Conference, {SEFM} 2015, York, UK, September 7-11, 2015. Proceedings TI - An Extensible Operational Semantics for {UML} Activity Diagrams UR - https://doi.org/10.1007/978-3-319-22969-0\_25 ER -