Invia SMS: Transactions and change in logic databases : International Seminar on Logic Databases and the Meaning of Change, Schloss Dagstuhl, Germany, September 23-27, 1996 and ILPS '97 Post-Conference Workshop on (Trans)Actions and Change in Logic Programming and Deductive Databases, (DYNAMICS '97), Port Jefferson, NY, USA, October 17, 1997 : invited surveys and selected papers / Burkhard Freitag ... [and others], (eds.).