Nikos Papadakis Dimitris Plexousakis Grigoris Antoniou Myron Papadakis Katerina Boutsika A Tool for Addressing the Ramification Problem in Temporal Databases. 589-601 2009 18 International Journal on Artificial Intelligence Tools 4 http://dx.doi.org/10.1142/S0218213009000287 db/journals/ijait/ijait18.html#PapadakisPAPB09