Affiliation: | 1. Department of Computer Science, Bar-Ilan University, Ramat-Gan 52900, Israel;2. Department of Computer Science, Johns Hopkins University, Baltimore, MD 21218, United States;3. College of Computing, Georgia Institute of Technology, 801 Atlantic Drive, Atlanta, GA 30318, United States;4. Dipartimento di Ingegneria dell'' Informazione, Università di Padova, Via Gradenigo 6/A, 35131 Padova, Italy;5. Department of Computer Science, University of Haifa, Mount Carmel, Haifa 31905, Israel;6. Department of Computer Science and Engineering, Polytechnic Institute of New York University, 6 Metrotech Center, Brooklyn, NY 11201, United States;g Department of Software Engineering, Shenkar College, 12 Anna Frank, Ramat-Gan, Israel |