Adrian Caciula, Dept. of Comput. Sci., Georgia State Univ., Atlanta, GA, USA Alex Zelikovsky, Dept. of Comput. Sci., Georgia State Univ., Atlanta, GA, USA Serghei Mangul, Dept. of Comput. Sci., Univ. of California, Los Angeles, Los Angeles, CA, USA James Lindsay, Deptment of Comput. Sci. & Eng., Univ. of Connecticut, Storrs, CT, USA Ion Mandoiu, Deptment of Comput. Sci. & Eng., Univ. of Connecticut, Storrs, CT, USA