Program

				
Monday, February 13, 2012

 8:30 -  9:15  Breakfast

 8:45 -  9:15  Registration

 9:15 -  9:30  Welcome

 9:30 - 10:45  Session 1: Graph Partitioning

               High Quality Graph Partitioning (slides)
               Peter Sanders and Christian Schulz, Karlsruhe Institute of Technology, Germany

               Graph Partitioning with Natural Cuts (slides)
               Daniel Delling, Andrew V. Goldberg, Renato F. Werneck, Microsoft Research Silicon Valley, USA, and
               Ilya Razenshteyn, Lomonosov Moscow State University, Russia

               Exact Combinatorial Branch-and-Bound for Graph Bisection (slides)
               Daniel Delling, Andrew V. Goldberg, Renato F. Werneck, Microsoft Research Silicon Valley, USA, and
               Ilya Razenshteyn, Lomonosov Moscow State University, Russia

10:45 - 11:15  Coffee break

11:15 - 12:30  Session 2: Graph Partitioning and Related

               Graph Partitioning for Scalable Distributed Graph Computations (slides)
               Aydin Buluc, Lawrence Berkeley National Laboratory, and Kamesh Madduri, The Pennsylvania State University

               Shape Optimizing Load Balancing for Parallel Adaptive Numerical Simulations Using MPI (slides)
               Henning Meyerhenke, Karlsruhe Institute of Technology, Germany

               Scalable and Accurate Algorithm for Graph Clustering (slides)
               Hristo N. Djidjev, Los Alamos National Labratory, and Melih Onus, Cankaya University, Turkey

12:30 -  2:00  Lunch break

 2:00 -  3:15  Session 3: Hypergraph Partitioning

               Abusing a hypergraph partitioner for unweighted graph partitioning (slides)
               B. O. Fagginger Auer and R. H. Bisseling, Utrecht University, Netherlands

               An Evaluation of the Zoltan Parallel Graph and Hypergraph Partitioners (slides)
               Sivasankaran Rajamanickam and Erik G. Boman, Sandia National Laboratories, USA

               UMPa: A Multi-objective, multi-level partitioner for communication minimization (slides)
               Ümit V. Çatalyürek, Mehmet Deveci, Kamer Kaya, Ohio State University, USA, and Bora Uçar, LIP, ENS Lyon, France

 3:15 -  3:45  Coffee break

 3:45 -  5:00  Session 4: Modularity Clustering (I)

               A Divisive clustering technique for maximizing the modularity (slides)
               Ümit V. Çatalyürek, Kamer Kaya, The Ohio State University, and Johannes Langguth and Bora Uçar, LIP, ENS Lyon, France

               Modularity Maximization in Networks by Variable Neighborhood Search (slides)
               Daniel Aloise, Universidade Federal do Rio Grande do Norte, Brazil and
               Gilles Caporossi, Sylvain Perron, GERAD & HEC Monteal, Canada, and
               Pierre Hansen GERAD & HEC Montreal, Canada, and Ecole Polytechnique Palaiseau, France and
               Leo Liberti, Ecole Polytechnique Palaiseau, France and
               Manuel Ruiz, INP-Grenoble, France

               Community Detection by Modularity Maximization using GRASP with Path Relinking (slides)
               Mariá C. V. Nascimento, Universidade Federal de Sao Paulo, Brazil and
               Leonidas S. Pitsoulis, Aristotle University of Thessaloniki, Thessaloniki, Greece

 5:00 -  5:10  Break

 5:00 -  6:00  Session 5: Modularity Clustering (II)

               Using Stable Communities for Maximizing Modularity (slides)
               S. Srinivasan and S. Bhowmick, University of Nebraska at Omaha, USA

               Complete Hierarchical Cut-Clustering: A Case Study on Modularity and Expansion (slides)
               Michael Hamann, Tanja Hartmann and Dorothea Wagner, Karlsruhe Institute of Technology, Germany

Tuesday, February 14, 2012

 8:30 -  9:00  Breakfast
 
 9:00 -  9:30  Keynote: DIMACS Implementation Challenges: Past, Present, and Future
               David S. Johnson, AT&T Labs - Research

 9:30 - 10:20  Session 6: Parallel Modularity Clustering

               Parallel Community Detection for Massive Graphs (slides)
               E. Jason Riedy, David Ediger, David A. Bader, Georgia Institute of Technology, USA, and 
               Henning Meyerhenke, Karlsruhe Institute of Technology, Germany

               Graph Coarsening and Clustering on the GPU (slides)
               B. O. Fagginger Auer and R. H. Bisseling, Utrecht University, Netherlands

10:20 - 10:45  Coffee break

10:45 - 12:00  Session 7: Clustering

               Experiments on Density-Constrained Graph Clustering (slides)
               Robert Gorke, Andrea Schumm, and Dorothea Wagner, Karlsruhe Institute of Technology, Germany

               An Ensemble Learning Strategy for Graph Clustering (slides)
               Michael Ovelgonne and Andreas Geyer-Schulz, Karlsruhe Institute of Technology, Germany

               Network Clustering via Clique Relaxations: A Community Based Approach (slides)
               Anurag Verma, Sergiy Butenko, Texas A&M University, USA

12:00 - 12:15  Break - Grab and Go lunch 

12:15 -  1:00  Challenge Results (slides)


 1:00 -  1:15  Summary