Approximation and Online Algorithms 4th International Workshop, WAOA 2006, Zurich, Switzerland, September 14-15, 2006, Revised Papers

Approximation Algorithms for Scheduling Problems with Exact Delays.- Bidding to the Top: VCG and Equilibria of Position-Based Auctions.- Coping with Interference: From Maximum Coverage to Planning Cellular Networks.- Online Dynamic Programming Speedups.- Covering Many or Few Points with Unit Disks.- On the Minimum Corridor Connection Problem and Other Generalized Geometric Problems.- Online k-Server Routing Problems.- Theoretical Evidence for the Superiority of LRU-2 over LRU for the Paging Problem.- Improved Approximation Bounds for Edge Dominating Set in Dense Graphs.- A Randomized Algorithm for Online Unit Clustering.- On Hierarchical Diameter-Clustering, and the Supplier Problem.- Bin Packing with Rejection Revisited.- On Bin Packing with Conflicts.- Approximate Distance Queries in Disk Graphs.- Network Design with Edge-Connectivity and Degree Constraints.- Approximating Maximum Cut with Limited Unbalance.- Worst Case Analysis of Max-Regret, Greedy and Other Heuristics for Multidimensional Assignment and Traveling Salesman Problems.- Improved Online Hypercube Packing.- Competitive Online Multicommodity Routing.- The k-Allocation Problem and Its Variants.- An Experimental Study of the Misdirection Algorithm for Combinatorial Auctions.- Reversal Distance for Strings with Duplicates: Linear Time Approximation Using Hitting Set.- Approximating the Unweighted k-Set Cover Problem: Greedy Meets Local Search.- Approximation Algorithms for Multi-criteria Traveling Salesman Problems.- The Survival of the Weakest in Networks.- Online Distributed Object Migration.