Sciweavers

656 search results - page 53 / 132
» Graph Theoretical Characterization and Computation of Answer...
Sort
View
ICTCS
2005
Springer
14 years 1 months ago
Improved Exact Exponential Algorithms for Vertex Bipartization and Other Problems
Abstract. We study efficient exact algorithms for several problems including Vertex Bipartization, Feedback Vertex Set, 3-Hitting Set, Max Cut in graphs with maximum degree at most...
Venkatesh Raman, Saket Saurabh, Somnath Sikdar
CSE
2009
IEEE
13 years 5 months ago
Edge Anonymity in Social Network Graphs
Edges in social network graphs can model sensitive relationships. In this paper, we consider the problem of edges anonymity in graphs. We propose a probabilistic notion of edge ano...
Lijie Zhang, Weining Zhang
MFCS
2009
Springer
14 years 2 months ago
On the Structure of Optimal Greedy Computation (for Job Scheduling)
We consider Priority Algorithm [BNR03] as a syntactic model of formulating the concept of greedy algorithm for Job Scheduling, and we study the computation of optimal priority alg...
Periklis A. Papakonstantinou
ICALP
2009
Springer
14 years 8 months ago
Node-Weighted Steiner Tree and Group Steiner Tree in Planar Graphs
We improve the approximation ratios for two optimization problems in planar graphs. For node-weighted Steiner tree, a classical network-optimization problem, the best achievable ap...
Erik D. Demaine, MohammadTaghi Hajiaghayi, Philip ...
IDA
2011
Springer
13 years 2 months ago
A parallel, distributed algorithm for relational frequent pattern discovery from very large data sets
The amount of data produced by ubiquitous computing applications is quickly growing, due to the pervasive presence of small devices endowed with sensing, computing and communicatio...
Annalisa Appice, Michelangelo Ceci, Antonio Turi, ...