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ESA
2003
Springer
189views Algorithms» more  ESA 2003»
15 years 9 months ago
On the Complexity of Approximating TSP with Neighborhoods and Related Problems
We prove that various geometric covering problems, related to the Travelling Salesman Problem cannot be efficiently approximated to within any constant factor unless P = NP. This ...
Shmuel Safra, Oded Schwartz
IAJIT
2006
109views more  IAJIT 2006»
15 years 3 months ago
Unconstraint Assignment Problem: A Molecular Computing Approach
: Deoxyribonucleic Acid or DNA-based computing is an emerging field that bridging the gap between chemistry, molecular biology, computer science, and mathematics. This research are...
Zuwairie Ibrahim, Yusei Tsuboi, Osamu Ono, Marzuki...
CCS
2009
ACM
16 years 4 months ago
The union-split algorithm and cluster-based anonymization of social networks
Knowledge discovery on social network data can uncover latent social trends and produce valuable findings that benefit the welfare of the general public. A growing amount of resea...
Brian Thompson, Danfeng Yao
IPCO
2010
148views Optimization» more  IPCO 2010»
15 years 5 months ago
Prize-Collecting Steiner Network Problems
In the Steiner Network problem we are given a graph with edge-costs and connectivity requirements between node pairs , . The goal is to find a minimum-cost subgraph of that contain...
MohammadTaghi Hajiaghayi, Rohit Khandekar, Guy Kor...
PPDP
2010
Springer
15 years 2 months ago
Graph queries through datalog optimizations
This paperdescribes the use of a powerful graph query language for querying programs, and a novel combination of transformations for generating efficient implementations of the q...
K. Tuncay Tekle, Michael Gorbovitski, Yanhong A. L...