120 search results - page 5 / 24 » Improved Steiner tree approximation in graphs |
ICDE
2009
IEEE
14 years 2 months ago
2009
IEEE
— Large graphs and networks are abundant in modern information systems: entity-relationship graphs over relational data or Web-extracted entities, biological networks, social onl...
NETWORKS
1998
13 years 7 months ago
1998
DAC
2006
ACM
14 years 8 months ago
2006
ACM
Steiner routing is a fundamental yet NP-hard problem in VLSI design and other research fields. In this paper, we propose to model the routing graph by an RC network with routing t...
ICALP
2005
Springer
14 years 1 months ago
2005
Springer
In the Euclidean group Traveling Salesman Problem (TSP), we are given a set of points P in the plane and a set of m connected regions, each containing at least one point of P. We w...
STOC
2003
ACM
14 years 7 months ago
2003
ACM
In this paper, we show that any n point metric space can be embedded into a distribution over dominating tree metrics such that the expected stretch of any edge is O(log n). This ...