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» The Shortcut Problem - Complexity and Approximation
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SSD
2005
Springer
98views Database» more  SSD 2005»
15 years 9 months ago
Medoid Queries in Large Spatial Databases
Assume that a franchise plans to open k branches in a city, so that the average distance from each residential block to the closest branch is minimized. This is an instance of the ...
Kyriakos Mouratidis, Dimitris Papadias, Spiros Pap...
VLDB
2005
ACM
121views Database» more  VLDB 2005»
15 years 9 months ago
Online Estimation For Subset-Based SQL Queries
The largest databases in use today are so large that answering a query exactly can take minutes, hours, or even days. One way to address this problem is to make use of approximati...
Chris Jermaine, Alin Dobra, Abhijit Pol, Shantanu ...
WADS
2005
Springer
132views Algorithms» more  WADS 2005»
15 years 9 months ago
k-Link Shortest Paths in Weighted Subdivisions
We study the shortest path problem in weighted polygonal subdivisions of the plane, with the additional constraint of an upper bound, k, on the number of links (segments) in the pa...
Ovidiu Daescu, Joseph S. B. Mitchell, Simeon C. Nt...
CP
2004
Springer
15 years 9 months ago
Hybrid Set Domains to Strengthen Constraint Propagation and Reduce Symmetries
In CP literature combinatorial design problems such as sport scheduling, Steiner systems, error-correcting codes and more, are typically solved using Finite Domain (FD) models desp...
Andrew Sadler, Carmen Gervet
ACSC
2003
IEEE
15 years 9 months ago
A Practical Method to Counteract Denial of Service Attacks
Today distributed denial of service (DDoS) attacks are causing major problems to conduct online business over the Internet. Recently several schemes have been proposed on how to p...
Udaya Kiran Tupakula, Vijay Varadharajan