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SODA
2012
ACM
170views Algorithms» more  SODA 2012»
13 years 9 months ago
Compression via matroids: a randomized polynomial kernel for odd cycle transversal
The Odd Cycle Transversal problem (OCT) asks whether a given graph can be made bipartite by deleting at most k of its vertices. In a breakthrough result Reed, Smith, and Vetta (Op...
Stefan Kratsch, Magnus Wahlström
MSWIM
2003
ACM
15 years 11 months ago
Randomized location service in mobile ad hoc networks
Mobile Ad-Hoc Networks (MANETS) are networks of mobile nodes that do not have a fixed infrastructure. Recent research in this field addresses ways of solving existing problems i...
Sangeeta Bhattacharya
SIGMOD
1999
ACM
87views Database» more  SIGMOD 1999»
15 years 10 months ago
On Random Sampling over Joins
A major bottleneck in implementing sampling as a primitive relational operation is the ine ciency ofsampling the output of a query. It is not even known whether it is possible to ...
Surajit Chaudhuri, Rajeev Motwani, Vivek R. Narasa...
JCO
2006
234views more  JCO 2006»
15 years 6 months ago
Coverage by directional sensors in randomly deployed wireless sensor networks
We study a novel "coverage by directional sensors" problem with tunable orientations on a set of discrete targets. We propose a Maximum Coverage with Minimum Sensors (MCM...
Jing Ai, Alhussein A. Abouzeid
ACL
2009
15 years 4 months ago
Answering Opinion Questions with Random Walks on Graphs
Opinion Question Answering (Opinion QA), which aims to find the authors' sentimental opinions on a specific target, is more challenging than traditional factbased question an...
Fangtao Li, Yang Tang, Minlie Huang, Xiaoyan Zhu