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» Approximation Algorithms for Data Placement Problems
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NIPS
1994
13 years 9 months ago
Efficient Methods for Dealing with Missing Data in Supervised Learning
We present efficient algorithms for dealing with the problem of missing inputs (incomplete feature vectors) during training and recall. Our approach is based on the approximation ...
Volker Tresp, Ralph Neuneier, Subutai Ahmad
VLDB
2007
ACM
107views Database» more  VLDB 2007»
14 years 8 months ago
VGRAM: Improving Performance of Approximate Queries on String Collections Using Variable-Length Grams
Many applications need to solve the following problem of approximate string matching: from a collection of strings, how to find those similar to a given string, or the strings in ...
Chen Li, Bin Wang, Xiaochun Yang
CPM
1999
Springer
92views Combinatorics» more  CPM 1999»
14 years 2 days ago
Physical Mapping with Repeated Probes: The Hypergraph Superstring Problem
We focus on the combinatorial analysis of physical mapping with repeated probes. We present computational complexity results, and we describe and analyze an algorithmic strategy. W...
Serafim Batzoglou, Sorin Istrail
IJRR
2007
60views more  IJRR 2007»
13 years 7 months ago
Randomized Algorithms for Minimum Distance Localization
We address the problem of minimum distance localization in environments that may contain self-similarities. A mobile robot is placed at an unknown location inside a ¢¤£ self-sim...
Malvika Rao, Gregory Dudek, Sue Whitesides
EDBT
2006
ACM
190views Database» more  EDBT 2006»
14 years 8 months ago
Fast Approximate Wavelet Tracking on Streams
Recent years have seen growing interest in effective algorithms for summarizing and querying massive, high-speed data streams. Randomized sketch synopses provide accurate approxima...
Graham Cormode, Minos N. Garofalakis, Dimitris Sac...