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» Similarity estimation techniques from rounding algorithms
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CIKM
2005
Springer
14 years 1 months ago
Finding similar questions in large question and answer archives
There has recently been a significant increase in the number of community-based question and answer services on the Web where people answer other peoples’ questions. These serv...
Jiwoon Jeon, W. Bruce Croft, Joon Ho Lee
UM
2009
Springer
14 years 2 months ago
What Have the Neighbours Ever Done for Us? A Collaborative Filtering Perspective
Collaborative filtering (CF) techniques have proved to be a powerful and popular component of modern recommender systems. Common approaches such as user-based and item-based metho...
Rachael Rafter, Michael P. O'Mahony, Neil J. Hurle...
ICMCS
2010
IEEE
172views Multimedia» more  ICMCS 2010»
13 years 9 months ago
Pixel-based motion vector concatenation for Reference Picture Selection
Reference Picture Selection (RPS) is a powerful error control technique for video streaming. Previously, two fast block-based motion vector concatenation (MVC) algorithms were pro...
Hadi Hadizadeh, Ivan V. Bajic
BMCBI
2010
112views more  BMCBI 2010»
13 years 8 months ago
A boundary delimitation algorithm to approximate cell soma volumes of bipolar cells from topographical data obtained by scanning
Background: Cell volume determination plays a pivotal role in the investigation of the biophysical mechanisms underlying various cellular processes. Whereas light microscopy in pr...
Patrick Happel, Kerstin Moller, Ralf Kunz, Irmgard...
SODA
2000
ACM
127views Algorithms» more  SODA 2000»
13 years 9 months ago
Dimensionality reduction techniques for proximity problems
In this paper we give approximation algorithms for several proximity problems in high dimensional spaces. In particular, we give the rst Las Vegas data structure for (1 + )-neares...
Piotr Indyk