Sciweavers

237 search results - page 17 / 48
» Methods for Achieving Fast Query Times in Point Location Dat...
Sort
View
SSD
2007
Springer
243views Database» more  SSD 2007»
14 years 2 months ago
Continuous Medoid Queries over Moving Objects
In the k-medoid problem, given a dataset P, we are asked to choose k points in P as the medoids. The optimal medoid set minimizes the average Euclidean distance between the points ...
Stavros Papadopoulos, Dimitris Sacharidis, Kyriako...
DCC
2007
IEEE
14 years 7 months ago
Nonuniform Compression in Databases with Haar Wavelet
Data synopsis is a lossy compressed representation of data stored into databases that helps the query optimizer to speed up the query process, e.g. time to retrieve the data from ...
S. Chen, A. Nucci
ICDM
2008
IEEE
186views Data Mining» more  ICDM 2008»
14 years 2 months ago
xCrawl: A High-Recall Crawling Method for Web Mining
Web Mining Systems exploit the redundancy of data published on the Web to automatically extract information from existing web documents. The first step in the Information Extract...
Kostyantyn M. Shchekotykhin, Dietmar Jannach, Gerh...
ICCV
2009
IEEE
13 years 5 months ago
An algebraic model for fast corner detection
This paper revisits the classical problem of detecting interest points, popularly known as "corners," in 2D images by proposing a technique based on fitting algebraic sh...
Andrew Willis, Yunfeng Sui
ICIP
2010
IEEE
13 years 5 months ago
Spiral FFT: An efficient method for 3-D FFTS on spiral MRI contours
The Fast Fourier Transform (FFT) allows the Discrete Time Fourier Transform (DTFT) to be efficiently sampled on a uniform grid in frequency. In many applications, including Magnet...
Christopher K. Turnes, Justin K. Romberg