Sciweavers

1487 search results - page 57 / 298
» Representing and Querying Data Transformations
Sort
View
RAS
2006
105views more  RAS 2006»
15 years 1 months ago
Efficient visual homing based on Fourier transformed panoramic images
We present a fast and efficient homing algorithm based on Fourier transformed panoramic images. By continuously comparing Fourier coefficients calculated from the current view wit...
Wolfgang Stürzl, Hanspeter A. Mallot
GIS
2006
ACM
16 years 2 months ago
Index for fast retrieval of uncertain spatial point data
Location information gathered from a variety of sources in the form of sensor data, video streams, human observations, and so on, is often imprecise and uncertain and needs to be ...
Dmitri V. Kalashnikov, Yiming Ma, Sharad Mehrotra,...
ALENEX
2001
215views Algorithms» more  ALENEX 2001»
15 years 2 months ago
An Empirical Study of a New Approach to Nearest Neighbor Searching
In nearest neighbor searching we are given a set of n data points in real d-dimensional space, d , and the problem is to preprocess these points into a data structure, so that give...
Songrit Maneewongvatana, David M. Mount
WEBDB
2005
Springer
97views Database» more  WEBDB 2005»
15 years 6 months ago
The Framework of an XML Semantic Caching System
As a simple XML query language but with enough expressive power, XPath has become very popular. To expedite evaluation of XPath queries, we consider the problem of caching results...
Wanhong Xu
ICDE
2007
IEEE
119views Database» more  ICDE 2007»
15 years 7 months ago
Stream Variables: A Quick but not Dirty SQL Extension for Continuous Queries
The ability to query data streams is of increasing importance and has been identified as a crucial element for modern organizations and agencies. This paper identifies a class o...
Damianos Chatziantoniou, Yannis Sotiropoulos