Sciweavers

1787 search results - page 102 / 358
» Approximation Techniques for Spatial Data
Sort
View
SSDBM
2005
IEEE
148views Database» more  SSDBM 2005»
14 years 2 months ago
A Fast Approximation Scheme for Probabilistic Wavelet Synopses
Several studies have demonstrated the effectiveness of Haar wavelets in reducing large amounts of data down to compact wavelet synopses that can be used to obtain fast, accurate a...
Antonios Deligiannakis, Minos N. Garofalakis, Nick...
VLDB
2005
ACM
93views Database» more  VLDB 2005»
14 years 2 months ago
Indexing Mixed Types for Approximate Retrieval
In various applications such as data cleansing, being able to retrieve categorical or numerical attributes based on notions of approximate match (e.g., edit distance, numerical di...
Liang Jin, Nick Koudas, Chen Li, Anthony K. H. Tun...
CVPR
2005
IEEE
14 years 11 months ago
Rank-R Approximation of Tensors: Using Image-as-Matrix Representation
We present a novel multilinear algebra based approach for reduced dimensionality representation of image ensembles. We treat an image as a matrix, instead of a vector as in tradit...
Hongcheng Wang, Narendra Ahuja
SIGMOD
2008
ACM
142views Database» more  SIGMOD 2008»
14 years 9 months ago
Cost-based variable-length-gram selection for string collections to support approximate queries efficiently
Approximate queries on a collection of strings are important in many applications such as record linkage, spell checking, and Web search, where inconsistencies and errors exist in...
Xiaochun Yang, Bin Wang, Chen Li
W2GIS
2007
Springer
14 years 3 months ago
Towards the Next Generation of Location-Based Services
Location-based services (LBS) constitute an emerging application domain rapidly introduced in modern life habits. However, given that LBS already count a few years of commercial li...
Elias Frentzos, Kostas Gratsias, Yannis Theodoridi...