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SIGKDD
2008
107views more  SIGKDD 2008»
13 years 7 months ago
A privacy-aware trajectory tracking query engine
Advances in telecommunications and GPS sensors technology have made possible the collection of data like time series of locations, related to the movement of individuals. The anal...
Aris Gkoulalas-Divanis, Vassilios S. Verykios
PAMI
2008
173views more  PAMI 2008»
13 years 7 months ago
Bayes Classification of Online Arabic Characters by Gibbs Modeling of Class Conditional Densities
This study investigates Bayes classification of online Arabic characters using histograms of tangent differences and Gibbs modeling of the class-conditional probability density fun...
Neila Mezghani, Amar Mitiche, Mohamed Cheriet
VLDB
2005
ACM
106views Database» more  VLDB 2005»
14 years 1 months ago
Adaptive Stream Filters for Entity-based Queries with Non-Value Tolerance
We study the problem of applying adaptive filters for approximate query processing in a distributed stream environment. We propose filter bound assignment protocols with the obj...
Reynold Cheng, Ben Kao, Sunil Prabhakar, Alan Kwan...
DATESO
2010
153views Database» more  DATESO 2010»
13 years 5 months ago
Answering Metric Skyline Queries by PM-tree
Abstract. The task of similarity search in multimedia databases is usually accomplished by range or k nearest neighbor queries. However, the expressing power of these "single-...
Tomás Skopal, Jakub Lokoc
ICDE
2010
IEEE
262views Database» more  ICDE 2010»
14 years 7 months ago
Approximate String Search in Spatial Databases
Abstract-- This work presents a novel index structure, MHRtree, for efficiently answering approximate string match queries in large spatial databases. The MHR-tree is based on the ...
Bin Yao, Feifei Li, Marios Hadjieleftheriou, Kun H...