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» Indexing Large Trajectory Data Sets With SETI
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PVLDB
2008
108views more  PVLDB 2008»
13 years 7 months ago
Taming verification hardness: an efficient algorithm for testing subgraph isomorphism
Graphs are widely used to model complicated data semantics in many applications. In this paper, we aim to develop efficient techniques to retrieve graphs, containing a given query...
Haichuan Shang, Ying Zhang, Xuemin Lin, Jeffrey Xu...
ADBIS
2007
Springer
256views Database» more  ADBIS 2007»
13 years 11 months ago
Adaptive k-Nearest-Neighbor Classification Using a Dynamic Number of Nearest Neighbors
Classification based on k-nearest neighbors (kNN classification) is one of the most widely used classification methods. The number k of nearest neighbors used for achieving a high ...
Stefanos Ougiaroglou, Alexandros Nanopoulos, Apost...
KDD
2005
ACM
118views Data Mining» more  KDD 2005»
14 years 8 months ago
On the use of linear programming for unsupervised text classification
We propose a new algorithm for dimensionality reduction and unsupervised text classification. We use mixture models as underlying process of generating corpus and utilize a novel,...
Mark Sandler
GEOINFO
2003
13 years 9 months ago
Image Data Handling in Spatial Databases
The recent advances in database technology have enabled the development of a new generation of spatial databases, where the DBMS is able to manage spatial and non-spatial data typ...
Lúbia Vinhas, Ricardo Cartaxo Modesto de So...
IPMI
2003
Springer
14 years 8 months ago
Analysis of Event-Related fMRI Data Using Best Clustering Bases
We explore a new paradigm for the analysis of event-related functional magnetic resonance images (fMRI) of brain activity. We regard the fMRI data as a very large set of time serie...
François G. Meyer, Jatuporn Chinrungrueng