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ADBIS
2000
Springer
117views Database» more  ADBIS 2000»
15 years 10 months ago
Multiversion Linear Quadtree for Spatio-Temporal Data
Research in spatio-temporal databases has largely focused on extensions of access methods for the proper handling of time changing spatial information. In this paper, we present th...
Theodoros Tzouramanis, Michael Vassilakopoulos, Ya...
BMCBI
2008
139views more  BMCBI 2008»
15 years 6 months ago
A topological transformation in evolutionary tree search methods based on maximum likelihood combining p-ECR and neighbor joinin
Background: Inference of evolutionary trees using the maximum likelihood principle is NP-hard. Therefore, all practical methods rely on heuristics. The topological transformations...
Maozu Guo, Jian-Fu Li, Yang Liu
BMCBI
2005
136views more  BMCBI 2005»
15 years 6 months ago
Identification of clustered microRNAs using an ab initio prediction method
Background: MicroRNAs (miRNAs) are endogenous 21 to 23-nucleotide RNA molecules that regulate protein-coding gene expression in plants and animals via the RNA interference pathway...
Alain Sewer, Nicodème Paul, Pablo Landgraf,...
MATA
2005
Springer
146views Communications» more  MATA 2005»
16 years 20 hour ago
Distributed Authorization Framework for Mobile Agents
Abstract. Mobile agent systems provide new perspectives for distributed e-commerce applications. These applications may present specific restrictions, making mobile agent systems ...
Guillermo Navarro, Jose A. Ortega-Ruiz, Joan Ametl...
ICDE
2006
IEEE
134views Database» more  ICDE 2006»
16 years 7 months ago
ISOMER: Consistent Histogram Construction Using Query Feedback
Database columns are often correlated, so that cardinality estimates computed by assuming independence often lead to a poor choice of query plan by the optimizer. Multidimensional...
Utkarsh Srivastava, Peter J. Haas, Volker Markl, M...