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GIS
2005
ACM
16 years 4 months ago
Improving the R*-tree with outlier handling techniques
The R*-tree, as a state-of-the-art spatial index, has already found its way into commercial systems like Oracle. In this paper, we aim at improving query performance of the R*tree...
Tian Xia, Donghui Zhang
RECOMB
2009
Springer
16 years 4 months ago
COE: A General Approach for Efficient Genome-Wide Two-Locus Epistasis Test in Disease Association Study
The availability of high density single nucleotide polymorphisms (SNPs) data has made genome-wide association study computationally challenging. Twolocus epistasis (gene-gene inter...
Xiang Zhang, Feng Pan, Yuying Xie, Fei Zou, Wei Wa...
SIGMOD
2009
ACM
157views Database» more  SIGMOD 2009»
16 years 4 months ago
Authenticated join processing in outsourced databases
Database outsourcing requires that a query server constructs a proof of result correctness, which can be verified by the client using the data owner's signature. Previous aut...
Yin Yang, Dimitris Papadias, Stavros Papadopoulos,...
DBKDA
2010
IEEE
169views Database» more  DBKDA 2010»
15 years 9 months ago
XLeaf: Twig Evaluation with Skipping Loop Joins and Virtual Nodes
Abstract—XML indexing and search has become an important topic, and twig joins are key building blocks in XML search systems. This paper describes a novel approach using a nested...
Nils Grimsmo, Truls Amundsen Bjørklund, &Os...
CCGRID
2009
IEEE
15 years 7 months ago
Hierarchical Caches for Grid Workflows
From personal software to advanced systems, caching mechanisms have steadfastly been a ubiquitous means for reducing workloads. It is no surprise, then, that under the grid and clu...
David Chiu, Gagan Agrawal