Sciweavers

1235 search results - page 185 / 247
» Updating a cracked database
Sort
View
VLDB
2007
ACM
260views Database» more  VLDB 2007»
15 years 10 months ago
Approaching the Skyline in Z Order
Given a set of multidimensional data points, skyline query retrieves a set of data points that are not dominated by any other points. This query is useful for multi-preference ana...
Ken C. K. Lee, Baihua Zheng, Huajing Li, Wang-Chie...
VLDB
2008
ACM
178views Database» more  VLDB 2008»
15 years 10 months ago
The Bdual-Tree: indexing moving objects by space filling curves in the dual space
Abstract Existing spatiotemporal indexes suffer from either large update cost or poor query performance, except for the Bx -tree (the state-of-the-art), which consists of multiple ...
Man Lung Yiu, Yufei Tao, Nikos Mamoulis
SIGMOD
2008
ACM
85views Database» more  SIGMOD 2008»
15 years 10 months ago
The ORCHESTRA Collaborative Data Sharing System
Sharing structured data today requires standardizing upon a single schema, then mapping and cleaning all of the data. This results in a single queriable mediated data instance. Ho...
Zachary G. Ives, Todd J. Green, Grigoris Karvounar...
SIGMOD
2008
ACM
193views Database» more  SIGMOD 2008»
15 years 10 months ago
Efficient provenance storage
Scientific workflow systems are increasingly used to automate complex data analyses, largely due to their benefits over traditional approaches for workflow design, optimization, a...
Adriane Chapman, H. V. Jagadish, Prakash Ramanan
SIGMOD
2007
ACM
156views Database» more  SIGMOD 2007»
15 years 10 months ago
M-invariance: towards privacy preserving re-publication of dynamic datasets
The previous literature of privacy preserving data publication has focused on performing "one-time" releases. Specifically, none of the existing solutions supports re-pu...
Xiaokui Xiao, Yufei Tao