Sciweavers

792 search results - page 55 / 159
» Computing Iceberg Queries Efficiently
Sort
View
ALGORITHMICA
2004
132views more  ALGORITHMICA 2004»
14 years 9 months ago
A General Model for Authenticated Data Structures
Query answers from on-line databases can easily be corrupted by hackers or malicious database publishers. Thus it is important to provide mechanisms which allow clients to trust th...
Charles U. Martel, Glen Nuckolls, Premkumar T. Dev...
ESOP
2009
Springer
15 years 1 months ago
An Efficient Algorithm for Solving the Dyck-CFL Reachability Problem on Trees
The context-free language (CFL) reachability problem is well known and studied in computer science, as a fundamental problem underlying many important static analyses such as point...
Hao Yuan, Patrick Th. Eugster
DAGSTUHL
2004
14 years 11 months ago
The Priority R-Tree: A Practically Efficient and Worst-Case-Optimal R-Tree
We present the Priority R-tree, or PR-tree, which is the first R-tree variant that always answers a window query using O((N/B)1-1/d + T/B) I/Os, where N is the number of ddimensio...
Lars Arge, Mark de Berg, Herman J. Haverkort, Ke Y...
JMLR
2006
206views more  JMLR 2006»
14 years 10 months ago
New Algorithms for Efficient High-Dimensional Nonparametric Classification
This paper is about non-approximate acceleration of high-dimensional nonparametric operations such as k nearest neighbor classifiers. We attempt to exploit the fact that even if w...
Ting Liu, Andrew W. Moore, Alexander G. Gray
SIGMOD
2005
ACM
103views Database» more  SIGMOD 2005»
15 years 10 months ago
Verifying Completeness of Relational Query Results in Data Publishing
In data publishing, the owner delegates the role of satisfying user queries to a third-party publisher. As the publisher may be untrusted or susceptible to attacks, it could produ...
HweeHwa Pang, Arpit Jain, Krithi Ramamritham, Kian...