Sciweavers

680 search results - page 107 / 136
» Implementing database operations using SIMD instructions
Sort
View
DMDW
2001
106views Management» more  DMDW 2001»
13 years 10 months ago
SISYPHUS: A Chunk-Based Storage Manager for OLAP Cubes
In this paper, we present SISYPHUS, a storage manager for data cubes that provides an efficient physical base for performing OLAP operations. On-Line Analytical Processing (OLAP) ...
Nikos Karayannidis, Timos K. Sellis
PLDI
2005
ACM
14 years 2 months ago
TraceBack: first fault diagnosis by reconstruction of distributed control flow
Faults that occur in production systems are the most important faults to fix, but most production systems lack the debugging facilities present in development environments. TraceB...
Andrew Ayers, Richard Schooler, Chris Metcalf, Ana...
ACSAC
2010
IEEE
13 years 5 months ago
Heap Taichi: exploiting memory allocation granularity in heap-spraying attacks
Heap spraying is an attack technique commonly used in hijacking browsers to download and execute malicious code. In this attack, attackers first fill a large portion of the victim...
Yu Ding, Tao Wei, Tielei Wang, Zhenkai Liang, Wei ...
SIGMOD
1993
ACM
150views Database» more  SIGMOD 1993»
14 years 22 days ago
Predicate Migration: Optimizing Queries with Expensive Predicates
The traditional focus of relational query optimization schemes has been on the choice of join methods and join orders. Restrictions have typically been handled in query optimizers ...
Joseph M. Hellerstein, Michael Stonebraker
USENIX
2007
13 years 11 months ago
Hyperion: High Volume Stream Archival for Retrospective Querying
Network monitoring systems that support data archival and after-the-fact (retrospective) queries are useful for a multitude of purposes, such as anomaly detection and network and ...
Peter Desnoyers, Prashant J. Shenoy