Sciweavers

391 search results - page 67 / 79
» Predicting Indexer Performance in a Distributed Digital Libr...
Sort
View
GIS
2005
ACM
15 years 10 months ago
Close pair queries in moving object databases
Databases of moving objects are important for air traffic control, ground traffic, and battlefield configurations. We introduce the (historical and spatial) range close-pair query...
Panfeng Zhou, Donghui Zhang, Betty Salzberg, Gene ...
KDD
2006
ACM
179views Data Mining» more  KDD 2006»
15 years 10 months ago
Extracting key-substring-group features for text classification
In many text classification applications, it is appealing to take every document as a string of characters rather than a bag of words. Previous research studies in this area mostl...
Dell Zhang, Wee Sun Lee
SIGMOD
2009
ACM
171views Database» more  SIGMOD 2009»
15 years 9 months ago
GAMPS: compressing multi sensor data by grouping and amplitude scaling
We consider the problem of collectively approximating a set of sensor signals using the least amount of space so that any individual signal can be efficiently reconstructed within...
Sorabh Gandhi, Suman Nath, Subhash Suri, Jie Liu
SIGMOD
2003
ACM
136views Database» more  SIGMOD 2003»
15 years 9 months ago
A Characterization of the Sensitivity of Query Optimization to Storage Access Cost Parameters
Most relational query optimizers make use of information about the costs of accessing tuples and data structures on various storage devices. This information can at times be off b...
Frederick Reiss, Tapas Kanungo
EUROSYS
2010
ACM
15 years 2 months ago
Defeating return-oriented rootkits with "Return-Less" kernels
Targeting the operating system (OS) kernels, kernel rootkits pose a formidable threat to computer systems and their users. Recent efforts have made significant progress in blocki...
Jinku Li, Zhi Wang, Xuxian Jiang, Michael C. Grace...