928 search results - page 159 / 186 » Analysis and optimization of active databases |
VLDB
2004
ACM
14 years 3 months ago
2004
ACM
It is well established that bitmap indices are efficient for read-only attributes with low attribute cardinalities. For an attribute with a high cardinality, the size of the bitma...
EDBT
2010
ACM
14 years 3 months ago
2010
ACM
The creation of a generic and modular query optimization and processing infrastructure can provide significant benefits to XML data management. Key pieces of such an infrastructur...
IROS
2008
IEEE
14 years 4 months ago
2008
IEEE
— In this paper we outline a grasp planning system designed to augment the cortical control of a prosthetic arm and hand. A key aspect of this task is the presence of on-line use...
SECON
2008
IEEE
14 years 4 months ago
2008
IEEE
—Energy-efficient performance is a central challenge in sensor network deployments, and the radio is a major contributor to overall energy node consumption. Current energyeffic...
ICRA
2007
IEEE
14 years 4 months ago
2007
IEEE
— Most robotic vision algorithms are proposed by envisaging robots operating in structured environments where the world is assumed to be rigid. These algorithms fail to provide o...