279 search results - page 5 / 56 » Towards Adaptive Costing of Database Access Methods |
ADBIS
2004
Springer
14 years 23 days ago
2004
Springer
Nowadays, one of the main research issues of great interest is the efficient tracking of mobile objects that enables the effective answering of spatiotemporal queries. This line o...
CCS
2007
ACM
14 years 1 months ago
2007
ACM
Materialized XPath access-control views are commonly used for enforcing access control. When access control rules defining a materialized XML access-control view change, the view...
WWW
2004
ACM
14 years 8 months ago
2004
ACM
The ability of the Web to share data regardless of geographical location raises a new issue called remote authoring. With the Internet and Web browsers being independent of hardwa...
PODS
1998
ACM
13 years 11 months ago
1998
ACM
We consider the problem of estimating CPU (distance computations) and I/O costs for processing range and k-nearest neighbors queries over metric spaces. Unlike the specific case ...
AMR
2008
Springer
13 years 9 months ago
2008
Springer
Abstract. We present a prototype system for organization and exploration of music archives that adapts to the user's way of structuring music collections. Initially, a growing...