217 search results - page 30 / 44 » An optimization for query answering on ALC database |
ICDE
2006
IEEE
14 years 10 months ago
2006
IEEE
K-Anonymity has been proposed as a mechanism for protecting privacy in microdata publishing, and numerous recoding "models" have been considered for achieving kanonymity...
CIKM
2007
Springer
14 years 2 months ago
2007
Springer
In this paper, we study the problem of effective keyword search over XML documents. We begin by introducing the notion of Valuable Lowest Common Ancestor (VLCA) to accurately and ...
EDBT
2011
ACM
13 years 4 days ago
2011
ACM
Equi-depth histograms represent a fundamental synopsis widely used in both database and data stream applications, as they provide the cornerstone of many techniques such as query ...
EDBT
2009
ACM
14 years 3 months ago
2009
ACM
There has been an explosion of hyperlinked data in many domains, e.g., the biological Web. Expressive query languages and effective ranking techniques are required to convert this...
SSDBM
2003
IEEE
14 years 1 months ago
2003
IEEE
The widespread use of sensor networks presents revolutionary opportunities for life and environmental science applications. Many of these applications involve continuous queries t...