1248 search results - page 95 / 250 » Querying and Updating the File |
EDBT
2009
ACM
14 years 1 months ago
2009
ACM
In a database system, disclosure of confidential private data may occur if users can put together the answers of past queries. Traditional access control mechanisms cannot guard a...
ICDT
1999
ACM
14 years 1 months ago
1999
ACM
Abstract. In this paper we consider databases representing information about moving objects (e.g. vehicles), particularly their location. We address the problems of updating and qu...
TKDE
2010
13 years 8 months ago
2010
—Efficiency and privacy are two fundamental issues in moving object monitoring. This paper proposes a privacy-aware monitoring (PAM) framework that addresses both issues. The fra...
ICDE
2006
IEEE
14 years 11 months ago
2006
IEEE
We propose XSEED, a synopsis of path queries for cardinality estimation that is accurate, robust, efficient, and adaptive to memory budgets. XSEED starts from a very small kernel,...
EDBTW
2004
Springer
14 years 3 months ago
2004
Springer
—Over the past few years, XML (eXtensible Mark-up Language) has emerged as the standard for information representation and data exchange over the Internet. This paper provides a ...