373 search results - page 29 / 75 » Querying Priced Information in Databases: The Conjunctive Ca... |
CJ
2010
14 years 9 months ago
2010
Abstract. Motivated by research on how topology may be a helpful foundation for building information modeling (BIM), a relational database version of the notions of chain complex a...
PODS
2000
ACM
15 years 2 months ago
2000
ACM
We study the problem of auditing databases which support statistical sum queries to protect the security of sensitive information; we focus on the special case in which the sensit...
TKDE
2008
14 years 9 months ago
2008
Malicious users can exploit the correlation among data to infer sensitive information from a series of seemingly innocuous data accesses. Thus, we develop an inference violation d...
DASFAA
2008
IEEE
15 years 4 months ago
2008
IEEE
Twig pattern matching (TPM) is the core operation of XML query processing. Existing approaches rely on either efficient data structures or novel labeling/indexing schemes to reduce...
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RIDE
1993
IEEE
15 years 1 months ago
1993
IEEE
In this paper, we describe a framework for an object-oriented modeling of meta information and its use for the integration of heterogeneous databases with the goal of their intero...