2043 search results - page 266 / 409 » The Limits of Querying Ontologies |
CSFW
2011
IEEE
12 years 9 months ago
2011
IEEE
—This paper explores the idea of knowledge-based security policies, which are used to decide whether to answer queries over secret data based on an estimation of the querier’s ...
ICDE
2012
IEEE
11 years 11 months ago
2012
IEEE
Abstract— Previous work has introduced probability distributions as first-class components in uncertain stream database systems. A lacking element is the fact of how accurate the...
ESAW
2009
Springer
14 years 3 months ago
2009
Springer
Abstract. In systems based on organisational specifications a reoccurring problem remains to be solved in the disparity between the level actness of the organisational concepts an...
DESRIST
2009
Springer
14 years 2 months ago
2009
Springer
The paper elaborates on the theoretical foundation of Information System understood as a field of design science. Revisiting Hevner’s et al. seminal paper [44], we elaborate on ...
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
In this paper we explore database segmentation in the context of a column-store DBMS targeted at a scientific database. We present a novel hardware- and scheme-oblivious segmentati...