1890 search results - page 89 / 378 » Querying Big Data by Accessing Small Data |
112
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DOLAP
2005
ACM
15 years 1 months ago
2005
ACM
Online Analytical Processing is a powerful framework for the analysis of organizational data. OLAP is often supported by a logical structure known as a data cube, a multidimension...
ICDM
2007
IEEE
15 years 5 months ago
2007
IEEE
Data security is a critical issue for many organizations. Sensitive data must be protected from both inside and outside attackers. Access control policies and related mechanisms h...
111
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CCS
2008
ACM
15 years 1 months ago
2008
ACM
We propose an approach for the selective enforcement of access control restrictions in, possibly distributed, large data collections based on two basic concepts: i) flexible autho...
ALGORITHMICA
2004
14 years 11 months ago
2004
Query answers from on-line databases can easily be corrupted by hackers or malicious database publishers. Thus it is important to provide mechanisms which allow clients to trust th...
114
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IJFCS
2002
14 years 10 months ago
2002
We propose a new data structure to compute the Delaunay triangulation of a set of points in the plane. It combines good worst case complexity, fast behavior on real data, small me...