127 search results - page 12 / 26 » Conjunctive Query Containment under Access Limitations |
ICDM
2007
IEEE
15 years 3 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...
166
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ICDE
2009
IEEE
15 years 11 months ago
2009
IEEE
In recent years, the sketch-based technique has been presented as an effective method for counting stream items on processors with limited storage and processing capabilities, such...
SIGMOD
2003
ACM
15 years 9 months ago
2003
ACM
The skyline of a set of d-dimensional points contains the points that are not dominated by any other point on all dimensions. Skyline computation has recently received considerabl...
105
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SPIRE
2004
Springer
15 years 2 months ago
2004
Springer
Abstract Searching information resources using mobile devices is affected by displays on which only a small fraction of the set of ranked documents can be displayed. In this study ...
116
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EDBT
2002
ACM
15 years 9 months ago
2002
ACM
Applying meta search systems is a suitable method to support the user if there are many different services. Due to information splitting strategies of literature services existing ...