341 search results - page 56 / 69 » A dynamic key management solution to access hierarchy |
166
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SIGMOD
2005
ACM
15 years 9 months ago
2005
ACM
Personalization is a powerful mechanism that helps users to cope with the abundance of information on the Web. Database query personalization achieves this by dynamically construc...
89
Voted
DAWAK
2001
Springer
15 years 2 months ago
2001
Springer
Tree based indexing structures like -trees, ·-trees, Bitmap indexes and Ê-trees have become essential for getting good performance when accessing vast datasets. However, most dat...
ICDE
2007
IEEE
15 years 3 months ago
2007
IEEE
Separation of duties (SoD) is a key security requirement for many business and information systems. Role Based Access Controls (RBAC) is a relatively new paradigm for protecting i...
158
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SIGMOD
2007
ACM
15 years 9 months ago
2007
ACM
This paper presents HomeViews, a peer-to-peer middleware system for building personal data management applications. HomeViews provides abstractions and services for data organizat...
159
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POPL
2006
ACM
15 years 9 months ago
2006
ACM
Virtual classes are class-valued attributes of objects. Like virtual methods, virtual classes are defined in an object's class and may be redefined within subclasses. They re...