16843 search results - page 12 / 3369 » On Generalized Authorization Problems |
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
Authorization in SQL is currently at the level of tables or columns. Many applications need a finer level of control. We propose a model for fine-grained authorization based on ad...
FOCS
2005
IEEE
14 years 1 months ago
2005
IEEE
Robust optimization has traditionally focused on uncertainty in data and costs in optimization problems to formulate models whose solutions will be optimal in the worstcase among ...
CDC
2009
IEEE
14 years 21 days ago
2009
IEEE
— In this paper we use partially ordered sets (posets) to study decentralized control problems arising in different settings. We show that time delayed systems with certain dela...
OIR
2007
13 years 7 months ago
2007
Purpose – The purpose of this paper is to evaluate Help features in digital libraries and identify problems related to their design. Design/methodology/approach – This study s...
BCSHCI
1997
13 years 9 months ago
1997
We review HCI problems with hypertext, and for authoring World Wide Web documents in particular. We suggest that a framework is required to understand the usability issues, and th...