420 search results - page 51 / 84 » Discovering Conditional Functional Dependencies |
128
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DLOG
2007
15 years 6 months ago
2007
We now know that the addition of a concept constructor called a Path Functional Dependency (PFD) to the Boolean-complete description logic DLF leads to undecidability of ABox consi...
125
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INFORMATICALT
2006
15 years 4 months ago
2006
Abstract. Robust stability results for nominally linear hybrid systems are obtained from total stability theorems for purely continuous-time and discrete-time systems. The class of...
123
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TIT
2008
15 years 4 months ago
2008
An underdetermined linear system of equations Ax = b with non-negativity constraint x 0 is considered. It is shown that for matrices A with a row-span intersecting the positive o...
138
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JNW
2007
15 years 4 months ago
2007
— Wireless sensor networks must measure environmental conditions, such as temperature, over extended periods and therefore require a long system lifetime. The design of long life...
147
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CN
2004
15 years 4 months ago
2004
Congestion-based pricing of network resources is a common approach in evolving network architectures that support Quality of Service (QoS). Resource usage and QoS will thus fluctu...