نتایج جستجو برای: bad data
تعداد نتایج: 2433455 فیلتر نتایج به سال:
History is filled with examples of bad data. Christopher Columbus set sail for Asia but discovered America instead because he was using Roman miles while his geographer Alfraganus Arabic ...
state estimation is the foundation of any control and decision making in power networks. the first requirement for a secure network is a precise and safe state estimator in order to make decisions based on accurate knowledge of the network status. this paper introduces a new estimator which is able to detect bad data with few calculations without need for repetitions and estimation residual cal...
Nearly all of today’s Big Data systems are passive in nature. We demonstrate our Big Active Data (“BAD”) system, a scalable system that continuously and reliably captures Big Data and facilitates the timely and automatic delivery of new information to a large population of interested users as well as supporting analyses of historical information. We built our BAD project by extending an existin...
The data describing resolutions to telephone network local loop \troubles," from which we wish to learn rules for dispatching technicians , are notoriously unreliable. Anecdotes abound detailing reasons why a resolution entered by a technician would not be valid, ranging from sympathy to fear to ignorance to negligence to management pressure. In this paper, we describe four different approaches...
Realtime Detection of PMU Bad Data and Sequential Bad Data Classifications in Cyber-Physical Testbed
Modern Smart Grids incorporate physical power grids and cyber systems, creating a cyber-physical system. phasor measurement units (PMUs) transmit time synchronized data from grid to the The System Operator (SO) in layer analyzes both online offline format ensures reliability security of by sending necessary command back PMUs. However, various events such as line ground faults, frequency events,...
background: the manner in which healthcare professionals deliver bad news affects the way it is received, interpreted, understood, and dealt with. despite the fact that clinicians are responsible for breaking bad news, it has been shown that they lack skills necessary to perform this task. objectives: the purpose of this study was to explore iranian mothers’ experiences to receive bad news abou...
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