نتایج جستجو برای: attacks

تعداد نتایج: 57358  

A unified method for statistical anomaly detection in intrusion detection systems is theoretically introduced. It is based on estimating a dispersion measure of numerical or symbolic data on successive moving windows in time and finding the times when a relative change of the dispersion measure is significant. Appropriate dispersion measures, relative differences, moving windows, as well as tec...

Journal: :Biometrics 2008
Sang Han Lee Johan Lim Marina Vannucci Eva Petkova Maurice Preter Donald F Klein

The paper here presented was motivated by a case study involving high-dimensional and high-frequency tidal volume traces measured during induced panic attacks. The focus was to develop a procedure to determine the significance of whether a mean curve dominates another one. The key idea of the suggested method relies on preserving the order in mean while reducing the dimension of the data. The o...

Journal: :Biological psychology 2010
David Rosenfield Enlu Zhou Frank H Wilhelm Ansgar Conrad Walton T Roth Alicia E Meuret

Statistical methods for detecting changes in longitudinal time series of psychophysiological data are limited. ANOVA and mixed models are not designed to detect the existence, timing, or duration of unknown changes in such data. Change point (CP) analysis was developed to detect distinct changes in time series data. Preliminary reports using CP analysis for fMRI data are promising. Here, we ill...

Journal: :Psychological science 2004
Cheryl R Kaiser S Brooke Vick Brenda Major

We prospectively examined the relationship between individuals' belief in a just world and their desire for revenge against the perpetrators of the September 11 terrorist attacks against the United States. Eighty-three undergraduate students who had completed a measure of just-world beliefs prior to the terrorist attacks were assessed approximately 2 months following the attacks. The more stron...

Journal: :international journal of health policy and management 2014
jason-louis carmichael mohammad karamouzian

war has devastating implications for families, communities, cultures, economies, and state infrastructure. similarly, the last decade has seen an increase in the number of attacks against health workers in conflict zones and unstable environments. unfortunately, these attacks have grave consequences for local populations which often rely on foreign aid programs for their health and well-being. ...

Journal: :bulletin of emergency and trauma 0
amir khorram-manesh prehospital and disaster medicine center, department of surgery, institution of clinical sciences, sahlgrenska academy, gothenburg university

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Journal: :iranian journal of neurology 0
omid sadeghi food security research center and department of community nutrition, school of nutrition and food science, isfahan university of medical sciences, isfahan, iran. morteza nasiri department of research committee, school of nursing and midwifery, ahvaz jundishapur university of medical sciences, ahvaz, iran. zahra maghsoudi food security research center and department of community nutrition, school of nutrition and food science, isfahan university of medical sciences, isfahan, iran. naseh pahlavani food security research center and department of community nutrition, school of nutrition and food science, isfahan university of medical sciences, isfahan, iran. masoud rezaie department of research committee, school of nursing and midwifery, isfahan university of medical sciences, isfahan, iran. gholamreza askari food security research center and department of community nutrition, school of nutrition and food science, isfahan university of medical sciences, isfahan, iran.

background: migraine is a chronic disease that affects nearly 6% of men and 18% of women worldwide. there are various drugs, which can successfully decrease migraine symptoms and frequency of migraine attacks, but these drugs usually are expensive. hence, this study aimed to assess the effects of pyridoxine  supplementation on severity, frequency and duration of migraine attacks as well as head...

Background and aims: Multiple sclerosis (MS) is an inflammatory disease of the central nervous system.The impact of the number of attacks on the disease is undeniable. The aim of this study was to analyze thenumber of attacks in these patients.Methods: In this descriptive-analytical study, the registered data of 1840 MS patients referred to the MS clinicof Ayatollah Kash...

State estimation is used in power systems to estimate grid variables based on meter measurements. Unfortunately, power grids are vulnerable to cyber-attacks. Reducing cyber-attacks against state estimation is necessary to ensure power system safe and reliable operation. False data injection (FDI) is a type of cyber-attack that tampers with measurements. This paper proposes network reconfigurati...

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