نتایج جستجو برای: social anomaly
تعداد نتایج: 648048 فیلتر نتایج به سال:
A simple ansatz is proposed for neutrino and charged lepton mass matrices, within the framework of universal strength for Yukawa couplings. In this framework all Yukawa couplings have equal moduli and the flavour dependence is only in their phases. We take into account the solar neutrino deficit and the atmospheric neutrino anomaly, assuming three neutrino families only. The ansatz leads in a n...
Anomaly detection systems offer the potential to identify new attacks before signatures are identified. To do so, these systems build models of normal user activity from historical data and then use these models to identify deviations from normal behavior caused by attacks. In this thesis, we develop a method of anomaly detection using protocol graphs, graph-based representations of network tra...
Attributed networks are pervasive in different domains, ranging from social networks, gene regulatory networks to financial transaction networks. This kind of rich network representation presents challenges for anomaly detection due to the heterogeneity of two data representations. A vast majority of existing algorithms assume certain properties of anomalies are given a prior. Since various typ...
One of the anomalies of the capital market is accrual anomaly. This anomaly refers to the negative relationship between returns and accruals. In the case of accrual anomaly, two behavioral and rational expectations have been raised. The main purpose of this study is to explain accrual anomaly using a new approach to distinguish an anomaly interpretation of risk interpretation. For this purpos...
OBJECTIVE The incidence of gastroschisis, a congenital anomaly where the infant abdominal wall is defective and intestines protrude from the abdominal cavity, is increasing in many countries. The role of maternal stress in some adverse birth outcomes is now well established. We tested the hypothesis that major stressful life events in the first trimester are risk factors for gastroschisis, and ...
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