نتایج جستجو برای: transportation time
تعداد نتایج: 1934487 فیلتر نتایج به سال:
Perceived dependencies lead to time series profiles of prices in markets characterised by overconfident investors that manifest the empirically documented overreaction, momentum and mean reversion effects within a unified and robust modelling structure. Confirmatory bias is demonstrated to induce such perceived signal dependencies.
This article presents the results of a quasi-experimental research project investigating the impact of two different formal learning spaces – a traditional classroom and a technologically enhanced active learning classroom – on instructor behavior, classroom activities, and levels of ontask student behavior at the University of Minnesota. Using time-series data collected as part of a series of ...
This paper is an endeavor to quantify the concept of sustainable transportation. The prevailing idea in the context of sustainable development (SD) emphasizes on the reduction of transportation demand in order to reduce the environmental and social consequences of it. Nevertheless, in the current paper using a measure for SD, and based on the conformity of the growths of all sectors with transp...
A common problem of existing methods for regime shift detection is their poor performance at the ends of time-series. Consequently, shifts in environmental and biological indices are usually detected long after their actual appearance. A recently introduced method based on sequential t-test analysis of regime shifts (STARS) treats all incoming data in real time, signals the possibility of a reg...
Business processes often exhibit a high degree of variability. Process variants may manifest due to the differences in the nature of clients, heterogeneity in the type of cases, etc. Through the use of process mining techniques, one can benefit from historical event data to extract non-trivial knowledge for improving business process performance. Although some research has been performed on sup...
We propose the first general technique for proving genuine lower bounds in the expansion-based QBF proof systems ∀Exp+Res and IR-calc. We present the technique in a framework centred on natural properties of winning strategies in the ‘evaluation game’ interpretation of QBF semantics. As applications, we prove an exponential lower bound on IR-calc proof size for a whole class of formula families...
I reconsider asymmetrically warped compactifications, in which time and space have different warp factors. I call such compactifications time warps if the bulk geometry has neither entropy nor temperature. I provide an example starting from an asymptotically AdS5 spacetime where the speed of light, measured in a fixed coordinate system, is larger near the boundary than it is deep in the interio...
In recent years, the value-added created in the transportation industry is about 8 percent of GDP of Iran. Due to the high-induced effect of transportation sector on the whole economy, analyzing transportation production function and its determinant is of great value for policymakers. The objective of the present research is to estimate the transportation production for the case of Iran and to ...
background and goal: burn is an irreparable event, which results in numerous physical, psychological, social, and economic complications. the burned patients should be merely treated in a professional burn center due to vast clinical range of these patients. since, a percentage of mortality in burned patients is for the patients’ transportation from other centers; this study has aimed to invest...
abstract Introduction: An effort is being made to reduce pre-hospital emergency missions as much as possible without any harm to people and reduce the quality of services. This can be achieved by determining some characters and conditions of patients with their need for emergency services. The purpose of the present study was to determine the rate of Emergency Medical Services (EMS) use for t...
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