there are different strategies for selecting stocks, and different investors use different strategies according to their risk tolerance or their expected rate of return. in this study, the profitability of a broad range of stock se-lection strategies in tehran stock exchange over the period 1370-1383, has been examined, and it has been investigated whether the successful strategies in other cou...

With advances in reinforcement learning (RL), agents are now being developed high-stakes application domains such as healthcare and transportation. Explaining the behavior of these is challenging, environments which they act have large state spaces, their decision-making can be affected by delayed rewards, making it difficult to analyze behavior. To address this problem, several approaches been...

changes in credit risk may arise when either the value or the risk of corporate assets changes. changes in the equity value associated with the changes in the asset value and changes in asset risk can be characterized into potentially countervailing direct and indirect effects. the indirect effect of risk on equity value is a function of factors that affect the debt value of including leverage,...

Countries unaccustomed to wildfires are currently experiencing wildfire as a new climate-change reality. Understanding how fire ignition and propagation correlated with temperature, orography, humidity, wind, the mixture age of individual plants must be considered when designing prevention strategies. While focuses on avoidance, firefighting success depends early detection, meaning that, in eit...

We introduce FOVEA: a foveated vergent active stereo vision system. FOVEA actively directs a pair of vergent stereo cameras to fixate on surfaces in a scene, performing multiresolution surface depth recovery at each fixation point, and accumulating and integrating a multiresolution map of surface depth over multiple successive fixations. Several features of the system are novel: an active fovea...

Business strategy lays out the plan of an enterprise to achieve its vision by providing value to its customers. Typically, business strategy focuses on economic value and its relevant exchanges with customers and does not directly address consumer values. However, consumer values drive customers’ choices and decisions to use a product or service, and therefore should have a direct impact on bus...