In this work we experiment with the application of island models to Estimation of Distribution Algorithms (EDAs) in the field of combinatorial optimization. This study is motivated by the success obtained by these models when applied to other meta-heuristics (such as genetic algorithms, simulated annealing or VNS) and by the use of a compact representation of the population that make EDAs throu...

In this paper we address model selection in Estimation of Distribution Algorithms (EDAs) based on variables trasformations. Instead of the classic approach based on the choice of a statistical model able to represent the interactions among the variables in the problem, we propose to learn a transformation of the variables before the estimation of the parameters of a fixed model in the transform...

Estimation of distribution algorithms (EDAs) that use marginal product model factorizations have been widely applied to a broad range of mainly binary optimization problems. In this paper, we introduce the affinity propagation EDA (AffEDA) which learns a marginal product model by clustering a matrix of mutual information learned from the data using a very efficient message-passing algorithm kno...

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Cognitive Agents must be able to decide their actions based on their recognized states. In general, learning mechanisms are equipped for such agents in order to realize intellgent behaviors. In this paper, we propose a new Estimation of Distribution Algorithms (EDAs) which can acquire effective rules for cognitive agents. Basic calculation procedure of the EDAs is that 1) select better individu...

Estimation of distribution algorithms (EDAs) provide a distribution-based approach for optimization which adapts its probability during the run algorithm. We contribute to theoretical understanding EDAs and point out that their makes them more suitable deal with rugged fitness landscapes than classical local search algorithms. Concretely, we make OneMax function by adding noise each value. The ...

OBJECTIVE This prospective study was designed to confirm the role of atorvastatin in collateral circulation formation induced by encephaloduroarteriosynangiosis (EDAS) patients with moyamoya disease (MMD). METHODS Patients who were diagnosed MMD at Department Neurosurgery Fifth Medical Center Chinese PLA General Hospital, Beijing, China, between June 2017 and May 2018 included. Blood samples ob...

In 2007, Ford, in cooperation with Microsoft, introduced an in-car communication and entertainment system, SYNC. This system enables Bluetooth and USB connectivity for consumer phones and MP3 players and allows hands-free voice-activated control of brought-in devices. Since its initial introduction, there has been rapid growth of SYNC-enabled services, such as remote monitoring of vehicle healt...

سابقه و هدف: امروزه صنعتی شدن توسعه شهرنشینی باعث آلودگی هوا در اکثر کلان‌شهرهای جهان شده است سالانه میلیون­ ها نفر به ­علت جان خود را از دست می­ دهند. ﺑﺎ ﺗﻮﺟﻪ ﺑﻪ ﻣﺤﺪود ﺑﻮدن ﺷﺒﻜﻪ اﻳﺴﺘﮕﺎه‌ﻫﺎى ﭘﺎﻳﺶ آﻻﻳﻨﺪه‌ﻫﺎى ﻫﻮا ﻏﻴﺮ اﻗﺘﺼﺎدى اﻓﺰاﻳﺶ ﺗﻌﺪاد این اﻳﺴــﺘﮕﺎه‌ﻫا سطح شهرها، دﺳﺖ‌ﻳﺎﺑﻰ ﭘﻮﺷــﺶ ﻣﻜﺎﻧﻰ زﻣﺎﻧﻰ ﻣﻨﺎﺳــﺐ برای ﻧﺸﺎن دادن ﺗﻐﻴﻴﺮات ﻏﻠﻈﺖ ذرات آلاینده ﺑﺴﻴﺎر دﺷﻮار اﺳﺖ. بر اساس پژوهش حاضر با هدف تهیه نقشه ­ها...