نتایج جستجو برای: kessel clustering algorithm

تعداد نتایج: 824731  

Journal: :Journal of Japan Society for Fuzzy Theory and Intelligent Informatics 2003

Journal: :journal of advances in computer engineering and technology 0
nafiseh daneshgar islamic azad university qazvin branch qazvin, iran m. habibi najafi islamic azad university qazvin branch qazvin, iran mohsen jahanshahi dept. of computer engineering central tehran branch, islamic azad university, tehran, iran ehsan ahvar institut mines-telecom telecom sudparis, evry, france

energy consumption is considered as a critical issue in wireless sensor networks (wsns). batteries of sensor nodes have limited power supply which in turn limits services and applications that can be supported by them. an efcient solution to improve energy consumption and even trafc in wsns is data aggregation (da) that can reduce the number of transmissions. two main challenges for da are: (i)...

Clustering has been one of the main building blocks in the fields of machine learning and computer vision. Given a pair-wise distance measure, it is challenging to find a proper way to identify a subset of representative exemplars and its associated cluster structures. Recent trend on big data analysis poses a more demanding requirement on new clustering algorithm to be both scalable and accura...

H. Ghoudjehbaklou and H. Seifi, M.E. Hamedani Golshan,

Finding the collapse susceptible portion of a power system is one of the purposes of voltage stability analysis. This part which is a voltage control area is called the voltage weak area. Determining the weak area and adjecent voltage control areas has special importance in the improvement of voltage stability. Designing an on-line corrective control requires the voltage weak area to be determi...

H. Ghoudjehbaklou and H. Seifi, M.E. Hamedani Golshan,

Finding the collapse susceptible portion of a power system is one of the purposes of voltage stability analysis. This part which is a voltage control area is called the voltage weak area. Determining the weak area and adjecent voltage control areas has special importance in the improvement of voltage stability. Designing an on-line corrective control requires the voltage weak area to be determi...

Journal: :journal of computer and robotics 0
rasoul behravesh faculty of computer and information technology engineering, qazvin branch, islamic azad university, qazvin, iran mohsen jahanshahi department of computer engineering, central tehran branch, islamic azad university, tehran, iran

multicast routing is one of the most important services in multi radio multi channel (mrmc) wireless mesh networks (wmn). multicast routing performance in wmns could be improved by choosing the best routes and the routes that have minimum interference to reach multicast receivers. in this paper we want to address the multicast routing problem for a given channel assignment in wmns. the channels...

Journal: :journal of advances in computer research 2013
narges mahmoodi darani vahid ahmadi zahra saadati eskandari majid yousefikhoshbakht

the capacitated clustering problem (ccp) is one of the most importantcombinational optimization problems that nowadays has many real applications inindustrial and service problems. in the ccp, a given n nodes with known demandsmust be partitioned into k distinct clusters in which each cluster is detailed by anode acting as a cluster center of this cluster. the objective is to minimize the sumof...

Journal: :Ciencia & Desarrollo 2019

Journal: :iranian journal of oil & gas science and technology 2014
seyyed hossein hosseini bidgoli ghasem zargar mohammad ali riahi

the spatial distribution of petrophysical properties within the reservoirs is one of the most importantfactors in reservoir characterization. flow units are the continuous body over a specific reservoirvolume within which the geological and petrophysical properties are the same. accordingly, anaccurate prediction of flow units is a major task to achieve a reliable petrophysical description of a...

So far, various optimization methods have been proposed, and swarm intelligence algorithms have gathered a lot of attention by academia. However, most of the recent optimization problems in the real world have a dynamic nature. Thus, an optimization algorithm is required to solve the problems in dynamic environments well. In this paper, a novel collective optimization algorithm, namely the Clus...

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