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| 1 | Applying gravitational search algorithm in the QoS-based Web service selection problem显示文摘With the growing use of service-oriented architecture for designing next generation software systems,the service composition problem and its execution complexity have become even more important in responding to different user requests.The gravitational search algorithm is one of the latest heuristic algorithms.It has a number of distinguishing features,such as rapid convergence,lower memory usage,and the use of particular parameters,for instance,the distance between the solutions.In this paper,we propose a model for the optimization of the Web service composition problem based on qualitative measures and the gravitational search algorithm.To determine the efficacy of this proposed model we solve the problem with the particle swarm optimization algorithm for comparison.Simulation results show that the gravitational search algorithm has a high potential and substantial efficiency in finding the best combination of Web services. | Bahareh ZIBANEZHAD Kamran ZAMANIFAR Razieh Sadat SADJADY Yousef RASTEGARI | 2011 | Journal of Zhejiang University-Science C(Computers and Electronics)2011，12，9： | 13 |
| 2 | An extended discrete particle swarm optimization algorithm for the dynamic facility layout problem显示文摘We extended an improved version of the discrete particle swarm optimization (DPSO) algorithm proposed by Liao et al.(2007) to solve the dynamic facility layout problem (DFLP). A computational study was performed with the existing heuristic algorithms, including the dynamic programming (DP), genetic algorithm (GA), simulated annealing (SA), hybrid ant system (HAS), hybrid simulated annealing (SA-EG), hybrid genetic algorithms (NLGA and CONGA). The proposed DPSO algorithm, SA, HAS, GA, DP, SA-EG, NLGA, and CONGA obtained the best solutions for 33, 24, 20, 10, 12, 20, 5, and 2 of the 48 problems from (Balakrishnan and Cheng, 2000), respectively. These results show that the DPSO is very effective in dealing with the DFLP. The extended DPSO also has very good computational efficiency when the problem size increases. | Hassan REZAZADEH Mehdi GHAZANFARI Mohammad SAIDI-MEHRABAD Seyed JAFAR SADJADI | 2009 | Journal of Zhejiang University-Science A(Applied Physics & Engineering)2009，10，4： | 3 |
| 3 | Cloud federation in a layered service model显示文摘 | David Villegas Norman Bobroff Ivan Rodero Javier Delgado Yanbin Liu Aditya Devarakonda Liana Fong S. Masoud Sadjadi Manish Parashar | 2012 | Journal of Computer and System Sciences2012，，5： | 2 |
| 4 | Robust Train Formation Planning显示文摘 | SHAFIA M A SADJADI S J JAMILI A | 2010 | Proceedings of the Institution of Mechanical Engineers Part F: Journal of Rail and Rapid Transit2010，224，2： | 1 |
| 5 | Synthesis and Characterization of Ag/PVA Nanorods by Chemi- cal Reduction Method显示文摘 | SADJADI M A S SADEGHI Babak MESKINFAM M | 2008 | Physica E2008，40，： | 1 |
| 6 | Angiotensin converting enzymeindependent angiotensin Ⅱ production by chymase is up-regulated in the ischemic kidney in renovascular hypertension 显示文摘 | Sadjadi J Kramer GL Yu C | 2005 | J Surg Res2005，127，2： | 1 |
| 7 | Removal of heavy metals from aqueous solution using platinum nanopartcles/Zeolite- 4A 显示文摘 | Mehdizadeh S Sadjadi S Ahmadi S J | 2014 | Journal of Environmental Health Science and Engineering2014，12，7： | 1 |
| 8 | Three dimensional moment invariants 显示文摘 | Sadjadi F A Hall E L | 1980 | IEEE Transactions on Pattern Analysis and Machine Intelligence (S0162-8828)1980，2，3： | 1 |
| 9 | Alternative design redundancy allocation using an efficient heuristic and a honey bee mating algorithm 显示文摘 | Seyed Jafar Sadjadi Roya Soltani | 2012 | Expert Systems with Applications2012，39，1： | 1 |
| 10 | 查看详情显示文摘 | Oskooie H. A Heravi M. M Tahershamsi L Sadjadi S Ta- jbakhsh M | | 0，，： | 1 |
| 11 | Radar beam sharpening using an optimum FIR filter显示文摘 | Sadjadi F | 2000 | Circuits Systems and Signal Processing2000，19，2： | 1 |
| 12 | A New methylene blue incorporated in mordenite zeolite as humidity sensor material 显示文摘 | Sohrabnezhad S Pourahmad A Sadjadi M | 2007 | Materials Letters2007，61，11： | 1 |
| 13 | An efficient genetic algorithm for determining the optimal price discrimination显示文摘 | N Safaei S J Sadjadi M Babakhani | 2006 | Applied Mathematics and Computation2006，2006，： | 1 |
| 14 | Seismic performance of reinforced concrete moment resisting frames 显示文摘 | Sadjadi R Kianoush M R Talebi S | 2007 | Engineering Structures2007，29，： | 1 |
| 15 | Fast learning process of muhilayer NN using RI and S method显示文摘 | Sadjadi M R | 1992 | IEEE Trans Sig Proc1992，40，： | 1 |
| 16 | Comparative Image Fusion Analysais显示文摘 | Firooz Sadjadi | 2005 | IEEE2005，，： | 1 |
| 17 | Composing adaptive software显示文摘 | McKinley P K Sadjadi S M Kasten E P | 2004 | IEEE Computer2004，37，7： | 1 |
| 18 | Electrodeposition and mechanical properties of Ni-W-B composites from tartrate bath 显示文摘 | HOSSEINI M G ABDOLMALEKI M SEYED SADJADI S A | 2010 | Protection of Metals and Physical Chemistry of Surfaces2010，46，1： | 1 |
| 19 | Recent developments in use of heteropolyacids, their salts and polyoxometalates in organic synthesis显示文摘 | HERAVI M M SADJADI S | 2009 | Journal of the Iranian Chemical Society2009，6，1： | 1 |
| 20 | A hybrid method for flow shops schedu- ring with condition-based maintenance constraint and machines breakdown显示文摘 | Safari E Sadjadi S J | 2011 | Expert Systems with Applications2011，38，3： | 1 |
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