Aref Yelghı
Mühendislik Fakültesi/Bilgisayar Mühendisliği Bölümü/Bilgisayar Mühendisliği Pr. /

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E-Posta	arefyelghi@ayvansaray.edu.tr
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Ünvan	Doktor Öğretim Üyesi
YÖK Araştırmacı Numarası

Axsis Yayın Dağılımı 7

A Meta-Heuristic Algorithm Based on the Happiness Model

Aref YelghıRecent work has attempted to determine the appropriate global minimum for complex problems. The paper presents a population and direct-based swarm optimization algorithm called the happiness optimizer (HPO) algorithm. An HPO algorithm is designed based on personal behavior and demonstrated in 30 and 100 dimensions on benchmark functions. The model includes four questions: “what do you want?”, “what do you have?”, “what do others have?”, and “what happened?”, which guide the development of a happiness behavior model. By considering the balancing ...Daha fazlası Makale2023Studies in Computational IntelligenceBook Series84 Görüntülenme

Estimation single output with a hybrid of ANFIS and MOPSO_HS

Aref YelghıAdaptive Neuro-Fuzzy Inference System (ANFIS) has gained popularity in recent years due to its predictive capabilities. Proper adjustment of ANFIS parameters is an optimization problem but integrating it with traditional optimization techniques has led to challenges such as local minima and slow convergence, resulting in obstacles to its prediction. Additionally, some researchers focusing on incorporating single-objective optimization often face issues with reliability and stability in parameter adjustment. This study, focused on multi-objectiv ...Daha fazlası Makale2024Sakarya UniversitSakarya University Journal of Computer and Information Sciences13 Görüntülenme

TÜRKİYE DEVLET TAHVİL PİYASASININ EKONOMİK BÜYÜME ÜZERİNDEKİ ETKİSİ

Aref YelghıGünümüze gelindiğinde devletlerin finansal gereksinimlerinin giderilmesi içinbaşvurdukları önemli yollardan biri tahvil ihracıdır. Türkiye’de tahvil piyasasındanen çok devletin yararlandığı görülmektedir. Literatürde ekonomik büyüme ile hissesenedi piyasası ve kredi arasında birçok çalışma bulunurken tahvil piyasası ile ilgilioldukça az çalışma yapılmıştır. Finansal piyasalarında tahvil piyasası önemli payalması ve ekonomik büyümesinde etkisi ne ölçüde oluğu merak edilmektedir. Sondönemlerde tahvil piyasasının gelişimi hem ulusal hem uluslarara ...Daha fazlası Makale2021Doğuş Üniversitesi Dergisi83 Görüntülenme

An Approach for Backtesting and Algorithmic Trading with Liquidity and Hill Climbing Algorithm

Yelghi, ArefThis strategy focuses on backtesting and algorithmic trading by applying the hill climbing method to find liquid levels at support and resistance levels. The strategy entails evaluating price movements and setting the threshold value for trading at these key levels. By closely studying the market, the technique seeks to find optimal entry and exit points based on recognized support and resistance levels. This method allows for a systematic approach to trading decisions using the concepts of liquidity and market dynamics. Implementing this techn ...Daha fazlası Kitap Bölümü2024Springer Science and Business Media Deutschland GmbH2 Görüntülenme

Wave Net-TSRS Model for Time Series Prediction in Finance

Aref YelghıIn economies, it can be used as a very important money market instrument in terms of ensuring economic stability with central bank reserves and maintaining adequate liquidity. In recent years, researchers have focused on forecasting reverse fluctuation without influencing reserve factors. Interest, inflation, and exchange rate are used as finance economic variables in the estimation of economy reserves because those are influencing factors of reserves held in central banks that can cause their reserves to rise and fall. In the research, the mon ...Daha fazlası Kitap Bölümü2024Springer Science and Business Media Deutschland GmbH4 Görüntülenme

Offering New Routing Method in Ad hoc Networks using Ant Colony Algorithm

Aref YelghıThe aim of this study is to provide a novel method routing in ad hoc networks using ant colony algorithm. Hence for this study the researcher attempts to discover and create routes with less number of crossings, nodes sustainable and less energy transfer, to reduce latency end-to-end, save bandwidth and to extend the life and increase the lifetime of the network nodes. Research methodology for simulation algorithm has been OPNET software. Therefore, the proposed algorithm's performance was compared with one of the most routing algorithms in mob ...Daha fazlası Makale2022Conference Proceedings152 Görüntülenme

Features of Metaheuristic Algorithm for Integration with ANFIS Model

Aref YelghıIn recent years, many applications based on the Neural Network, Neuro-Fuzzy, and optimization algorithms have been more common for solving regression and classification problems. In the Adaptive Neuro-fuzzy inference system(ANFIS), many researchers used the adaption of metaheuristic algorithms with ANFIS to propose the best estimation model. However, many researchers only focused on the experiment without the demonstration mathematical or indicating which characteristic of optimization algorithm, during the run, affect and settable in coordinat ...Daha fazlası Makale20222022 Internaiıonal Conference On Theoreiıcal And Applıed Computer Science And Engineering (Ictasce)Conference Proceedings95 Görüntülenme

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