• Sentiment analysis of turkish twitter data using polarity lexicon and artificial intelligence 

  Shehu, H.A.; Haidar Sharif, M.; Uyaver, S.; Tokat, Sezai; Ramadan, R.A. (Springer Science and Business Media Deutschland GmbH, 2020)

  Sentiment analysis is a process of computationally detecting and classifying opinions written in a piece of writer’s text. It determines the writer’s impression as achromatic or negative or positive. Sentiment analysis ...
• Thermoelectric effects and an application on a case study: Design of thermoelectric refrigerator volume with computational fluid dynamics (CFD) 

  Akdemir, M.; Yilanci, A.; Cetin, E. (Springer, 2020)

  Current energy needs lead the world countries to take some precautions as to save the possessed energy. Some illustrations of these precautions are said that some insulation materials and photovoltaic usages in the buildings ...
• Pipe type and seismic performance in Christchurch, New Zealand 

  Toprak, S.; Nacaroğlu, Engin; Ceylan, M.; Dundar, G.; Cirmiktili, O.Y. (Institute of Physics Publishing, 2020)

  The pipeline damages observed in Christchurch, New Zealand during the 2010-2011 earthquakes provided new insights regarding the seismic performance of pipelines. The water pipeline damages were extensive and water service ...
• 3D Electromagnetic and Structural Analysis of A Doubly Excited Spherical Motor for Robotic Applications 

  Gundogar, U.Y.; Partal, S.Z.; Öner, Yusuf (Institute of Electrical and Electronics Engineers Inc., 2020)

  The need for multi-degree of freedom movements is increasing in robotics, medical, automotive and other industrial applications with the developing technology. In this study, double excited permanent magnet spherical motor ...
• Investigation of the usability of leeb hardness criterion in the determination of physicomechanical properties of travertine 

  Çelik, Sefer Beran; Çobanoğlu, İbrahim; Koralay, Tamer (2019)

  Travertine is a natural building stone widely preferred in our country and in many parts of the world. Travertine has a wide range of physical and mechanical properties depending on the depositional conditions. Practical ...
• Mineralogical and geochemical evidence of late epithermal alteration in the Kisladag porphyry gold deposit, Usak, Western Turkey 

  Bozkaya, Ömer; Bozkaya, Gülcan; Hanilci, N; Lacin, D; Banks, DA; Uysal, IT (SOC GEOLOGY APPLIED MINERAL DEPOSITS-SGA, 2019)

  The Kisladag porphyry gold deposit is related to Miocene intrusive and sub-volcanic rocks that resulted from an extensional tectonic regime in western Anatolia. The main lithologies of the deposit are quartz-trachytes to ...
• The presence of colloidal gold in epithermal mineralizing fluids 

  Bozkaya, Gülcan; Banks, DA; Bozkaya, Ömer (SOC GEOLOGY APPLIED MINERAL DEPOSITS-SGA, 2019)

  Transport of gold and silver as colloidal particles has been observed in c. 300 degrees C low salinity fluids from the Arapucandere intermediate sulphidation epithermal base-metal-Au deposit in NW Turkey. Large euhedral ...
• Sentiment Analysis of Turkish Twitter Data 

  Shehu, Harisu Abdullahi; Tokat, Sezai; Sharif, MH; Uyaver, S (AMER INST PHYSICS, 2019)

  In this paper, we present a mechanism to predict the sentiment on Turkish tweets by adopting two methods based on polarity lexicon (PL) and artificial intelligence (AI). The method of PL introduces a dictionary of words ...
• Comparison of fuzzy multi criteria decision making approaches in an intelligent multi-agent system for refugee siting 

  Drakaki, Maria; Gören, Hacer Güner; Tzionas, Panagiotis (Springer Verlag, 2019)

  Refugee crisis has escalated into a leading crisis in recent years, including Europe since 2015 after the massive refugee and migrant sea arrivals in the Mediterranean. Therefore, its socio-economic and environmental impact ...
• Assessments on minero-petrographics, geochemical and physical-mechanical properties of emirdaǧ (Afyonkarahisar) travertines 

  Koralay, Tamer.; Çelik, Sefer Beran.; Deniz, K. (Baski, 2019)

  In this study, the minero-petrographical, chemical properties as well as basic physical and mechanical properties of the travertine samples, known as Afyon Silver from Emirdaǧ (Afyonkarahisar) region were comprehensively ...
• The friction weldability of AA6063 tube to AA6082 tube plates using an external tool 

  Korkmaz, Emre; Gülsöz, Alper; Meran, Cemal (Springer Verlag, 2019)

  Aluminum and its alloys are frequently used in industry due to their low density as well as their high strength and corrosion resistance. Although the most common welding methods for aluminum are TIG, MIG, and plasma, due ...
• Geochemistry for the pliocene carbonaceous rocks from southeastern denizli: Provenance signature and tectonic setting 

  Koralay, Demet Banu; Koralay, Tamer (International Multidisciplinary Scientific Geoconference, 2019)

  Carbonaceous rocks (bituminous shale, coal, clayey coal, coaly claystone etc.) is an aggregate of heterogeneous materials composed of organic and inorganic substances. The study area is located on the northern boundary of ...
• An application of crushed limestone filling material in clayey soil improvement 

  Çobanoǧlu, İbrahim; Çelik, Sefer Beran (Baski, 2019)

  The limestones produced as crushed stone are widely used in the construction sector. Concrete and concrete products are the main materials that need the construction sector. The fact that the natural materials to be used ...
• An alternative application to tune the center frequency of a microstrip balun bandpass filter 

  Özdemir, Pınar Öztürk; Öztürk, Ali; Görür, Ali Kürşad; Karpuz, Ceyhun; Görür, Adnan (Institute of Electrical and Electronics Engineers Inc., 2019)

  In this paper, a novel microstrip balun bandpass filter with tunable center frequency is presented. The proposed structure is constructed by open loop resonators having varactor diodes. The varactor diodes are used to tune ...
• Design of Wideband Bandpass Filters Using Parallel-Coupled Asymmetric Three Line Structures with Adjustment Elements 

  Sahin, E.G.; Gorur, A.K.; Karpuz, Ceyhun; Gorur, A. (Institute of Electrical and Electronics Engineers Inc., 2019)

  In this paper, three microstrip wideband bandpass filters having three, five and seven poles are designed by using parallel-coupled asymmetric three line structures. The proposed filter structures have parallel-coupled ...
• Stabilization of epileptic seizures over unknown cortex dynamics 

  Çetin, Meriç; Bahtiyar, Bedri; Beyhan, S. (Institute of Electrical and Electronics Engineers Inc., 2019)

  The simulation of cortical electrical activity of the cerebral cortex is very important for the treatment of neurological disorders involving seizures such as epilepsy, parkinson and etc. It is assumed that the mathematical ...
• Simultaneus estimation and control of glucose-insulin dynamics in type-1 diabetes 

  Çetin, Meriç; Beyhan, S. (Institute of Electrical and Electronics Engineers Inc., 2019)

  This paper proposes an observer-controller configuration for the well-known Hovarka Glucose-Insulin dynamics. The aim is to control the blood glucose level without measuring the states in the Hovarka model. In order that ...
• Supplier selection problem in fuzzy environment considering risk factors 

  Drakaki, M.; Güner Gören, Hacer; Tzionas, P. (Institute of Electrical and Electronics Engineers Inc., 2019)

  Supplier selection is one of the most important and challenging issue in supply chain management and is usually tackled with multi-criteria decision making (MCDM) methods. Considering sustainability, the complexity of the ...
• Numerical prediction of leakage flow and windage heating for various labyrinth seal geometries 

  Öztürk, Harun Kemal (BEGELL HOUSE, INC, 1999)

  The labyrinth seals are one of the most important components of a gas turbine engine as a sealing element. In this paper, a computational study has been carried out for the various labyrinth seal geometries. One of the aim ...
• Tribological studies of DLC films contaning different amount of silicon coated by reactive ion plating 

  Özmen, Yılmaz; Tanaka, A; Sumiya, T (SPRINGER, 2001)

  In order to synthesize DLC film on WC-Co alloy, C6H6 and (CH3)(6)Si2O mixture was used by employing ion-plating apparatus. The Si content in DLC film was varied arranging the mixture ratio of both gases. The film thickness ...

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