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Improving the scalability of ILP-based multi-relational concept discovery system through parallelization
Mutlu, Ayşe Ceyda; Karagöz, Pınar; Kavurucu, Yusuf (2012-03-01)
Due to the increase in the amount of relational data that is being collected and the limitations of propositional problem definition in relational domains, multi-relational data mining has arisen to be able to extract patt...
A multitone model of complex enveloped signals and its application in feedforward circuit analysis
Coskun, AH; Mutlu, Ayşe Ceyda; Demir, S (Institute of Electrical and Electronics Engineers (IEEE), 2005-06-01)
Analytical tools that characterize nonlinear systems are essential and need to be developed for initial rapid optimizations and understanding of the system performance. Modeling of the input signal is a crucial part of thi...
ML vs. MAP PARAMETER ESTIMATION OF LINEAR DYNAMIC SYSTEMS FOR ACOUSTIC-TO-ARTICULATORY INVERSION: A COMPARATIVE STUDY
Özbek Arslan, Işıl; Demirekler, Mübeccel (2010-08-27)
This work proposes a maximum a posteriori (MAP) based parameter learning algorithm for acoustic-to-articulatory inversion. Inversion method is based on single global linear dynamic system (GLDS) representation of acoustic ...
Energy preserving methods for lattice equations
Erdem, Özge; Karasözen, Bülent (2010-11-27)
Integral preserving methods, like the averaged vector field, discrete gradient and trapezoidal methods are to Poisson systems. Numerical experiments on the Volterra equations and integrable discretization of the nonlinear ...
External Search Coil as a Means of Measuring Rotor Speed of an Induction Motor
Özlü Ertan, Hatice Gülçin; Keysan, Ozan (2009-07-03)
The study in this paper investigates whether the air gap harmonics can be identified by using an external search coil placed on the frame of an induction motor. For this purpose the study focuses on the prediction of rotor...
Formant Trajectories for Acoustic-to-Articulatory Inversion
Özbek Arslan, Işıl; Hasegawa-Johnson, Mark; Demirekler, Mübeccel (2009-09-10)
This work examines the utility of formant frequencies and their energies in acoustic-to-articulatory inversion. For this purpose, formant frequencies and formant spectral amplitudes are automatically estimated from audio, ...
Choice of Pole Number of Two-Rotor Axial-Flux PM Motor for Control Moment Gyroscope
Özlü Ertan, Hatice Gülçin; Yilmaz, K. (2011-09-10)
Modern low earth orbit satellites use control moment gyroscopes (CMG) for maneuvering. GMC's generally use a brushless DC motor to run an inertial wheel at about 10000 rpm. In this paper axial-flux BLDC motor is considered...
Computation of Spectra of Large Networks
Erdem, Özge; Karasözen, Bülent; Sariaydin, A. (2010-11-27)
Many interacting complex systems in biology, physics, technology and social systems can be represented in a form of large networks. The networks are mathematically represented by graphs. A graph is usually represented by a...
Uncertainty assessment for the evaluation of net present value: a mining industry perspective
Erdem, Özge; GÜYAGÜLER, TEVFİK; Demirel, Nuray (2012-05-01)
The investment decisionmaking process in the insurance and finance industries is affected by new advances such as simulation techniques. These advances have improved the discounted cash flow method (DCF). In DCF, a dynamic...
Intelligence Cooperation in the European Union: An Impossible Dream?
Bilgi, Şeniz (2016-01-01)
There has been a shift in the intelligence and security strategies of the states since 9/11. The attacks created a new security environment in which intelligence has become increasingly significant. Not only have the respo...