[J1] A. Ahmetoglu, M. Y. Seker, J. Piater, E. Oztop, and E. Ugur. “DeepSym: Deep Symbol Generation and Rule Learning for Planning from Unsupervised Robot Interaction”. In: Journal of Artificial Intelligence Research 75 (Nov. 2022), pp. 709–745. doi: 10.1613/jair.1.13754.

[J2] A. Ahmetoglu, E. Ugur, M. Asada, and E. Oztop. “High-level features for resource economy and fast learning in skill transfer”. In:Advanced Robotics 36.5-6 (2022), pp. 291–303. doi: 10.1080/01691864.2021.2019613.

[J3] E. M. Aydin, B. Kara, Z. B. Bundur, N. Ozyurt, O. Bebek, and M. Ali Gulgun. “A comparative evaluation of sepiolite and nano-montmorillonite on the rheology of cementitious materials for 3D printing”. In: Construction and Building Materials 350 (2022),p.128935. ISSN: 0950-0618. doi: 10.1016/j.conbuildmat.2022.128935.

[J4] E. Oztop and M. Asada. “Combined weight and density bounds on the polynomial threshold function representation of Boolean functions”. In: Discrete Mathematics 345.8 (2022), p. 112912. issn: 0012-365X. doi: https://doi.org/10.1016/j.disc.2022.112912.

[J5] M. S. Qureshi and O. Bebek. “Sensorless position control of solenoid actuators for soft landing using super-twisting sliding mode control”. In: Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering (2022), p. 09544070221111617. doi: 10.1177/09544070221111617.

[J6] M. Y. Seker, A. Ahmetoglu, Y. Nagai, M. Asada, E. Oztop, and E. Ugur. “Imitation and mirror systems in robots through Deep Modality Blending Networks”. In: Neural Networks 146 (2022), pp. 22–35. ISSN: 0893-6080. doi: 10.1007/978-3-642-41610-1_203-1.

[C1] N. Amirshirzad, E. Ugur, O. Bebek, and E. Oztop. “Adaptive Shared Control with Human Intention Estimation for Human Agent Collaboration*”. In: 2022 IEEE 18th International Conference on Automation Science and Engineering (CASE). 2022, pp. 653–658. doi: 10.1109/CASE49997.2022.9926657.

[C2] M. Derman, A. F. Soliman, A. Kuru, S. C. Cevik, R. Unal, O. Bebek, and B. Ugurlu. “Simulation-based Design and Locomotion Control Implementation for a Lower Body Exoskeleton”. In: 2022 IEEE 5th International Conference on Industrial Cyber-Physical Systems (ICPS). 2022, pp.1–6. doi: 10.1109/ICPS51978.2022.9816855.

[C3] S. Emre, B. Akin, E. C. Ozcinar, B. Balci, P. Sendur, O. Bebek, R. Unal, and B. Ugurlu. “Topology Optimization-based Design and Development of a Compact Actuator with a High Torque-to-Weight Ratio for Quadrupeds”. In: ACTUATOR 2022; International Conference and Exhibition on New Actuator Systems and Applications. 2022, pp. 306–309. ISBN: 978-3-8007-5894-4.

[C4] M. Kirtay, V. Hafner, A. Asada, A. Kuhlen, and E. Oztop. “Multimodal reinforcement learning for partner specific adaptation in robot-multi-robot interaction.” In: IEEE-RAS International Conference on Humanoid Robots (Humanoids). 2022.

[C5] M. Kirtay, E. Oztop, A. K. Kuhlen, M. Asada, and V. V. Hafner. “Trustworthiness assessment in multimodal human-robot interaction based on cognitive load”. In: 2022 31st IEEE International Conference on Robot and Human Interactive Communication (RO-MAN).2022, pp. 469–476. doi: 10.1109/RO-MAN53752.2022.9900730.

[C6] A. Kuru, B. Ugurlu, and O. Bebek. “Design and Development of a Torsion-based Series Elastic Actuator with Nested Encoders for a Wearable Exoskeleton Robot”. In: ACTUATOR 2022; International Conference and Exhibition on New Actuator Systems and Applications. 2022, pp. 302–305. ISBN: 978-3-8007-5894-4.

[C7] O. Yapar and E. Oztop. “Reinforcement learning for constructing low density sign representations of Boolean functions”. In: ESANN 2022 proceedings, European Symposium on Artificial Neural Networks, Computational Intelligence and Machine Learning. Oct. 2022, pp.533–538. ISBN 978287587084-1.

[J1] M. Kirtay, L. Vannucci, U. Albanese, C. Laschi, E. Oztop, and E. Falotico. “Emotion as an emergent phenomenon of the neurocomputational energy regulation mechanism of a cognitive agent in a decision-making task”. In: Adaptive Behavior 29.1 (2021), pp. 55–71. doi: 10.1177/1059712319880649.

[J2] M. I. Sener, Y. Nagai, E. Oztop, and E. Ugur. “Exploration with Intrinsic Motivation using Object-Action-Outcome Latent Space”. In:IEEE Transactions on Cognitive and Developmental Systems (2021), pp. 1–1. doi: 10.1109/TCDS.2021.3062728.

[J3] B. Kirisken, D. Mansouri, P. Sendur, and O. Bebek. “A Novel Driving Pattern to Actualize Haptic Effects in Mobile Devices”. In: IEEE Transactions on Consumer Electronics 67.2 (2021), pp. 176–185. doi: 10.1109/TCE.2021.3079855.

[B1] E. Oztop and E. Ugur. “Lifelong Robot Learning”. In: Encyclopedia of Robotics. Ed. by M. H. Ang, O. Khatib, and B. Siciliano. Berlin, Heidelberg: Springer Berlin Heidelberg, 2020, pp. 1–12. ISBN: 978-3-642-41610-1. doi: 10.1007/978-3-642-41610-1_203-1.

[C1] N. Amirshirzad, B. Sunal, O. Bebek, and E. Oztop. “Learning Medical Suturing Primitives for Autonomous Suturing”. In: 2021 IEEE 17th International Conference on Automation Science and Engineering (CASE). 2021, pp. 256–261. doi:10.1109/CASE49439.2021.9551415.

[C2] E. Arditi, T. Kunavar, E. Ugur, J. Babic, and E. Oztop. “Inferring Cost Functions Using Reward Parameter Search and Policy Gradient Reinforcement Learning”. In: IECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society. 2021, pp. 1–6. doi: 10.1109/IECON48115.2021.9589967.

[C3] B. Bayram, E. Ugur, M. Asada, and E. Oztop. “An Ecologically Valid Reference Frame for Perspective Invariant Action Recognition”. In: 2021 IEEE International Conference on Development and Learning (ICDL). 2021, pp. 1–7. doi: 10.1109/ICDL49984.2021.9515616.

[C4] S. C. Cevik, M. Derman, R. Unal, B. Ugurlu, and O. Bebek. “A Custom Brace Design to Connect a User Limb to an Exoskeleton Link with Minimal Discomfort”. In: 2021 IEEE 19th International Conference on Industrial Informatics (INDIN). 2021, pp. 1–6. doi: 10.1109/INDIN45523.2021.9557500.

[C5] M. Kirtay, E. Oztop, M. Asada, and V. V. Hafner. “Modeling robot trust based on emergent emotion in an interactive task”. In: 2021 IEEE International Conference on Development and Learning (ICDL). 2021, pp. 1–8. doi: 10.1109/ICDL49984.2021.9515645.

[C6] M. Kirtay, E. Oztop, M. Asada, and V. V. Hafner. “Trust me! I am a robot: an affective computational account of scaffolding in robot-robot interaction”. In: 2021 30th IEEE International Conference on Robot & Human Interactive Communication (RO-MAN). 2021, pp. 189–196. doi: 10.1109/RO-MAN50785.2021.9515494.

[C7] M. Pekmezci, E. Ugur, and E. Oztop. “Learning System Dynamics via Deep Recurrent and Conditional Neural Systems”. In: 29th Signal Processing and Communications Applications Conference (SIU), Istanbul. 2021.

[C8] D. Ugur and O. Bebek. “Fast and Efficient Terrain-Aware Motion Planning for Exploration Rovers”. In: 2021 IEEE 17th International Conference on Automation Science and Engineering (CASE). 2021, pp. 1561–1567. doi:10.1109/CASE49439.2021.9551617.

[J1] M. Kaya, E. Senel, and O. Bebek. “Gabor filter based localization of straight and curved needles in 2D ultrasound images”. In: Turkish Journal of Electrical Engineering & Computer Sciences 28.5 (Sept. 2020), pp. 2940–2955. doi: 10.3906/elk-1912-181. [Open Access]

[C1] T. Akbulut, E. Oztop, Y. Seker, H. Xue, A. Tekden, and E. Ugur. “ACNMP: Skill Transfer and TaskExtrapolation through Learning from Demonstration and Reinforcement Learning via RepresentationSharing”. In: Conference on Robot Learning (CoRL). Oct. 2020.

[C2] O. B. Ozturkcu, E. Ugur, and E. Oztop. “High-level representations through unconstrained sensorimotor learning”. In: 2020 Joint IEEE 10th International Conference on Development and Learning And Epigenetic Robotics (ICDL-EpiRob). 2020, pp. 1–6. doi: 10.1109/ICDL-EpiRob48136.2020. 9278100.

[J1] N. Amirshirzad, A. Kumru, and E. Oztop. “Human Adaptation to Human–Robot Shared Control”. In: IEEE Transactions on Human-Machine Systems 49.2 (2019), pp. 126–136. doi: 10.1109/THMS.2018.2884719.

[J2] M. Kaya, E. Senel, A. Ahmad, and O. Bebek. “Visual needle tip tracking in 2D US guided robotic interventions”. In: Mechatronics 57 (Feb. 2019), pp. 129–139. doi: 10.1016/j.mechatronics.2018.12.002.

[J3] T. Taniguchi, E. Ugur, M. Hoffmann, L. Jamone, T. Nagai, B. Rosman, T. Matsuka, N. Iwahashi, E. Oztop, J. Piater, and F. Worgotter. “Symbol Emergence in Cognitive Developmental Systems: A Survey”. In: IEEE Transactions on Cognitive and Developmental Systems 11.4 (2019), pp. 494–516. doi:10.1109/TCDS.2018.2867772.

[C1] O. Ersoy, M. C. Yildirim, A. Ahmad, O. D. Yirmibesoglu, N. Koroglu, and O. Bebek. “Design and Kinematics of a 5-DOF Parallel Robot for Beating Heart Surgery”. In: 2019 IEEE 4th International Conference on Advanced Robotics and Mechatronics (ICARM). 2019, pp. 274–279. doi:10.1109/ICARM.2019.8833632.

[C2] S. Hamdan, E. Oztop, and B. Ugurlu. “Force Reference Extraction via Human Interaction for a Robotic Polishing Task: Force-Induced Motion”. In: 2019 IEEE International Conference on Systems, Man and Cybernetics (SMC). 2019, pp. 4019–4024. doi: 10.1109/SMC.2019.8914009.

[C3] B. Sunal, E. Oztop, and O. Bebek. “Adaptive Inverse Kinematics of a 9-DOF Surgical Robot for Effective Manipulation”. In: 2019 IEEE 4th International Conference on Advanced Robotics and Mechatronics (ICARM). 2019, pp. 678–683. doi: 10.1109/ICARM.2019.8834157.

[C4] B. Ugurlu, M. Acer, D. E. Barkana, I. Gocek, A. Kucukyilmaz, Y. Z. Arslan, H. Basturk, E. Samur, E.Ugur, R. Unal, and O. Bebek. “A Soft+Rigid Hybrid Exoskeleton Concept in Scissors-Pendulum Mode: ASuit for Human State Sensing and an Exoskeleton for Assistance”. In: 2019 IEEE 16th International Conference on Rehabilitation Robotics (ICORR). 2019, pp. 518–523. doi:10.1109/ICORR.2019.8779394.

[C5] A. Yagcı, M. S. Quresh, M. P. Kuntuz, and O. Bebek. “Design of a Solenoid Based PrototypeInjector for Evaluation of Electromagnetic Parameters”. In: 2019 19th International Symposium onElectromagnetic Fields in Mechatronics, Electrical and Electronic Engineering (ISEF). 2019, pp. 1–2. doi:10.1109/ISEF45929.2019.9096906.

[J1] A. Ahmad and O . Bebek. “Özyeğin Biopsy Robot: System integration architecture and motion compensation of moving target”. In: Turkish Journal of Electrical Engineering & Computer Sciences 26.3 (June 2018), pp. 1651–1661. doi: 10.3906/elk-1701-193. [Open Access]

[J2] Q. Guo, W. H. Deng, O. Bebek, M. C. Cavusoglu, C. H. Mastrangelo, and D. J. Young. “Personal Inertial Navigation System Assisted by MEMS Ground Reaction Sensor Array and Interface ASIC for GPS-Denied Environment”. In: IEEE Journal of Solid-State Circuits 53.11 (2018), pp. 3039– 3049. doi:10.1109/JSSC.2018.2868263.

[J3] T. Teramae, K. Ishihara, J. Babic, J. Morimoto, and E. Oztop. “Human-In-The-Loop Control and Task Learning for Pneumatically Actuated Muscle Based Robots”. In: Frontiers in Neurorobotics 12 (2018), p. 71. issn: 1662-5218. doi: 10.3389/fnbot.2018.00071.

[J4] B. Balcı, M. C. Yıldırım, and O . Bebek. “Mars Gezgini Prototipi Merih-2”. In: Journal of Polytechnic (Jan. 2018). doi: 10.2339/politeknik.385545. [Open Access]

[C1] A. Dibekci and O. Bebek. “Improving the Safety of Medical Robotic Systems”. In: 2018 7th IEEEInternational Conference on Biomedical Robotics and Biomechatronics (Biorob). 2018, pp. 73–78. doi: 10.1109/ BIOROB.2018.8487914.

[C2] Q. Guo, W. Deng, O. Bebek, C. Cavusoglu, C. Mastrangelo, and D. Young. “Personal inertial navigation system employing MEMS wearable ground reaction sensor array and interface ASICachieving a position accuracy of 5.5m over 3km walking distance without GPS”. In: 2018 IEEE International Solid - State Circuits Conference - (ISSCC). 2018, pp. 180–182. doi:10.1109/ISSCC.2018.8310243.

[C3] S. Hamdan, E. Oztop, J. .-i. Furukawa, J. Morimoto, and B. Ugurlu. “Shoulder Glenohumeral Elevation Estimation based on Upper Arm Orientation”. In: 2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). 2018, pp. 1481– 1484. doi:10.1109/EMBC.2018.8512564.

[C4] O. Kaya and E. Oztop. “Effective Robot Skill Synthesis via Divided Control”. In: 2018 IEEE International Conference on Robotics and Biomimetics (ROBIO). 2018, pp. 766–771. doi:10.1109/ROBIO.2018.8664825.

[C5] M. P. Kuntuz, M. S. Qureshi, and O. Bebek. “Sliding Mode Control of an Electromechanical Solenoid Actuator for Soft Landing”. In: 2018 23rd International Conference on Methods Models in Automation Robotics (MMAR). 2018, pp. 369–374. doi: 10.1109/MMAR.2018.8486059.

[C6] M. S. Qureshi, M. P. Kuntuz, and O. Bebek. “Performance Evaluation of Sliding-Mode Approaches for Tracking The Motion Of The Solenoid Actuators”. In: In proceedings of International Conference on Progresses In Automotive Technologies (ICPAT). May 2018, pp. 4–14. ISBN: 978-605-9546-11-9.

[C7] A. E. Tekden, E. Ugur, Y. Nagai, and E. Oztop. “Modeling the Development of Infant Imitation using Inverse Reinforcement Learning”. In: 2018 Joint IEEE 8th International Conference on Development andLearning and Epigenetic Robotics (ICDL-EpiRob). 2018, pp. 155–160. doi:10.1109/DEVLRN.2018.8761045.

[C8] A. Yagci, M. P. Kuntuz, and O. Bebek. “Electromagnetic and Dynamic Analysis of Solenoid Actuator to Reduce the Closing Time''. In: 9th Ankara International Aerospace Conference (AIAC). AIAC-2017-187. Sept. 2017. doi: 10.1109/ISSCC.2018.8310243.

[C9] Korkmaz S, Oztop E (2018.9) Effect of resource limitation on robotic imitation: predictions for infant imitation learning. 8th Joint IEEE International Conference on Development and Learning and on Epigenetic Robotics, Tokyo, Japan

[J1] A. Ahmad, S. O. Orhan, M. C. Yildirim, and O. Bebek. “Development and 3D Spatial Calibration of a Parallel Robot for Percutaneous Needle Procedures with 2D Ultrasound Guidance”. In: Journal of Medical Robotics Research 02.04 (Nov. 2017), p. 1750007. doi: 10.1142/s2424905x17500076.

[C1] A. Vahidyeganeh, G. Simsek, S. Jabeen, O. Bebek, and G. G. Yapici. “Development of an Antagonistically Actuated Smart Joint”. In: Materials Science Forum 887 (Mar. 2017), pp. 104–107. doi: 10.4028/www. scientific.net/msf.887.104.

[C2] N. Ashena, V. Papadourakis, V. Raos, and E. Oztop. “Real-Time Decoding of Arm Kinematics During Grasping Based on F5 Neural Spike Data”. In: Advances in Neural Networks - ISNN 2017. Ed. by F. Cong, A. Leung, and Q. Wei. Cham: Springer International Publishing, 2017, pp. 261–268. isbn: 978-3-319-59072-1.

[C3] M. Kaya, E. Senel, A. Ahmad, and O. Bebek. “Visual tracking of multiple moving targets in 2D ultrasound guided robotic percutaneous interventions”. In: 2017 IEEE International Conference on Robotics and Automation (ICRA). 2017, pp. 1996 – 2002. doi: 10.1109/ICRA.2017.7989231.

[C4] C. E. Sezener and E. Oztop. “Algorithms for Obtaining Parsimonious Higher Order Neurons”. In: Artificial Neural Networks and Machine Learning – ICANN 2017. Ed. by A. Lintas, S. Rovetta, P. F.Verschure, and A. E. Villa. Cham: Springer International Publishing, 2017, pp. 146–154. ISBN: 978-3-319-68600-4.

[C5] O. Yapar and E. Oztop. “On the Co-absence of Input Terms in Higher Order Neuron Representation of Boolean Functions”. In: Advances in Neural Networks - ISNN 2017. Ed. by F. Cong, A. Leung, and Q. Wei. Cham: Springer International Publishing, 2017, pp. 362–370. isbn: 978-3-319- 59081-3.

[J1] J. Babic, E. Oztop, and M. Kawato. “Human motor adaptation in whole body motion”. In: ScientificReports 6.1 (Sept. 2016). doi: 10 . 1038 / srep32868.

[C1] N. Amirshirzad, O. Kaya, and E. Oztop. “Synergistic human-robot shared control via human goal estimation”. In: 2016 55th Annual Conference of the Society of Instrument and Control Engineers ofJapan (SICE). 2016, pp. 691–695. doi: 10.1109/SICE.2016.7749275.

[C2] S. Jabeen, A. V. Yeganeh, G. M. Simsek, G. G. Yapici, K. Abidi, and O. Bebek. “Discrete-time Integral Sliding Mode Control of a smart joint for minimally invasive surgeries”. In: 2016 6th IEEE International Conference on Biomedical Robotics and Biomechatronics (BioRob). 2016, pp. 389–394. doi:10.1109/BIOROB.2016.7523657.

[C3] M. Kaya, E. Senel, A. Ahmad, and O. Bebek. “Visual tracking of biopsy needles in 2D ultrasound images”. In: 2016 IEEE International Conference on Robotics and Automation (ICRA). 2016, pp. 4386–4391. doi: 10.1109/ ICRA.2016.7487637.

[C4] M. Kirtay, L. Vannucci, E. Falotico, E. Oztop, and C. Laschi. “Sequential decision making based on emergent emotion for a humanoid robot”. In: 2016 IEEE-RAS 16th International Conference on Humanoid Robots (Humanoids). 2016, pp. 1101–1106. doi: 10.1109/HUMANOIDS.2016.7803408.

[C?] Q. Guo, O. Bebek, M. C. Cavusoglu, C. H. Mastrangelo, and D. J. Young. “A personal navigation system using MEMS-based high-density ground reaction sensor array and inertial measurement unit”. In: 2015 Transducers - 2015 18th International Conference on Solid-State Sensors, Actuators andMicrosystems (TRANSDUCERS). 2015, pp. 1077–1080. doi: 10.1109/TRANSDUCERS.2015.7181113.