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8 results on '"Yilmaz, Hakan"'

1. Seeing in the dark: Testing deep neural network and analysis-by-synthesis accounts of 3D shape perception with highly degraded images

Author

Yilmaz, Hakan, Yilmaz, Hakan, Singh, Gargi, Egger, Bernhard, Tenenbaum, Josh, Yildirim, Ilker, Yilmaz, Hakan, Yilmaz, Hakan, Singh, Gargi, Egger, Bernhard, Tenenbaum, Josh, and Yildirim, Ilker

Abstract

The visual system does not require extensive signal in its inputs to compute rich, three-dimensional (3D) shape percepts. Even under highly degraded stimuli conditions, we can accurately interpret images in terms of volumetric objects. What computations support such broad generalization in the visual system? To answer, we exploit two degraded image modalities – silhouettes and two-tone “Mooney” images – alongside regular shaded images. We test two distinct approaches to vision: deep networks for classification and analysis-by-synthesis for scene inference. Deep networks perform substantially sub-human even after training on 18 times more images per category compared to the existing large-scale image sets for object classification. We also present a novel analysis-by-synthesis architecture that infers 3D scenes from images via optimization in a differentiable, physically-based renderer. This model also performs substantially sub-human. Nevertheless, both approaches can explain some of the key behavioral patterns. We discuss the insights these results provide for reverse-engineering visual cognition.

Published
2021

2. Seeing in the dark: Testing deep neural network and analysis-by-synthesis accounts of 3D shape perception with highly degraded images

Author

Yilmaz, Hakan, Yilmaz, Hakan, Singh, Gargi, Egger, Bernhard, Tenenbaum, Josh, Yildirim, Ilker, Yilmaz, Hakan, Yilmaz, Hakan, Singh, Gargi, Egger, Bernhard, Tenenbaum, Josh, and Yildirim, Ilker

Abstract

The visual system does not require extensive signal in its inputs to compute rich, three-dimensional (3D) shape percepts. Even under highly degraded stimuli conditions, we can accurately interpret images in terms of volumetric objects. What computations support such broad generalization in the visual system? To answer, we exploit two degraded image modalities – silhouettes and two-tone “Mooney” images – alongside regular shaded images. We test two distinct approaches to vision: deep networks for classification and analysis-by-synthesis for scene inference. Deep networks perform substantially sub-human even after training on 18 times more images per category compared to the existing large-scale image sets for object classification. We also present a novel analysis-by-synthesis architecture that infers 3D scenes from images via optimization in a differentiable, physically-based renderer. This model also performs substantially sub-human. Nevertheless, both approaches can explain some of the key behavioral patterns. We discuss the insights these results provide for reverse-engineering visual cognition.

Published
2021

3. A genetic probe into the ancient and medieval history of Southern Europe and West Asia

Author

Lazaridis, Iosif, Alpaslan-Roodenberg, Songul, Acar, Ayse, Acikkol, Aysen, Agelarakis, Anagnostis, Aghikyan, Levon, Akyuz, Ugur, Andreeva, Desislava, Andrijasevic, Gojko, Anatonovic, Dragana, Armit, Ian, Atmaca, Alper, Avetisyan, Alper, Avetisyan, Pavel, Aytek, Ahmet Ihsan, Bacvarov, Krum, Badalyan, Ruben, Bakardzhiev, Stefan, Balen, Jacqueline, Bejko, Lorenc, Bernardos, Rebecca, Bertsatos, Andreas, Biber, Hanifi, Bilir, Ahmet, Brodruzic, Mario, Bonogofsky, Michelle, Bonsall, Clive, Boric, Dusan, Borovinic, Nikola, Morante, Guillermo Bravo, Buttinger, Katharina, Callan, Kim, Candilio, Francesca, Caric, Mario, Cheronet, Olivia, Chohadzhiev, Stefan, Chovalopoulou, Maria-Eleni, Chryssoulaki, Stella, Ciobanu, Ion, Condic, Natalija, Constantienescu, Mihai, Cristiani, Emanuela, Culleton, Brendan J, Curtis, Elizabeth, Davis, Jack, Davtyan, Ruben, Demcenco, Tatiana I, Dergachev, Valentin, Derin, Zafer, Deskaj, Sylvia, Devejyan, Seda, Djordjevic, Vojislav, Duffett Carlson, Kellie Sara, Eccles, Laurie R, Elenski, Nedko, Engin, Atilla, Erdogan, Nihat, Erir-Pazarci, Sabiha, Fernandes, Daniel M, Ferry, Matthew, Freilich, Suzanne, Frinculeasa, Alin, Galaty, Michael L, Gamarra, Beatriz, Gasparyan, Boris, Gaydarska, Bisserka, Genc, Elif, Gultekin, Timur, Gunduz, Serkan, Hajdu, Tamas, Heyd, Volker, Hobosyan, Suren, Hovhannisyan, Nelli, Iliev, Ilya, Iliev, Stanislav, Ivgin, Ilkay, Jankovic, Ivor, Jovanova, Lence, Karkanas, Panagiotis, Kavaz-Kindigili, Berna, Kaya, Esra Hilal, Keating, Denise, Kennett, Douglas J, Kesici, Seda Deniz, Khudaverdyan, Anahit, Kiss, Krisztian, Kilic, Sinan, Klostermann, Paul, Negra Valdes, Sniem Kostak Boca, Kovacevic, Sasa, Krenz-Niedbala, Marta, Skrivanko, Maja Krznaric, Kurti, Rovena, Kuzman, Pasko, Lawson, Ann Marie, Lazar, Catalin, Leshtakov, Krassimir, Levy, Thomas E, Liritzis, Ioannis, Lorentz, Kirsi O, Lukasik, Sylwia, Mah, Matthew, Mallick, Swapan, Mandl, Kirsten, Martirosyan-Olshansky, Kristine, Matthews, Roger, Matthews, Wendy, McSweeney, Kathleen, Melikyan, Varduhi, Micco, Adam, Michel, Megan, Milasinovic, Lidija, Mittnik, Alissa, Monge, Janet M, Nekhrizov, Georgi, Nicholls, Rebecca, Nikitin, Alexey G, Nikolov, Vassil, Novak, Mario, Olalde, Inigo, Oppenheimer, Jonas, Osterholtz, Anna, Ozdemir, Celal, Ozdogan, Kadir Toykan, Ozturk, Nurettin, Papadimitriou, Nikos, Papakonstantinou, Niki, Papathanasiou, Anastasia, Paraman, Lujana, Paskary, Evgeny G, Patterson, Nick, Petrakiev, Ilian, Petrosyan, Levon, Petrova, Vanya, Phillippa-Touchais, Anna, Piliposyan, Ashot, Pocuca Kuzman, Nada, Potrebica, Hrvoje, Preda-Balancia, Bianca, Premuzic, Zrinka, Price, T Douglas, Qiu, Lijun, Radovic, Sinisa, Raeuf Aziz, Kamal, Rajic Sikanjic, Petra, Rasheed Raheem, Kamal, Razumov, Sergei, Richardson, Amy, Roodenberg, Jacob, Ruka, Rudenc, Rasseva, Victoria, Sahin, Mustafa, Sarbak, Aysegul, Savas, Emre, Schattke, Constanze, Schepartz, Lynne, Selcuk, Tayfun, Sevim-Erol, Ayla, Shamoon-Pour, Michel, Shephard, Henry M, Sideris, Athanasios, Simalcsik, Angela, Simonyan, Hakob, Sinika, Vitalij, Sirak, Kendra, Sirbu, Ghenadie, Slaus, Mario, Soficaru, Andrei, Sogut, Bilal, Soltysiak, Arkadiusz, Sonmez-Sozer, Cilem, Stathi, Maria, Steskal, Martin, Stewardson, Kristin, Stocker, Sharon, Suata-Alpaslan, Fadime, Suvorov, Alexander, Szecsenyi-Nagy, Anna, Szeniczey, Tamas, Telnov, Nikolai, Temov, Strahil, Todorova, Nadezhda, Tota, Ulsi, Touchais, Gilles, Triantaphyllou, Sevi, Turker, Atila, Ugarkovic, Marina, Valchev, Todor, Veljanovska, Fancia, Videvski, Zlatko, Virag, Christian, Wagner, Anna, Walsh, Samantha, Wlodarczak, Piotr, Workman, J Noah, Yardumian, Aram, Yarovoy, Evgenii, Yavuz, Alper Yener, Yilmaz, Hakan, Zalzala, Fatma, Zettl, Anna, Zhang, Zhao, Cavusoglu, Rafet, Rohland, Nadin, Pinhasi, Ron, Reich, David, Lazaridis, Iosif, Alpaslan-Roodenberg, Songul, Acar, Ayse, Acikkol, Aysen, Agelarakis, Anagnostis, Aghikyan, Levon, Akyuz, Ugur, Andreeva, Desislava, Andrijasevic, Gojko, Anatonovic, Dragana, Armit, Ian, Atmaca, Alper, Avetisyan, Alper, Avetisyan, Pavel, Aytek, Ahmet Ihsan, Bacvarov, Krum, Badalyan, Ruben, Bakardzhiev, Stefan, Balen, Jacqueline, Bejko, Lorenc, Bernardos, Rebecca, Bertsatos, Andreas, Biber, Hanifi, Bilir, Ahmet, Brodruzic, Mario, Bonogofsky, Michelle, Bonsall, Clive, Boric, Dusan, Borovinic, Nikola, Morante, Guillermo Bravo, Buttinger, Katharina, Callan, Kim, Candilio, Francesca, Caric, Mario, Cheronet, Olivia, Chohadzhiev, Stefan, Chovalopoulou, Maria-Eleni, Chryssoulaki, Stella, Ciobanu, Ion, Condic, Natalija, Constantienescu, Mihai, Cristiani, Emanuela, Culleton, Brendan J, Curtis, Elizabeth, Davis, Jack, Davtyan, Ruben, Demcenco, Tatiana I, Dergachev, Valentin, Derin, Zafer, Deskaj, Sylvia, Devejyan, Seda, Djordjevic, Vojislav, Duffett Carlson, Kellie Sara, Eccles, Laurie R, Elenski, Nedko, Engin, Atilla, Erdogan, Nihat, Erir-Pazarci, Sabiha, Fernandes, Daniel M, Ferry, Matthew, Freilich, Suzanne, Frinculeasa, Alin, Galaty, Michael L, Gamarra, Beatriz, Gasparyan, Boris, Gaydarska, Bisserka, Genc, Elif, Gultekin, Timur, Gunduz, Serkan, Hajdu, Tamas, Heyd, Volker, Hobosyan, Suren, Hovhannisyan, Nelli, Iliev, Ilya, Iliev, Stanislav, Ivgin, Ilkay, Jankovic, Ivor, Jovanova, Lence, Karkanas, Panagiotis, Kavaz-Kindigili, Berna, Kaya, Esra Hilal, Keating, Denise, Kennett, Douglas J, Kesici, Seda Deniz, Khudaverdyan, Anahit, Kiss, Krisztian, Kilic, Sinan, Klostermann, Paul, Negra Valdes, Sniem Kostak Boca, Kovacevic, Sasa, Krenz-Niedbala, Marta, Skrivanko, Maja Krznaric, Kurti, Rovena, Kuzman, Pasko, Lawson, Ann Marie, Lazar, Catalin, Leshtakov, Krassimir, Levy, Thomas E, Liritzis, Ioannis, Lorentz, Kirsi O, Lukasik, Sylwia, Mah, Matthew, Mallick, Swapan, Mandl, Kirsten, Martirosyan-Olshansky, Kristine, Matthews, Roger, Matthews, Wendy, McSweeney, Kathleen, Melikyan, Varduhi, Micco, Adam, Michel, Megan, Milasinovic, Lidija, Mittnik, Alissa, Monge, Janet M, Nekhrizov, Georgi, Nicholls, Rebecca, Nikitin, Alexey G, Nikolov, Vassil, Novak, Mario, Olalde, Inigo, Oppenheimer, Jonas, Osterholtz, Anna, Ozdemir, Celal, Ozdogan, Kadir Toykan, Ozturk, Nurettin, Papadimitriou, Nikos, Papakonstantinou, Niki, Papathanasiou, Anastasia, Paraman, Lujana, Paskary, Evgeny G, Patterson, Nick, Petrakiev, Ilian, Petrosyan, Levon, Petrova, Vanya, Phillippa-Touchais, Anna, Piliposyan, Ashot, Pocuca Kuzman, Nada, Potrebica, Hrvoje, Preda-Balancia, Bianca, Premuzic, Zrinka, Price, T Douglas, Qiu, Lijun, Radovic, Sinisa, Raeuf Aziz, Kamal, Rajic Sikanjic, Petra, Rasheed Raheem, Kamal, Razumov, Sergei, Richardson, Amy, Roodenberg, Jacob, Ruka, Rudenc, Rasseva, Victoria, Sahin, Mustafa, Sarbak, Aysegul, Savas, Emre, Schattke, Constanze, Schepartz, Lynne, Selcuk, Tayfun, Sevim-Erol, Ayla, Shamoon-Pour, Michel, Shephard, Henry M, Sideris, Athanasios, Simalcsik, Angela, Simonyan, Hakob, Sinika, Vitalij, Sirak, Kendra, Sirbu, Ghenadie, Slaus, Mario, Soficaru, Andrei, Sogut, Bilal, Soltysiak, Arkadiusz, Sonmez-Sozer, Cilem, Stathi, Maria, Steskal, Martin, Stewardson, Kristin, Stocker, Sharon, Suata-Alpaslan, Fadime, Suvorov, Alexander, Szecsenyi-Nagy, Anna, Szeniczey, Tamas, Telnov, Nikolai, Temov, Strahil, Todorova, Nadezhda, Tota, Ulsi, Touchais, Gilles, Triantaphyllou, Sevi, Turker, Atila, Ugarkovic, Marina, Valchev, Todor, Veljanovska, Fancia, Videvski, Zlatko, Virag, Christian, Wagner, Anna, Walsh, Samantha, Wlodarczak, Piotr, Workman, J Noah, Yardumian, Aram, Yarovoy, Evgenii, Yavuz, Alper Yener, Yilmaz, Hakan, Zalzala, Fatma, Zettl, Anna, Zhang, Zhao, Cavusoglu, Rafet, Rohland, Nadin, Pinhasi, Ron, and Reich, David

Abstract

Literary and archaeological sources have preserved a rich history of Southern Europe and West Asia since the Bronze Age that can be complemented by genetics. Mycenaean period elites in Greece did not differ from the general population and included both people with some steppe ancestry and others, like the Griffin Warrior, without it. Similarly, people in the central area of the Urartian Kingdom around Lake Van lacked the steppe ancestry characteristic of the kingdom’s northern provinces. Anatolia exhibited extraordinary continuity down to the Roman and Byzantine periods, with its people serving as the demographic core of much of the Roman Empire, including the city of Rome itself. During medieval times, migrations associated with Slavic and Turkic speakers profoundly affected the region.

Published
2022

4. A genetic probe into the ancient and medieval history of Southern Europe and West Asia

Author

Lazaridis, Iosif, Alpaslan-Roodenberg, Songul, Acar, Ayse, Acikkol, Aysen, Agelarakis, Anagnostis, Aghikyan, Levon, Akyuz, Ugur, Andreeva, Desislava, Andrijasevic, Gojko, Anatonovic, Dragana, Armit, Ian, Atmaca, Alper, Avetisyan, Alper, Avetisyan, Pavel, Aytek, Ahmet Ihsan, Bacvarov, Krum, Badalyan, Ruben, Bakardzhiev, Stefan, Balen, Jacqueline, Bejko, Lorenc, Bernardos, Rebecca, Bertsatos, Andreas, Biber, Hanifi, Bilir, Ahmet, Brodruzic, Mario, Bonogofsky, Michelle, Bonsall, Clive, Boric, Dusan, Borovinic, Nikola, Morante, Guillermo Bravo, Buttinger, Katharina, Callan, Kim, Candilio, Francesca, Caric, Mario, Cheronet, Olivia, Chohadzhiev, Stefan, Chovalopoulou, Maria-Eleni, Chryssoulaki, Stella, Ciobanu, Ion, Condic, Natalija, Constantienescu, Mihai, Cristiani, Emanuela, Culleton, Brendan J, Curtis, Elizabeth, Davis, Jack, Davtyan, Ruben, Demcenco, Tatiana I, Dergachev, Valentin, Derin, Zafer, Deskaj, Sylvia, Devejyan, Seda, Djordjevic, Vojislav, Duffett Carlson, Kellie Sara, Eccles, Laurie R, Elenski, Nedko, Engin, Atilla, Erdogan, Nihat, Erir-Pazarci, Sabiha, Fernandes, Daniel M, Ferry, Matthew, Freilich, Suzanne, Frinculeasa, Alin, Galaty, Michael L, Gamarra, Beatriz, Gasparyan, Boris, Gaydarska, Bisserka, Genc, Elif, Gultekin, Timur, Gunduz, Serkan, Hajdu, Tamas, Heyd, Volker, Hobosyan, Suren, Hovhannisyan, Nelli, Iliev, Ilya, Iliev, Stanislav, Ivgin, Ilkay, Jankovic, Ivor, Jovanova, Lence, Karkanas, Panagiotis, Kavaz-Kindigili, Berna, Kaya, Esra Hilal, Keating, Denise, Kennett, Douglas J, Kesici, Seda Deniz, Khudaverdyan, Anahit, Kiss, Krisztian, Kilic, Sinan, Klostermann, Paul, Negra Valdes, Sniem Kostak Boca, Kovacevic, Sasa, Krenz-Niedbala, Marta, Skrivanko, Maja Krznaric, Kurti, Rovena, Kuzman, Pasko, Lawson, Ann Marie, Lazar, Catalin, Leshtakov, Krassimir, Levy, Thomas E, Liritzis, Ioannis, Lorentz, Kirsi O, Lukasik, Sylwia, Mah, Matthew, Mallick, Swapan, Mandl, Kirsten, Martirosyan-Olshansky, Kristine, Matthews, Roger, Matthews, Wendy, McSweeney, Kathleen, Melikyan, Varduhi, Micco, Adam, Michel, Megan, Milasinovic, Lidija, Mittnik, Alissa, Monge, Janet M, Nekhrizov, Georgi, Nicholls, Rebecca, Nikitin, Alexey G, Nikolov, Vassil, Novak, Mario, Olalde, Inigo, Oppenheimer, Jonas, Osterholtz, Anna, Ozdemir, Celal, Ozdogan, Kadir Toykan, Ozturk, Nurettin, Papadimitriou, Nikos, Papakonstantinou, Niki, Papathanasiou, Anastasia, Paraman, Lujana, Paskary, Evgeny G, Patterson, Nick, Petrakiev, Ilian, Petrosyan, Levon, Petrova, Vanya, Phillippa-Touchais, Anna, Piliposyan, Ashot, Pocuca Kuzman, Nada, Potrebica, Hrvoje, Preda-Balancia, Bianca, Premuzic, Zrinka, Price, T Douglas, Qiu, Lijun, Radovic, Sinisa, Raeuf Aziz, Kamal, Rajic Sikanjic, Petra, Rasheed Raheem, Kamal, Razumov, Sergei, Richardson, Amy, Roodenberg, Jacob, Ruka, Rudenc, Rasseva, Victoria, Sahin, Mustafa, Sarbak, Aysegul, Savas, Emre, Schattke, Constanze, Schepartz, Lynne, Selcuk, Tayfun, Sevim-Erol, Ayla, Shamoon-Pour, Michel, Shephard, Henry M, Sideris, Athanasios, Simalcsik, Angela, Simonyan, Hakob, Sinika, Vitalij, Sirak, Kendra, Sirbu, Ghenadie, Slaus, Mario, Soficaru, Andrei, Sogut, Bilal, Soltysiak, Arkadiusz, Sonmez-Sozer, Cilem, Stathi, Maria, Steskal, Martin, Stewardson, Kristin, Stocker, Sharon, Suata-Alpaslan, Fadime, Suvorov, Alexander, Szecsenyi-Nagy, Anna, Szeniczey, Tamas, Telnov, Nikolai, Temov, Strahil, Todorova, Nadezhda, Tota, Ulsi, Touchais, Gilles, Triantaphyllou, Sevi, Turker, Atila, Ugarkovic, Marina, Valchev, Todor, Veljanovska, Fancia, Videvski, Zlatko, Virag, Christian, Wagner, Anna, Walsh, Samantha, Wlodarczak, Piotr, Workman, J Noah, Yardumian, Aram, Yarovoy, Evgenii, Yavuz, Alper Yener, Yilmaz, Hakan, Zalzala, Fatma, Zettl, Anna, Zhang, Zhao, Cavusoglu, Rafet, Rohland, Nadin, Pinhasi, Ron, Reich, David, Lazaridis, Iosif, Alpaslan-Roodenberg, Songul, Acar, Ayse, Acikkol, Aysen, Agelarakis, Anagnostis, Aghikyan, Levon, Akyuz, Ugur, Andreeva, Desislava, Andrijasevic, Gojko, Anatonovic, Dragana, Armit, Ian, Atmaca, Alper, Avetisyan, Alper, Avetisyan, Pavel, Aytek, Ahmet Ihsan, Bacvarov, Krum, Badalyan, Ruben, Bakardzhiev, Stefan, Balen, Jacqueline, Bejko, Lorenc, Bernardos, Rebecca, Bertsatos, Andreas, Biber, Hanifi, Bilir, Ahmet, Brodruzic, Mario, Bonogofsky, Michelle, Bonsall, Clive, Boric, Dusan, Borovinic, Nikola, Morante, Guillermo Bravo, Buttinger, Katharina, Callan, Kim, Candilio, Francesca, Caric, Mario, Cheronet, Olivia, Chohadzhiev, Stefan, Chovalopoulou, Maria-Eleni, Chryssoulaki, Stella, Ciobanu, Ion, Condic, Natalija, Constantienescu, Mihai, Cristiani, Emanuela, Culleton, Brendan J, Curtis, Elizabeth, Davis, Jack, Davtyan, Ruben, Demcenco, Tatiana I, Dergachev, Valentin, Derin, Zafer, Deskaj, Sylvia, Devejyan, Seda, Djordjevic, Vojislav, Duffett Carlson, Kellie Sara, Eccles, Laurie R, Elenski, Nedko, Engin, Atilla, Erdogan, Nihat, Erir-Pazarci, Sabiha, Fernandes, Daniel M, Ferry, Matthew, Freilich, Suzanne, Frinculeasa, Alin, Galaty, Michael L, Gamarra, Beatriz, Gasparyan, Boris, Gaydarska, Bisserka, Genc, Elif, Gultekin, Timur, Gunduz, Serkan, Hajdu, Tamas, Heyd, Volker, Hobosyan, Suren, Hovhannisyan, Nelli, Iliev, Ilya, Iliev, Stanislav, Ivgin, Ilkay, Jankovic, Ivor, Jovanova, Lence, Karkanas, Panagiotis, Kavaz-Kindigili, Berna, Kaya, Esra Hilal, Keating, Denise, Kennett, Douglas J, Kesici, Seda Deniz, Khudaverdyan, Anahit, Kiss, Krisztian, Kilic, Sinan, Klostermann, Paul, Negra Valdes, Sniem Kostak Boca, Kovacevic, Sasa, Krenz-Niedbala, Marta, Skrivanko, Maja Krznaric, Kurti, Rovena, Kuzman, Pasko, Lawson, Ann Marie, Lazar, Catalin, Leshtakov, Krassimir, Levy, Thomas E, Liritzis, Ioannis, Lorentz, Kirsi O, Lukasik, Sylwia, Mah, Matthew, Mallick, Swapan, Mandl, Kirsten, Martirosyan-Olshansky, Kristine, Matthews, Roger, Matthews, Wendy, McSweeney, Kathleen, Melikyan, Varduhi, Micco, Adam, Michel, Megan, Milasinovic, Lidija, Mittnik, Alissa, Monge, Janet M, Nekhrizov, Georgi, Nicholls, Rebecca, Nikitin, Alexey G, Nikolov, Vassil, Novak, Mario, Olalde, Inigo, Oppenheimer, Jonas, Osterholtz, Anna, Ozdemir, Celal, Ozdogan, Kadir Toykan, Ozturk, Nurettin, Papadimitriou, Nikos, Papakonstantinou, Niki, Papathanasiou, Anastasia, Paraman, Lujana, Paskary, Evgeny G, Patterson, Nick, Petrakiev, Ilian, Petrosyan, Levon, Petrova, Vanya, Phillippa-Touchais, Anna, Piliposyan, Ashot, Pocuca Kuzman, Nada, Potrebica, Hrvoje, Preda-Balancia, Bianca, Premuzic, Zrinka, Price, T Douglas, Qiu, Lijun, Radovic, Sinisa, Raeuf Aziz, Kamal, Rajic Sikanjic, Petra, Rasheed Raheem, Kamal, Razumov, Sergei, Richardson, Amy, Roodenberg, Jacob, Ruka, Rudenc, Rasseva, Victoria, Sahin, Mustafa, Sarbak, Aysegul, Savas, Emre, Schattke, Constanze, Schepartz, Lynne, Selcuk, Tayfun, Sevim-Erol, Ayla, Shamoon-Pour, Michel, Shephard, Henry M, Sideris, Athanasios, Simalcsik, Angela, Simonyan, Hakob, Sinika, Vitalij, Sirak, Kendra, Sirbu, Ghenadie, Slaus, Mario, Soficaru, Andrei, Sogut, Bilal, Soltysiak, Arkadiusz, Sonmez-Sozer, Cilem, Stathi, Maria, Steskal, Martin, Stewardson, Kristin, Stocker, Sharon, Suata-Alpaslan, Fadime, Suvorov, Alexander, Szecsenyi-Nagy, Anna, Szeniczey, Tamas, Telnov, Nikolai, Temov, Strahil, Todorova, Nadezhda, Tota, Ulsi, Touchais, Gilles, Triantaphyllou, Sevi, Turker, Atila, Ugarkovic, Marina, Valchev, Todor, Veljanovska, Fancia, Videvski, Zlatko, Virag, Christian, Wagner, Anna, Walsh, Samantha, Wlodarczak, Piotr, Workman, J Noah, Yardumian, Aram, Yarovoy, Evgenii, Yavuz, Alper Yener, Yilmaz, Hakan, Zalzala, Fatma, Zettl, Anna, Zhang, Zhao, Cavusoglu, Rafet, Rohland, Nadin, Pinhasi, Ron, and Reich, David

Abstract

Literary and archaeological sources have preserved a rich history of Southern Europe and West Asia since the Bronze Age that can be complemented by genetics. Mycenaean period elites in Greece did not differ from the general population and included both people with some steppe ancestry and others, like the Griffin Warrior, without it. Similarly, people in the central area of the Urartian Kingdom around Lake Van lacked the steppe ancestry characteristic of the kingdom’s northern provinces. Anatolia exhibited extraordinary continuity down to the Roman and Byzantine periods, with its people serving as the demographic core of much of the Roman Empire, including the city of Rome itself. During medieval times, migrations associated with Slavic and Turkic speakers profoundly affected the region.

Published
2022

5. THE PSYCHOLOGICAL EFFECTS OF COVID 19 ON MEDICAL AND NON-MEDICAL UNIVERSITY STUDENTS

Author

Yeni Elbay, Rumeysa, Yilmaz, Hakan, Cifteci, Kursad, Karadere, Emrah, Yeni Elbay, Rumeysa, Yilmaz, Hakan, Cifteci, Kursad, and Karadere, Emrah

Abstract

Background: The COVID 19 pandemic has had significant psychological effects on university students as well as in all segments of society. The aim of this study is to examine the relationship between education fields (medical-non medical), education styles (online-face to face), sociodemographic characteristics of university students and their levels of depression, anxiety, stress, fear of COVID-19. Subjects and methods: In the cross-sectional designed research, 1213 university students studying in Turkey was reached online. A sociodemographic form, the Depression Anxiety Stress Scale (DASS 21) and the Fear of COVID-19 Scale (FCV-19S) was applied to the participants. Results: Of all participants 887(73%) were women. 647(53%) students were studying in the medical field. The scores of FCV- 19S and all subscales of DASS 21 were significantly higher in women. In the comparison between the field and style of education, no difference was found. DASS 21 scores were higher in the participants whose relatives had COVID-19 or who had a mental disorder in the past or medical disease. Conclusions: In this study, it was observed that while there was no significant difference in the scores of DASS 21 among university students in terms of the field and style of education, variables such as gender, not having COVID-19 so far, having lost a relative due to COVID-19 could cause significant differences. Identifying sensitive groups will create early intervention opportunities.

Published
2021

6. Custom RFID Location Simulator

Author

Yilmaz, Hakan, Nacar, Osman, Sezgin, Ozgur, Bostanci, Erkan, Guzel, Mehmet Serdar, Yilmaz, Hakan, Nacar, Osman, Sezgin, Ozgur, Bostanci, Erkan, and Guzel, Mehmet Serdar

Abstract

Radio frequency identification (RFID), The real-time location of objects and ability to track motion provide a wide range of useful applications in areas such as safety, security and supply chain. In recent years, radio frequency identification technology has moved from obscurity into mainstream applications that help speed the handling of manufactured goods and materials. RFID enables identification from a distance, and unlike earlier bar-code technology, it does so without requiring a line of sight. In this paper, the author introduces the principles of RFID, discusses its primary technologies and applications., Comment: 6 pages, 10 figures

Published
2018

7. 2013 CAR Breakfast Briefing Series - Automotive Fuels and Emissions: Policies, Compliance, & Potential Impact of Future Technologies

Author

Gearhart, Chris, Johnson, Stuart, Yilmaz, Hakan, Gearhart, Chris, Johnson, Stuart, and Yilmaz, Hakan

Abstract

This resource contains presentations from one of the Center for Automotive Research’s (CAR’s) breakfast briefings titled “Automotive Fuels and Emissions: Policies, Compliance, & Potential Impact of Future Technologies.” This briefing occurred on 12/5/13 at Robert Bosch LLC in Farmington Hills, MI. At the briefing presenters discussed the strategic implications of Tier 3 regulations which will soon be finalized and may impact future technology decisions in a multitude of ways. The impact of Tier 3 emission regulations is expected to be far reaching as they have the potential to influence the quality of fuel, as well as usage of alternative fuels and powertrains. Further, the regulations will have a direct influence on the technologies, such as diesel and gasoline direct injection, that automakers will utilize to meet the fuel economy standards through MY2025. Included in this resource are the presentations from the National Renewable Energy Laboratory (NREL), Volkswagen, and Bosch utilized at the briefing.

Published
2013

8. Comment les Turcs perçoivent l'Europe et l'Union européenne

Author

Yilmaz, Hakan and Yilmaz, Hakan

Abstract

`titrebRésumé`/titrebL’Etat et le peuple turcs soutiennent massivement l’adhésion à l’Union européenne. Si elle se réalisait, l’opinion générale actuelle, malgré de nombreuses nuances, espère très nettement en recueillir plus de bénéfices que d’inconvénients, y compris dans des domaines inattendus touchant à la souveraineté nationale. Mais ils ressentent aussi l’attitude de l’Union européenne comme de plus en plus négative à leur égard...

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