Results 1 to 10 of about 17,976,945 (278)

What’s trending in difference-in-differences? A synthesis of the recent econometrics literature [PDF]

Journal of Econometrics, 2022
This paper synthesizes recent advances in the econometrics of difference-in-differences (DiD) and provides concrete recommendations for practitioners. We begin by articulating a simple set of ``canonical'' assumptions under which the econometrics of DiD ...
J. Roth, Pedro H. C. Sant'Anna, A. Bilinski, John Poe   +3 more
semanticscholar   +1 more source

Ophthalmic practice during COVID-19 pandemic [PDF]

International Journal of Ophthalmology, 2021
Coronavirus disease 2019 (COVID-19) pandemic has caused significant changes in ophthalmic practice. The initial strategy of strict restriction of elective activities has been replaced with various guidelines to revitalize ophthalmic procedures ...
Mohammad Soleimani, Mohammad Mehrpour, Hossein Mohammad-Rabei   +2 more
doaj   +1 more source

Fermentasi Bunga Telang (Clitoria ternatea L) Dengan Penambahan Madu Baduy Produk SR12 Sebagai Inovasi Bioteknologi Kombucha

Jurnal Ilmiah Biosaintropis (Bioscience-Tropic), 2023
Gram positive and negative bacteria have always been a problem for the survival of living things in a high threshold as normal flora. Telang flower contains anthocyanins which are efficacious as antioxidants and antibacterials so that kombucha has a high
Mu'jijah Mu'jijah, Nurullah Asep Abdilah, Firman Rezaldi, Kusumiyati Kusumiyati, Diyan Yunanto Setyaji, M Fariz Fadillah   +5 more
doaj   +1 more source

The Active Faults of Eurasia Database (AFEAD): the ontology and design behind the continental-scale dataset [PDF]

Earth System Science Data, 2022
Active faults are those faults on which movement is possible in the future. This draws particular attention to active faults in geodynamic studies and seismic hazard assessment.
E. Zelenin, D. Bachmanov, S. Garipova, V. Trifonov, A. Kozhurin, A. Kozhurin   +5 more
doaj   +1 more source

Recent advances in convolutional neural networks [PDF]

Pattern Recognition, 2015
In the last few years, deep learning has led to very good performance on a variety of problems, such as visual recognition, speech recognition and natural language processing.
Jiuxiang Gu, Zhenhua Wang, Jason Kuen, Lianyang Ma, Amir Shahroudy, Bing Shuai, Ting Liu, Xingxing Wang, Gang Wang, Jianfei Cai, Tsu-Han Chen   +10 more
semanticscholar   +1 more source

Zoogeographical and stratigraphical distribution of the genus Zonocypris: Supportive evidence for Anatolian Diagonal and description of a new species from Turkey

BSGF - Earth Sciences Bulletin, 2021
Since its first description from Madagaskar, there are about 16 living (Recent) species of the genus Zonocypris reported from Afrotropical, Neotropical and Palearctic regions.
Külköylüoğlu Okan, Yavuzatmaca Mehmet, Yılmaz Ozan, Tunoğlu Cemal, Akdemir Derya, Nazik Atike, Tuncer Alaettin   +6 more
doaj   +1 more source

Characterizing ecoregions in Argentinian Patagonia using extant continental ostracods [PDF]

Anais da Academia Brasileira de Ciências, 2020
In order to characterize Patagonian (Argentina) ecoregions using non-marine ostracods, their associations in 69 environments were assessed. Twenty eight taxa were recorded, including 12 endemic of the Neotropical region.
GABRIELA CUSMINSKY, CORINA COVIAGA, LORENA RAMOS, A. PATRICIA PÉREZ, ANTJE SCHWALB, VERA MARKGRAF, DANIEL ARIZTEGUI, FINN VIEHBERG, MARTA ALPERIN   +8 more
doaj   +1 more source

A survey of the recent architectures of deep convolutional neural networks [PDF]

Artificial Intelligence Review, 2019
Deep Convolutional Neural Network (CNN) is a special type of Neural Networks, which has shown exemplary performance on several competitions related to Computer Vision and Image Processing.
Asifullah Khan, A. Sohail, Umme Zahoora, A. Qureshi   +3 more
semanticscholar   +1 more source

Macromolecular structure determination using X-rays, neutrons and electrons: recent developments in Phenix

Acta Crystallographica Section D: Structural Biology, 2019
Recent developments in the Phenix software package are described in the context of macromolecular structure determination using X-rays, neutrons and electrons.
D. Liebschner, P. Afonine, M. Baker, G. Bunkoczi, Vincent B. Chen, T. Croll, B. Hintze, L. Hung, Swati Jain, A. McCoy, N. Moriarty, R. Oeffner, B. Poon, M. G. Prisant, Randy J. Read, J. Richardson, D. Richardson, M. Sammito, O. Sobolev, Duncan H. Stockwell, T. Terwilliger, A. Urzhumtsev, Lizbeth L. Videau, Christopher J. Williams, P. Adams   +24 more
semanticscholar   +1 more source

Interactive Tree Of Life (iTOL) v4: recent updates and new developments

Nucleic Acids Res., 2019
The Interactive Tree Of Life (https://itol.embl.de) is an online tool for the display, manipulation and annotation of phylogenetic and other trees. It is freely available and open to everyone.
Ivica Letunic, P. Bork
semanticscholar   +1 more source