Zobrazeno 1 - 10
of 1 951
pro vyhledávání: '"Kraev AS"'
Feature selection is an essential process in machine learning, especially when dealing with high-dimensional datasets. It helps reduce the complexity of machine learning models, improve performance, mitigate overfitting, and decrease computation time
Externí odkaz:
http://arxiv.org/abs/2410.06815
Output thresholding is the technique to search for the best threshold to be used during inference for any classifiers that can produce probability estimates on train and testing datasets. It is particularly useful in high imbalance classification pro
Externí odkaz:
http://arxiv.org/abs/2405.11230
Autor:
Krasimir Kraev, Petar Uchikov, Bozhidar Hristov, Maria Kraeva, Yordanka Basheva-Kraeva, Mladen Doykov, Stanislava Popova-Belova, Mariela Geneva-Popova
Publikováno v:
Folia Medica, Vol 66, Iss 4, Pp 461-465 (2024)
Introduction: Osteoarthritis is a prevalent degenerative joint disorder associated with pain and functional impairment. Curcumin, a natural anti-inflammatory compound, has garnered attention for its potential therapeutic benefits in osteoarthritis ma
Externí odkaz:
https://doaj.org/article/8872338dcf3641918800e87a470fcf5c
Autor:
Jasmin Gurung, Mladen Doykov, Gancho Kostov, Bozhidar Hristov, Peter Uchikov, Krasimir Kraev, Daniel Doykov, Katya Doykova, Siyana Valova, Emiliya Nacheva-Georgieva, Eduard Tilkiyan
Publikováno v:
Folia Medica, Vol 66, Iss 3, Pp 303-311 (2024)
The ongoing growth of artificial intelligence (AI) involves virtually every aspect of oncologic care in medicine. Although AI is in its infancy, it has shown great promise in the diagnosis of oncologic urological conditions. This paper aims to explor
Externí odkaz:
https://doaj.org/article/36c7203a619a4b71b472915c4847601a
Autor:
Bozhidar Hristov, Daniel Doykov, Desislav Stanchev, Emiliya Nacheva-Georgieva, Krasimir Kraev, Petar Uchikov, Gancho Kostov, Siyana Valova, Eduard Tilkiyan, Katya Doykova, Mladen Doykov
Publikováno v:
Folia Medica, Vol 66, Iss 3, Pp 415-420 (2024)
Bouveret’s syndrome (BS) represents an exceedingly rare clinical entity characterized by gastric outlet obstruction induced by a gallstone passing through a cholecystoduodenal, cholecystogastric or choledochoduodenal fistula and impacting in the du
Externí odkaz:
https://doaj.org/article/f1c190d626f6459e8c89953915a4f9d2
Publikováno v:
Journal of Medical Case Reports, Vol 18, Iss 1, Pp 1-7 (2024)
Abstract Background A xanthoma is a rare bone condition consisting of a predominant collection of lipid-rich, foamy histiocytes. The central xanthoma of the jaws is a unique benign tumor. Case report A 15-year-old Caucasian male has been presented to
Externí odkaz:
https://doaj.org/article/d7bcd408a55445eea5d49fd652f3d659
Recently, many causal estimators for Conditional Average Treatment Effect (CATE) and instrumental variable (IV) problems have been published and open sourced, allowing to estimate granular impact of both randomized treatments (such as A/B tests) and
Externí odkaz:
http://arxiv.org/abs/2212.10076
Autor:
Bozhidar Hristov, Daniel Doykov, Vladimir Andonov, Mladen Doykov, Krasimir Kraev, Petar Uchikov, Rosen Dimov, Gancho Kostov, Siyana Valova, Katya Doykova, Dzhevdet Chakarov, Milena Sandeva
Publikováno v:
Gastroenterology Insights, Vol 15, Iss 2, Pp 266-284 (2024)
Introduction. Biliary obstruction is a common manifestation of biliopancreatic malignancies, and its relief is an essential part of the treatment algorithm. Currently, there are three techniques to manage malignant biliary obstruction—endoscopic re
Externí odkaz:
https://doaj.org/article/19279a57f1464cd895168a43293ddd2b
Autor:
Krasimir Kraev, Bozhidar Hristov, Petar Uchikov, Mariya Kraeva, Mariela Geneva-Popova, Stanislava Popova, Yordanka Basheva-Kraeva, Nina S. Stoyanova, Vesela Mitkova-Hristova
Publikováno v:
Folia Medica, Vol 66, Iss 2, Pp 188-195 (2024)
Aim: This study aimed to construct prognostic mathematical models utilizing multifactorial regression analysis to assess the risk of developing drug-induced neutralizing antibodies in patients with rheumatoid arthritis, psoriatic arthritis, and ankyl
Externí odkaz:
https://doaj.org/article/0bde3fcfc0414096b82abc185c1f7dd1
Autor:
Petar Uchikov, Nedzhat Ali, Krasimir Kraev, Bozhidar Hristov, Atanas Ivanov, Mladen Doykov, Maria Koleva-Ivanova, Angelina Mollova-Kyosebekirova, Maria Kraeva, Dzhevdet Chakarov, Milena Sandeva, Bistra Dobreva-Yatseva, Petar Antonov
Publikováno v:
Urology Case Reports, Vol 54, Iss , Pp 102735- (2024)
Urachal adenocarcinomas, constituting 10 % of bladder adenocarcinomas, pose a significant challenge with limited literature. A 43-year-old male presented with haematuria and abdominal pain, leading to surgical intervention for a 13 cm pelvic tumor. H
Externí odkaz:
https://doaj.org/article/317d2d1fe7904007b0c266a25241e67a