Results 31 to 40 of about 25,522,106 (257)

Dealing With Sparse Rewards Using Graph Neural Networks

open access: yesIEEE Access, 2023
Deep reinforcement learning in partially observable environments is a difficult task in itself and can be further complicated by a sparse reward signal.
Matvey Gerasyov, Ilya Makarov
doaj   +1 more source

Urban Functional Area Division Based on Cell Tower Classification

open access: yesIEEE Access, 2019
Each city can be divided into different functional areas for different purposes, such as commercial areas, residential areas, leisure areas, office areas, etc.
Yuewei Wu, Yuanyuan Qiao, Jie Yang
doaj   +1 more source

N-Acetylcysteine Attenuates Oxidative Stress and Preserves Red Blood Cell Quality During Whole Blood Storage

open access: yesAntioxidants
Whole blood (WB) storage induces biochemical and biomechanical alterations that may compromise red blood cell (RBC) quality. Since oxidative stress is a major driver of storage lesions, we investigated whether N-acetylcysteine (NAC) could attenuate these
Sonia Eligini   +5 more
doaj   +1 more source

Polarimetric SAR Image Classification Based on Ensemble Dual-Branch CNN and Superpixel Algorithm

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022
Recently, convolutional neural networks (CNNs) have been successfully utilized in polarimetric synthetic aperture radar (PolSAR) image classification and obtained promising results. However, most CNN-based classification methods require a large number of
Wenqiang Hua   +3 more
doaj   +1 more source

European Standard Clinical Practice Guideline and EXPeRT Recommendations for the Diagnosis and Management of Gastroenteropancreatic Neuroendocrine Neoplasms in Children and Adolescents

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Pediatric gastroenteropancreatic neuroendocrine neoplasms (GEP‐NENs) are extremely rare and clinically heterogeneous. Management has largely been extrapolated from adult practice. This European Standard Clinical Practice Guideline (ESCP), developed by the EXPeRT network in collaboration with adult NEN experts, provides (adult) evidence ...
Michaela Kuhlen   +23 more
wiley   +1 more source

Analysis of Networked Systems [PDF]

open access: yes, 2014
In this chapter fundamental properties of networked control systems are discussed that characterize obstructions to and requirements for the control of interconnections through digital channels. On the one hand, this chapter relates to general problems of the characterization of controllability and observability properties of interconnected systems ...
Colonius, Fritz   +5 more
openaire   +2 more sources

Solid Pseudopapillary Neoplasm of the Pancreas in Children and Adolescents: Expert Recommendations

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Solid pseudopapillary neoplasm of the pancreas (SPN) is a rare low‐grade malignant exocrine pancreatic tumor, mostly discovered during the second decade of life in females, with a very good prognosis, provided microscopically complete surgical excision is achieved.
Sabine Irtan   +18 more
wiley   +1 more source

Ovarian Sex Cord Stromal Tumors in Children and Adolescents—The European Standard Clinical Practice Recommendations

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT As part of the European Cooperative Study Group for Paediatric Rare Tumours initiative, we developed standard clinical practice guidelines for ovarian sex cord stromal tumors, based on comprehensive national and international cohort analyses, literature review, and a final expert consensus conference.
Dominik T. Schneider   +15 more
wiley   +1 more source

Visibility graph analysis for educational data: potentials and a case study of predicting at-risk online students

open access: yesScientific Reports
This paper introduces visibility graph analysis as a supplementary approach for examining educational time series data, particularly in online learning environments.
Hadis Azizi   +3 more
doaj   +1 more source

Provider Bias in prescribing opioid analgesics: a study of electronic medical Records at a Hospital Emergency Department

open access: yesBMC Public Health, 2021
Background Physicians do not prescribe opioid analgesics for pain treatment equally across groups, and such disparities may pose significant public health concerns.
Lisa A. Keister   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy