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Новости за 01.04.2024

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Audiovisual Moments in Time: A large-scale annotated dataset of audiovisual actions

Plos.org 
En

by Michael Joannou, Pia Rotshtein, Uta Noppeney

We present Audiovisual Moments in Time (AVMIT), a large-scale dataset of audiovisual action events. In an extensive annotation task 11 participants labelled a subset of 3-second audiovisual videos from the Moments in Time dataset (MIT). For each trial, participants assessed whether the labelled audiovisual action event was present and whether it was the most prominent feature of the video. The dataset includes the annotation of 57,177 audiovisual videos... Читать дальше...

Association of per- and polyfluoroalkyl substances with constipation: The National Health and Nutrition Examination Survey (2005–2010)

Plos.org 
En

by Yifan Zhao, Ke Pu, Ya Zheng, Yuping Wang, Jun Wang, Yongning Zhou

Background

The impact of per- and polyfluoroalkyl substances (PFAS) on constipation, as mediated through gastrointestinal absorption and perturbations to the intestinal microecology, remains poorly understood.

Objective

This study seeks to explain the relationship between PFAS and constipation.

Methods

A total of 2945 adults from the National Health and Nutrition Examination Survey (NHANES) 2005–2010 were included in this study. Читать дальше...

Mesoscale effects of trader learning behaviors in financial markets: A multi-agent reinforcement learning study

Plos.org 
En

by Johann Lussange, Stefano Vrizzi, Stefano Palminteri, Boris Gutkin

Recent advances in the field of machine learning have yielded novel research perspectives in behavioural economics and financial markets microstructure studies. In this paper we study the impact of individual trader leaning characteristics on markets using a stock market simulator designed with a multi-agent architecture. Each agent, representing an autonomous investor, trades stocks through reinforcement learning, using a centralized double-auction limit order book. Читать дальше...

Improving the efficiency of adaptive management methods in multiple fishways using environmental DNA

Plos.org 
En

by Masahiko Nakai, Taku Masumoto, Takashi Asaeda, Mizanur Rahman

Dams and weirs impede the continuity of rivers and transit of migratory fish. To overcome this obstacle, fishways are installed worldwide; however, management after installation is important. The Miyanaka Intake Dam has three fish ladders with different flow velocities and discharges and has been under adaptive management since 2012. Fish catch surveys, conducted as an adaptive management strategy, place a heavy burden on fish. Читать дальше...

Individual quality, insecure organizational attachment, and formalistic task completion: Social cognitive perspective

Plos.org 
En

by Wenjun Wu, Huan Xiao, Dengke Yu

Formalistic tasks are widely utilized in modern companies due to their ability to increase productivity and contribute to the achievement of corporate goals at a lower cost. However, these tasks are often meet with resistance from individuals because they do not provide direct short-term rewards for their efforts. Drawing on social cognitive theory, this study examined the influence of individual quality and organizational attachment on the completion of formalistic tasks. Читать дальше...



Optimal power–heat–carbon scheduling strategy for interconnected heterogeneous multi-microgrid considering hydrogen fuel cell vehicles

Plos.org 
En

by Dahu Li, Zirui Shao, Wentao Huang, Bohan Zhang, Jun He, Xinyu Liu

The scale of multi-microgrid (MMG) and hydrogen fuel cell vehicles (HFCVs) is increasing dramatically with the increase in the new energy penetration ratio, and developing an integrated energy system containing a multi-microgrid for hydrogen fuel vehicles brings great challenges to power grid operation. Focusing on the difficulties of the access of multiple microgrids for the low-carbon and economic operation of the system... Читать дальше...

The strategy dynamics of collective systems: Underlying hindrances beyond two-actor coordination

Plos.org 
En

by Ambrosio Valencia-Romero, Paul T. Grogan

Engineering systems, characterized by their high technical complexity and societal intricacies, require a strategic design approach to navigate multifaceted challenges. Understanding the circumstances that affect strategic action in these systems is crucial for managing complex real-world challenges. These challenges go beyond localized coordination issues and encompass intricate dynamics, requiring a deep understanding of the underlying structures impacting strategic behaviors... Читать дальше...

The effect of coronary stent policies on the risk of percutaneous coronary intervention among acute coronary syndrome patients in Shanghai: Real-world evidence

Plos.org 
En

by Zhenyi Shao, Dongzhe Lu, Yue Wang, Di Xue

Objective

This study aimed to analyze the effect of coronary stent policies implemented in Shanghai on the risk of percutaneous coronary intervention (PCI) in acute coronary syndrome (ACS) inpatients based on real-world data.

Methods

Two retrospective cohorts of inpatients with a first diagnosis of ACS who had undergone PCI for the first time in the previous year in Shanghai hospitals were examined (one for the postpolicy period and the other for the prepolicy period). Читать дальше...

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