Results 61 to 70 of about 1,132 (214)

Online Sales and Business Model Innovation in Art Markets: A Case Study

Social Sciences, 2020
Every year online sales represent a higher percentage of the sales total in nearly all sectors of the economy, and the art markets are no exception.
Alexandra Fernandes, Luís U. Afonso
doaj   +1 more source

Deep Reinforcement Learning Based Autonomous Decision‐Making for Cooperative Uncrewed Aerial Vehicles: A Search and Rescue Real World Application

Journal of Field Robotics, EarlyView.
ABSTRACT This paper presents the first end‐to‐end framework that combines guidance, navigation, and centralized task allocation for multiple UAVs performing autonomous search‐and‐rescue (SAR) in GNSS‐denied indoor environments. A twin delayed deep deterministic policy gradient controller is trained with an artificial potential field (APF) reward that ...
Thomas Hickling, Maxwell Hogan, Abdulla Tammam, Nabil Aouf   +3 more
wiley   +1 more source

Enhancing Drone Light Shows Performances: Optimal Allocation and Trajectories for Swarm Drone Formations

Journal of Field Robotics, EarlyView.
ABSTRACT Drone light shows (DLShows) represent a rapidly growing application of swarm robotics, creating captivating aerial displays through the synchronized flight of hundreds or thousands of unmanned aerial vehicles (UAVs) as environmentally friendly and reusable alternatives to traditional pyrotechnics.
Yunes Alqudsi
wiley   +1 more source

Using Neighbor Diversity to Detect Fraudsters in Online Auctions

Entropy, 2014
Online auctions attract not only legitimate businesses trying to sell their products but also fraudsters wishing to commit fraudulent transactions. Consequently, fraudster detection is crucial to ensure the continued success of online auctions.
Jun-Lin Lin, Laksamee Khomnotai
doaj   +1 more source

Green Hydrogen as a Sustainability Transition in Spain: Motivations and Implications for Energy Governance

Sustainable Development, EarlyView.
ABSTRACT Green hydrogen has emerged as a strategic component of Spain's decarbonization agenda, with the country leveraging its renewable energy potential and industrial capabilities to align with the European Union's climate goals. Drawing on a multidimensional theoretical framework, this article examines the key drivers shaping Spain's green hydrogen
Zeynep Arıöz, Xira Ruiz‐Campillo
wiley   +1 more source

Unnatural Causes: Cryptocurrencies, Carbon Credits, and the rise of Neoliberalism from Below

Economic Anthropology, EarlyView.
ABSTRACT Klima is a carbon‐backed cryptocurrency running as a decentralized autonomous organization (DAO). In 2021, it had accumulated 9 million metric tons of digital carbon credits and reached a market value of more than US$1 billion. In 2023, its treasury stored twice as many carbon credits, but its spot price was a tiny fraction compared to 2021 ...
Riccardo De Cristano, Alexander Paulsson
wiley   +1 more source

A Framework for Realtime Online Auctions

CoRR, 2014
Among the existing E-Commerce applications, online auctions are the most influential ones. Their impact on trading in the B2B (business to business) as well as in the B2C (business to consumer) and C2C (consumer to consumer) areas will be inevitable. This article describes the architecture of a web-based realtime online auction system, together with ...
Bernhard Rumpe, Guido Wimmel
openaire   +2 more sources

Looking for Trouble: Pre‐Intervention Monitoring in Human and AI Driver Training

Symbolic Interaction, EarlyView.
We compare two types of situations involving monitoring of car driving: a driving instructor overseeing a trainee driver and a safety driver overseeing the performance of autonomous vehicle (AV) software. Our focus is on instances of monitoring that precede (1) interventions that are aborted before impacting the driving and (2) actual interventions on ...
Mathias Broth, Erik Vinkhuyzen, Jakob Cromdal   +2 more
wiley   +1 more source

The power of touch [PDF]

Judgment and Decision Making, 2008
The duration of ownership has been shown to increase the valuation of items that people currently own as well as items they have owned in the past, a phenomenon termed the ``length-of-ownership effect.'' We hypothesize that the duration of exposure to an
James R. Wolf, Hal R. Arkes, Waleed A. Muhanna   +2 more
doaj  

A Multi‐Agent Bidding Strategy in Day‐Ahead Joint Energy and Reserve Markets Considering Risk Preferences

IET Smart Energy Systems, EarlyView.
A PER‐MATD3‐based bidding model for generators in day‐ahead joint energy and reserve markets is proposed. An aggressiveness coefficient quantifies risk preference, KAN improves interpretability and simulation results demonstrate enhanced coordinated decision‐making and training stability.
Xinge Xu, Teng Yan, Xiuming Bao, Dong Liu, Guodong Guo, Yingyun Sun   +5 more
wiley   +1 more source