Results 101 to 110 of about 44,567 (303)
Advanced Intelligent Systems, EarlyView.Four decades of retinal vessel segmentation research (1982–2025) are synthesized, spanning classical image processing, machine learning, and deep learning paradigms. A meta‐analysis of 428 studies establishes a unified taxonomy and highlights performance trends, generalization capabilities, and clinical relevance.
Avinash Bansal +6 more
wiley +1 more source
Hungarian sovereign credit risk premium in international comparison during the financial crisis [PDF]
As the CDS market has been the primary market for the price discovery of Hungarian sovereign credit risk in recent years, we can gain the most reliable information about Hungarian sovereign credit risk premia by analysing the price of Hungarian CDS ...
Lóránt Varga
core
Advanced Intelligent Systems, EarlyView.This work presents a bio‐inspired computing framework for Parkinson's disease analog recognition using electroencephalogram signals. Temporally encoded EEG features stimulate a mycelium‐inspired memristive reservoir, where disease‐related patterns emerge through physical spatiotemporal dynamics.
Ioannis K. Chatzipaschalis +5 more
wiley +1 more source
The Home Bias in Sovereign Ratings [PDF]
, 2013 Credit rating agencies are frequently criticized for producing sovereign ratings that do not accurately reflect the economic and political fundamentals of rated countries. This article discusses how the home country of rating agencies could affect rating
Fuchs , Andreas, Gehring , Kai
core +4 more sources
Sovereign Credit Rating Contagion in the EU
Procedia Economics and Finance, 2015 AbstractThe recent persistent and synchronised deterioration in the euro zone had severe consequences for the euro community, the effects of which have been felt by the global community. This study proved that sovereign rating contagion existed between euro countries during the two recent windows of crises, namely the Lehman and sovereign debt crisis ...
Fourie, Leila, Botha, Ilse
openaire +1 more source
Dimensions of the AI Divide: Digital Inequality and Psychological Consequences
AI &Innovation, EarlyView.ABSTRACT Artificial intelligence (AI) has become a foundational component of contemporary social, economic, and political life. Yet, the ways in which AI reshapes patterns of exclusion beyond questions of access and technical capability remain insufficiently theorized.
Christos Papaioannou
wiley +1 more source
Estimating Default Probabilities of Emerging Market Sovereigns: A New Look at a Not-So-New Literature [PDF]
The January 2001 proposal for a New Basel Capital Accord has renewed the interest in obtaining default probabilities for various types of borrowers. This paper uses a panel logit model to estimate default probabilities of 78 emerging market countries ...
Marcel Peter
core
The contagion effects of sovereign downgrades: evidence from the European financial crisis [PDF]
, 2014 This research examines the effects of sovereign downgrades on European financial markets between 2005 and 2012. Vector Autoregression (VAR) techniques are used to investigate the presence of contagion effects after a sovereign downgrade across equity ...
Corbet, Shaen
core
AI &Innovation, EarlyView.ABSTRACT Open‐source artificial intelligence is widely promoted as a democratising pathway to digital sovereignty for African states, offering access to frontier architectures without prohibitive capital investment. This paper investigates whether open‐source AI represents a credible route to autonomy or generates a new form of structural dependency ...
Ololade A. Shonubi
wiley +1 more source