Results 261 to 270 of about 1,019,702 (312)

Herder in the lab: Maximizing “cultural density” in multilingual training data for an open‐science AI project

Journal of Linguistic Anthropology, Volume 36, Issue 3, December 2026.
Abstract This paper provides ethnographic analysis of interactions between volunteers in an open‐science AI project entrusted with preparing multilingual text for use in fine‐tuning a pretrained LLM. Volunteers were encouraged to entextualize translated text into structured corpora and to write and edit prompt‐completion pairings in over 100 languages.
Joseph Wilson
wiley   +1 more source

A Topographical Anatomical Description of the Orbit of the Alpaca, Vicugna pacos

Veterinary Ophthalmology, Volume 29, Issue 6, November 2026.
ABSTRACT Objective To describe the gross anatomy of the orbita in Huacaya alpacas, identify species‐specific features, and provide comparative anatomical information relevant to clinical ophthalmic practice. Animals Studied Nine heads from postmortem donated Huacaya alpacas were used. Procedures Two skulls were evaluated to characterize the orbita, and
Sophia Weis, Johann Maierl
wiley   +1 more source

Nullwertige Nickelatome stabilisiert in oberflächengestützten metallorganischen Ketten

Angewandte Chemie, Volume 138, Issue 39, 21 September 2026.
Mit 9,10‐Dicyanoanthracen koordinierte nullwertige Ni(0) d10‐Zentren auf Ag(100), die eine metallorganische Kette mit quasi‐eindimensionaler Metall‐Ligand‐Wechselwirkung bilden. ZUSAMMENFASSUNG Die Stabilisierung von nullwertigen Ni(0)‐Zentren in ausgedehnten Koordinationsnetzwerken bleibt aufgrund ihrer ausgeprägten Reaktivität und Anfälligkeit für ...
Simone Mearini, Dominik Brandstetter, Mira S. Arndt, Olga Resel, Daniel Baranowski, Yan Yan Grisan Qiu, Peter Puschnig, Martin Sterrer, Giovanni Zamborlini, Vitaliy Feyer, Claus M. Schneider   +10 more
wiley   +1 more source

Entdeckung eines antiviralen Elektronentransferprozesses zur Erzeugung katalytisch selbstversorgender viraler Restriktionsfaktoren

Angewandte Chemie, Volume 138, Issue 39, 21 September 2026.
CYB5R3 wird als mutmaßlicher Elektronentransferpartner von Viperin (RSAD2) identifiziert, was erklärt, warum die ER‐Lokalisation für die antivirale Aktivität erforderlich ist. Dieses Wissen ermöglichte die Entwicklung immunstiller, katalytisch selbstversorgender antiviraler Restriktionsfaktor‐Enzyme (iCAREs), die ein antivirales Nukleosidtriphosphat ...
Mengdi Wu, Nghi Thao Hoang, Deborah Grifagni, Meritxell Wu‐Lu, Yujie Sheng, Theo Situmorang, Pei‐Hsin Tai, Zheng Chen, Astrid Maluta, Mohammed Hakil, Bianca Susini, Hannah Florance, Peter‐Leon Hagedoorn, John Mark Sutton, Maria‐Andrea Mroginski, Simone Ciofi‐Baffoni, Kourosh H. Ebrahimi   +16 more
wiley   +1 more source

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Stability in Threshold VAR Models

Studies in Nonlinear Dynamics & Econometrics, 2023
Abstract This paper investigates the stability of threshold autoregressive models. We review recent research on stability issues from both a theoretical and empirical standpoint. We provide a sufficient condition for the stationarity and ergodicity of threshold autoregressive models by applying the concept of joint spectral radius to ...
Chen, Pu, Semmler, Willi
openaire   +1 more source

From VAR models to Structural VAR models

1997
In this chapter we introduce the philosophy, the basic concepts and definitions of VAR analysis (sections 1.1 and 1.2). After that, in section 1.3 we discuss the problems of VAR estimation and in section 1.4 we describe the possible uses of VAR models. Then in section 1.5 we start dealing with Structural VAR analysis, pointing out the main features of ...
Gianni Amisano, Carlo Giannini
openaire   +1 more source

An Evaluation Framework for Alternative VAR Models

Journal of International Money and Finance, 2002
In this paper we investigate the ability of different models to produce useful VaR-estimates for exchange rate positions. We make a distinction between models that include sophisticated tail properties and models that do not. The former type of models often leads to too extreme VaR-estimates, whereas the latter type underestimates the risk in case of ...
Christian C. P. Wolff, Dennis Bams, Thorsten Lehnert   +2 more
openaire   +2 more sources

Structural VAR models in the Frequency Domain

Journal of Econometrics, 2023
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Guay, Alain, Pelgrin, Florian
openaire   +1 more source

Estimation of VAR Models Computational Aspects

Computational Economics, 2003
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Foschi, P., Kontoghiorghes, E. J.
openaire   +3 more sources

Credit VaR Model

2023
Credit value at risk (VaR) is used for measuring and analyzing credit risk of a portfolio. The basic methodology of the Credit VaR employs the credit migration approach spearheaded by RiskMetrics. It assumes that obligor's credit quality is determined by the obligor's asset value, which in turn is approximated by its standardized equity return.
openaire   +1 more source