University of Beira Interior

Loneliness as a Pathway from Social Isolation to Psychological Distress: A Cross-Sectional Mediation Study in Portuguese Adults

Social disconnection has become a public-health concern, but it remains unclear whether mental-health symptoms are more closely related to limited social contact or to the subjective experience of loneliness. This cross-sectional study examined 632 self-selected adults living in...

The Illusion of the Artifact Semiotic Indexation and the Genesis of Production in the Age of Generative Artificial Intelligence

This article proposes an ontological distinction between the human artifact and the output of generative artificial intelligence systems, here designated meta-artifact, shifting the contemporarydebate from Bourdieu’s arbitrary symbolic capital toward the semiotic genesis of produ...

A Reproducible Workflow for AIS-Based ETA Forecasting: Evaluating the Influence of Data Preprocessing and Machine Learning Model Selection

Accurate Estimated Time of Arrival (ETA) forecasting is essential for improving operational planning and decision-making in modern ports. While machine learning has significantly enhanced ETA prediction using Automatic Identification System data, the impact of data preprocessing...

Components of Sustainable Leadership in Universities: Systematic Review of the Literature and Proposal of a Taxonomy

ABSTRACT Universities play a pivotal role in promoting sustainable development by adopting sustainable management practices and preparing future leaders with a focus on sustainability. This study investigates the interplay between sustainable leadership, pro‐environmental behavio...

Waste Literacy Among Portuguese First-Year Tertiary Students After Compulsory Environmental Education

Waste management is essential for addressing local and global environmental challenges. Failure to manage waste effectively results in several consequences, including environmental degradation, public health risks, and economic costs. Besides the need for adequate and up-to-date...

Benchmarking strategic trade-offs: financial and sustainability performance in the Portuguese metal wholesale sector

Purpose This study aims to examine how firms manage competing performance objectives by analysing the trade-offs associated with financial structure, sustainability engagement and export activity. The study explores how strategic decisions intended to improve specific performance...