Athens University of Economics and Business

URL Rot in Software Engineering Scholarly Works

Context: Citations play an important role in scholarly publishing. They increasingly reference Web-based resources via Uniform Resource Locators (URLs). However, URLs are prone to decay over time, threatening the value and integrity of scientific works. Objective: We investigate...

Dynamic defense strategies for cyber-physical systems using Stackelberg games and deep reinforcement learning in discrete and continuous time

Abstract As cyber threats to power grid infrastructures escalate, the urgency of understanding how to protect cyber-physical systems (CPS) has never been greater. These systems, which integrate physical processes with digital control, are increasingly susceptible to sophisticated...

Talent mobility barriers as institutional shocks: strategic adaptation of Indian multinationals to US Immigration policy reform

Purpose This study aims to investigate the international implications of the 2025 US H-1B visa reform, which introduced an unprecedented US$100,000 application fee for new petitions. Conceptualizing immigration policy as a Talent Mobility Barrier (TMB), this research examines how...

Paging Dr. Patient: a diagnosis of Greek public hospitals through sentiment analysis

PURPOSE: We examine the topics and the dimensions of patient satisfaction and their implications for Greek public hospitals. DESIGN/METHODOLOGY/APPROACH: We measure patient satisfaction through the sentiment analysis of the relative ratings and commendation submitted to Google re...