activity
20212026
most citedThe Hidden Cost of Using Amazon Mechanical Turk for Research

27 citations · 59 across the 9 of their papers we have counts for

collaborators

9 papers

cs.AI2026

Three Roles, One Model: Role Orchestration at Inference Time to Close the Performance Gap Between Small and Large Agents

S. Aaron McClendon, Jorge Gallego-Feliciano, Stavros Zervoudakis +1

Large language model (LLM) agents show promise on realistic tool-use tasks, but deploying capable agents on modest hardware remains challenging. We study whether inference-time sca…

cs.SE2026

The Opaque Pointer Design Pattern in Python: Towards a Pythonic PIMPL for Modularity, Encapsulation, and Stability

Antonios Saravanos, John Pazarzis, Stavros Zervoudakis +1

Python libraries often need to maintain a stable public API even as internal implementations evolve, gain new backends, or depend on heavy optional libraries. In Python, where inte…

cs.AI2025

Hidden Dynamics of Massive Activations in Transformer Training

Jorge Gallego-Feliciano, S. Aaron McClendon, Juan Morinelli +2

We present the first comprehensive analysis of massive activation development throughout transformer training, using the Pythia model family as our testbed, and release our full da…

cs.CR2022

Reputation, Risk, and Trust on User Adoption of Internet Search Engines: The Case of DuckDuckGo

Antonios Saravanos, Stavros Zervoudakis, Dongnanzi Zheng +7

This paper investigates the determinants of end-user adoption of the DuckDuckGo search engine coupling the standard UTAUT model with factors to reflect reputation, risk, and trust.…

cs.CY2022★ 12 cited

Investigating End-user Acceptance of Last-mile Delivery by Autonomous Vehicles in the United States

Antonios Saravanos, Olivia Verni, Ian Moore +7

This paper investigates the end-user acceptance of last-mile delivery carried out by autonomous vehicles within the United States. A total of 296 participants were presented with i…

cs.CY2022★ 18 cited

Extending the Technology Acceptance Model 3 to Incorporate the Phenomenon of Warm-Glow

Antonios Saravanos, Stavros Zervoudakis, Dongnanzi Zheng

In this paper, we extend the third evolution of the Technology Acceptance Model (TAM3) to incorporate warm-glow with the aim of understanding the role this phenomenon plays on user…

cs.CY2022★ 2 cited

Measuring Consumer Perceived Warm-Glow for Technology Adoption Modeling

Antonios Saravanos, Dongnanzi Zheng, Stavros Zervoudakis

In this paper, we adapt and validate two constructs-perceived extrinsic warm-glow (PEWG) and perceived intrinsic warm-glow (PIWG)-to measure the two dimensions of consumer perceive…

cs.CR2021

Exploring the Effect of Resolution on the Usability of Locimetric Authentication

Antonios Saravanos, Dongnanzi Zheng, Stavros Zervoudakis +1

Locimetric authentication is a form of graphical authentication in which users validate their identity by selecting predetermined points on a predetermined image. Its primary advan…

cs.HC2021★ 27 cited

The Hidden Cost of Using Amazon Mechanical Turk for Research

Antonios Saravanos, Stavros Zervoudakis, Dongnanzi Zheng +3

In this study, we investigate the attentiveness exhibited by participants sourced through Amazon Mechanical Turk (MTurk), thereby discovering a significant level of inattentiveness…