collaborators

5 papers

cs.AI2026

Context-Enriched Natural Language Descriptions of Vessel Trajectories

Kostas Patroumpas, Alexandros Troupiotis-Kapeliaris, Giannis Spiliopoulos +4

We address the problem of transforming raw vessel trajectory data collected from AIS into structured and semantically enriched representations interpretable by humans and directly…

cs.DB2026

Human-Data Interaction, Exploration, and Visualization in the AI Era: Challenges and Opportunities

Jean-Daniel Fekete, Yifan Hu, Dominik Moritz +8

The rapid advancement of AI is transforming human-centered systems, with profound implications for human-AI interaction, human-data interaction, and visual analytics. In the AI era…

cs.DB2026

Data-Driven Trajectory Imputation for Vessel Mobility Analysis

Giannis Spiliopoulos, Alexandros Troupiotis-Kapeliaris, Kostas Patroumpas +4

Modeling vessel activity at sea is critical for a wide range of applications, including route planning, transportation logistics, maritime safety, and environmental monitoring. Ove…

cs.DB2025

Adaptive Indexing for Approximate Query Processing in Exploratory Data Analysis

Stavros Maroulis, Nikos Bikakis, Vassilis Stamatopoulos +1

Minimizing data-to-analysis time while enabling real-time interaction and efficient analytical computations on large datasets are fundamental objectives of contemporary exploratory…

cs.DB2025

Visual Analytics Challenges and Trends in the Age of AI: The BigVis Community Perspective

Nikos Bikakis, Panos K. Chrysanthis, Guoliang Li +2

This report provides insights into the challenges, emerging topics, and opportunities related to human-data interaction and visual analytics in the AI era. The BigVis 2024 organizi…