Search Results for author: Evangelos Pournaras

Found 14 papers, 2 papers with code

Generative AI Voting: Fair Collective Choice is Resilient to LLM Biases and Inconsistencies

no code implementations31 May 2024 Srijoni Majumdar, Edith Elkind, Evangelos Pournaras

Scaling up deliberative and voting participation is a longstanding endeavor -- a cornerstone for direct democracy and legitimate collective choice.

Short vs. Long-term Coordination of Drones: When Distributed Optimization Meets Deep Reinforcement Learning

no code implementations16 Nov 2023 Chuhao Qin, Evangelos Pournaras

Swarms of autonomous interactive drones, with the support of recharging technology, can provide compelling sensing capabilities in Smart Cities, such as traffic monitoring and disaster response.

Decision Making Disaster Response +3

Science in the Era of ChatGPT, Large Language Models and Generative AI: Challenges for Research Ethics and How to Respond

no code implementations24 May 2023 Evangelos Pournaras

Large language models of artificial intelligence (AI), such as ChatGPT, find remarkable but controversial applicability in science and research.


Crowd Sensing and Living Lab Outdoor Experimentation Made Easy

no code implementations8 Jul 2021 Evangelos Pournaras, Atif Nabi Ghulam, Renato Kunz, Regula Hänggli

Living lab outdoor experimentation using pervasive computing provides new opportunities: higher realism, external validity and socio-spatio-temporal observations in large scale.

Causal Inference

Mobile Link Prediction: Automated Creation and Crowd-sourced Validation of Knowledge Graphs

no code implementations30 Jun 2020 Mark Christopher Ballandies, Evangelos Pournaras

The accuracy, practicality, and usability of the knowledge graph builder is evaluated in a real-world social experiment that involves a smartphone implementation and a Smart City application scenario.

Knowledge Graphs Link Prediction

How Value-Sensitive Design Can Empower Sustainable Consumption

no code implementations20 Apr 2020 Thomas Asikis, Johannes Klinglmayr, Dirk Helbing, Evangelos Pournaras

In a so-called overpopulated world, sustainable consumption is of existential importance. However, the expanding spectrum of product choices and their production complexity challenge consumers to make informed and value-sensitive decisions.

Decentralized Optimization of Vehicle Route Planning -- A Cross-City Comparative Study

no code implementations10 Jan 2020 Brionna Davis, Grace Jennings, Taylor Pothast, Ilias Gerostathopoulos, Evangelos Pournaras, Raphael E. Stern

Specifically, this study compares the effects of different underlying urban structures on the overall network performance, and investigates which characteristics of the network make it possible to realize routing improvements using a decentralized optimization router.

Autonomous Vehicles

On Cycling Risk and Discomfort: Urban Safety Mapping and Bike Route Recommendations

no code implementations16 May 2019 David Castells-Graells, Christopher Salahub, Evangelos Pournaras

They can also improve the risk awareness of existing cyclists' as well as support new cyclists, such as tourists, to safely explore a new urban environment by bike.

Structural Self-adaptation for Decentralized Pervasive Intelligence

no code implementations21 Apr 2019 Jovan Nikolic, Evangelos Pournaras

Structural self-adaptation, by means of self-organization, changes the order as well as the input information of the agents' collective decision-making.

Combinatorial Optimization Decision Making

Privacy-enhancing Aggregation of Internet of Things Data via Sensors Grouping

1 code implementation28 Feb 2017 Stefano Bennati, Evangelos Pournaras

A baseline scenario is considered in which IoT sensor data are shared directly with an untrustworthy central aggregator.

Distributed, Parallel, and Cluster Computing

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