Progression of Situation Calculus Action Theories with Incomplete Information. - Stavros Vassos; Hector J. Levesque (IJCAI, 2007)

On the Progression of Situation Calculus Basic Action Theories: Resolving a 10-year-old Conjecture. - Stavros Vassos; Hector J. Levesque (AAAI, 2008)

First-Order Strong Progression for Local-Effect Basic Action Theories. - Stavros Vassos; Gerhard Lakemeyer; Hector J. Levesque (KR, 2008)

A Reasoning Module for Long-lived Cognitive Agents. - Stavros Vassos (2010)

The SimpleFPS Planning Domain: A PDDL Benchmark for Proactive NPCs. - Stavros Vassos; Michail Papakonstantinou (Intelligent Narrative Technologies, 2011)

Action-Based Imperative Programming with YAGI. - Alexander Ferrein; Gerald Steinbauer; Stavros Vassos (CogRob@AAAI, 2012)

Building Virtual Earth Observatories Using Ontologies, Linked Geospatial Data and Knowledge Discovery Algorithms. - Manolis Koubarakis; Michael Sioutis; George Garbis; Manos Karpathiotakis; Kostis Kyzirakos; Charalampos Nikolaou; Konstantina Bereta; Stavros Vassos; Corneliu Octavian Dumitru; Daniela Espinoza-Molina; Katrin Molch; Gottfried Schwarz; et al. (OTM Conferences (2), 2012)

Building Virtual Earth Observatories Using Ontologies and Linked Geospatial Data. - Manolis Koubarakis; Manos Karpathiotakis; Kostis Kyzirakos; Charalampos Nikolaou; Stavros Vassos; George Garbis; Michael Sioutis; Konstantina Bereta; Stefan Manegold; Martin L. Kersten; Milena Ivanova; Holger Pirk; et al. (RR, 2012)

iThink: A Library for Classical Planning in Video-Games. - Vassileios-Marios Anastassiou; Panagiotis Diamantopoulos; Stavros Vassos; Manolis Koubarakis (SETN, 2012)

Reports of the AAAI 2012 Conference Workshops. - Vikas Agrawal; Jorge A. Baier; Kostas E. Bekris; Yiling Chen 001; Artur S. d'Avila Garcez; Pascal Hitzler; Patrik Haslum; Dietmar Jannach; Edith Law; Freddy Lécué; Luís C. Lamb; Cynthia Matuszek; et al. (AI Mag., 2012)

TELEIOS: A Database-Powered Virtual Earth Observatory. - Manolis Koubarakis; Kostis Kyzirakos; Manos Karpathiotakis; Charalampos Nikolaou; Stavros Vassos; George Garbis; Michael Sioutis; Konstantina Bereta; Dimitrios Michail 001; Charalambos Kontoes; Ioannis Papoutsis; Themos Herekakis; et al. (Proc. VLDB Endow., 2012)

Benchmarking smart spaces through autonomous virtual agents. - Mario Caruso; Francesco Leotta; Massimo Mecella; Stavros Vassos (AAMAS, 2013)

Combining deliberation and reactive behavior for AI players in the Mini-Tichu card-game. - Martha Vlachou-Konchylaki; Stavros Vassos (FDG, 2013)

Synthesizing daily life logs through gaming and simulation. - Mario Caruso; Çagri Ilban; Francesco Leotta; Massimo Mecella; Stavros Vassos (UbiComp (Adjunct Publication), 2013)

A Classification of First-Order Progressable Action Theories in Situation Calculus. - Stavros Vassos; Fabio Patrizi (IJCAI, 2013)

Planning with a task modeling framework in manufacturing robotics. - Jacob Huckaby; Stavros Vassos; Henrik I. Christensen (IROS, 2013)

How to progress a database III. - Stavros Vassos; Hector J. Levesque (Artif. Intell., 2013)

Action-based Character AI in Video-games with CogBots Architecture: A Preliminary Report. - Davide Aversa; Stavros Vassos (CoRR, 2013)

Belief-Driven Pathfinding through Personalized Map Abstraction. - Davide Aversa; Stavros Vassos (AIIDE, 2014)

Coordinating Dialogue Systems and Stories through Behavior Composition. - Stefano Cianciulli; Daniele Riccardelli; Stavros Vassos (CGW@ECAI, 2014)

LTL Verification of Online Executions with Sensing in Bounded Situation Calculus. - Giuseppe De Giacomo; Yves Lespérance; Fabio Patrizi; Stavros Vassos (ECAI, 2014)

Action Theories over Generalized Databases with Equality Constraints. - Fabio Patrizi; Stavros Vassos (JELIA, 2014)

Transforming Situation Calculus Action Theories for Optimised Reasoning. - Christopher James Ewin; Adrian R. Pearce; Stavros Vassos (KR, 2014)

Action Theories over Generalized Databases with Equality Constraints (Extended Abstract). - Fabio Patrizi; Stavros Vassos (KR, 2014)

Story Generation in PDDL Using Character Moods: A Case Study on Iliad's First Book. - Andrea Marrella; Stavros Vassos (SETN, 2014)

Flexible Behavior for Worker Units in Real-Time Strategy Games Using STRIPS Planning. - Ioannis Vlachopoulos; Stavros Vassos; Manolis Koubarakis (SETN, 2014)

Towards a Novel Method for Architectural Design through μ-Concepts and Computational Intelligence. - Nikolaos Vlavianos; Stavros Vassos; Takehiko Nagakura (AIDE@AI*IA, 2015)

Path Planning with Inventory-Driven Jump-Point-Search. - Davide Aversa; Sebastian Sardiña; Stavros Vassos (AIIDE, 2015)

Collecting Human Habit Datasets for Smart Spaces Through Gamification and Crowdsourcing. - Giovanni Cucari; Francesco Leotta; Massimo Mecella; Stavros Vassos (GALA, 2015)

Optimizing Long-Running Action Histories in the Situation Calculus Through Search. - Christopher James Ewin; Adrian R. Pearce; Stavros Vassos (PRIMA, 2015)

Service Composition with PDDL Representations and Visualization over Videogame Engines (Short Paper). - Giuseppe De Giacomo; Valsamis Ntouskos; Fabio Patrizi; Stavros Vassos; Davide Aversa (SOCA, 2015)

Touching Notes: A Gesture-Based Game for Teaching Music to Children. - Manuela Renzi; Stavros Vassos; Tiziana Catarci; Stephen Kimani (TEI, 2015)

Pruning and preprocessing methods for inventory-aware pathfinding. - Davide Aversa; Sebastian Sardiña; Stavros Vassos (CIG, 2016)

Art-Bots: Toward Chat-Based Conversational Experiences in Museums. - Stavros Vassos; Eirini Malliaraki; Federica dal Falco; Jessica Di Maggio; Manlio Massimetti; Maria Giulia Nocentini; Angela Testa (ICIDS, 2016)

Controlling Logistics Robots with the Action-Based Language YAGI. - Alexander Ferrein; Christopher Maier; Clemens Mühlbacher; Tim Niemueller; Gerald Steinbauer; Stavros Vassos (ICIRA (1), 2016)

Ideas matchmaking for supporting innovators and entrepreneurs. - Francesco Leotta; Massimo Mecella; Stavros Vassos (DDI@WebSci, 2016)

Progression and Verification of Situation Calculus Agents with Bounded Beliefs. - Giuseppe De Giacomo; Yves Lespérance; Fabio Patrizi; Stavros Vassos (Stud Logica, 2016)

Accessing Government Open Data Through Chatbots. - Simone Porreca; Francesco Leotta; Massimo Mecella; Stavros Vassos; Tiziana Catarci (ICWE Workshops, 2017)

Transformation through Provocation? - Maria Roussou; Sara Perry; Akrivi Katifori; Stavros Vassos; Angeliki Tzouganatou; Sierra McKinney (CHI, 2019)

Cache me if you Can: an Online Cost-aware Teacher-Student framework to Reduce the Calls to Large Language Models. - Ilias Stogiannidis; Stavros Vassos; Prodromos Malakasiotis; Ion Androutsopoulos (EMNLP (Findings), 2023)

Making LLMs Worth Every Penny: Resource-Limited Text Classification in Banking. - Lefteris Loukas; Ilias Stogiannidis; Odysseas Diamantopoulos; Prodromos Malakasiotis; Stavros Vassos (ICAIF, 2023)

Breaking the Bank with ChatGPT: Few-Shot Text Classification for Finance. - Lefteris Loukas; Ilias Stogiannidis; Prodromos Malakasiotis; Stavros Vassos (CoRR, 2023)

Still All Greeklish to Me: Greeklish to Greek Transliteration. - Anastasios Toumazatos; John Pavlopoulos; Ion Androutsopoulos; Stavros Vassos (LREC/COLING, 2024)

Now I know! Empowering Voters with RAG-enabled LLMs to Eliminate Political Uncertainty. - Stavros Vassos; Stratos Goudelis; Dimi Balaouras; Giannis Vitalis; Vasilis Nakos; Glykeria Pigka; Loukia Tsagkli; Menia Hatzikou; Zachos Tsionas; Alexandros Chasanis; Stan van de Burgt; Mark Pors; et al. (SETN, 2024)

GR-NLP-TOOLKIT: An Open-Source NLP Toolkit for Modern Greek. - Lefteris Loukas; Nikolaos Smyrnioudis; Chrysa Dikonomaki; Spyros Barbakos; Anastasios Toumazatos; John Koutsikakis; Manolis Kyriakakis; Mary Georgiou; Stavros Vassos; John Pavlopoulos; Ion Androutsopoulos (COLING (Demonstrations), 2025)