I am an Assistant Professor of Natural Language Processing (NLP) at the Department of Computer Science and Engineering of the University of Ioannina. My primary research interests lie at the intersection of NLP, Machine Learning, Deep Learning, and Data Science. More specifically, I am interested in how robustness, reasoning, interpretability, and explainability jointly contribute to building trustworthy and reliable models.

I founded BLUAI, a Greek AI company which assists in accelerating AI adoption and incorporating novel NLP technologies. I also co-founded PrimeHost AI, a startup which aims to build an AI superhost for short-term rentals.

Previously, I was a Ph.D. student at École Polytechnique, where I completed my thesis entitled “Novel Representations, Regularization & Distances for Text Classification”, as a member of DaSciM (Data Science and Mining team), under the supervision of Professor Michalis Vazirgiannis. You can also find my defense slides here.

You can download my CV here or browse the online version.

News

• Sep 12, 2026 Best paper at GREEN-AI Workshop, co-located with ECML-PKDD 2026
  Our paper "From Tokens to Watt-hours: Analytical Energy Estimation for LLM Inference on Modern GPUs" got accepted for oral presentation at the GREEN-AI Workshop, co-located with ECML-PKDD 2026, and also got the Best Paper Award! You can check out the paper here.
• Jul 6, 2026 Best paper at SemEval-2026 Task 6, co-located with ACL 2026
  Our paper "A Two-Stage Heterogeneous Ensemble with Deliberative Complexity Gating for Political Evasion Detection" got the best paper award at SemEval-2026 Task 6. You can check out the paper here.
• Apr 6, 2026 GreekMMLU paper accepted at ACL 2026
  Our paper "GreekMMLU: A Native-Sourced Multitask Benchmark for Evaluating Language Models in Greek" got accepted at ACL 2026 Findings. You can check out the paper here.
• Jan 26, 2026 Paper accepted at ICLR 2026
  Our paper "On the Lipschitz Continuity of Set Aggregation Functions and Neural Networks for Sets" has been accepted for publication at ICLR 2026. You can check out the paper here.
• May 25, 2025 LLMs as a Soft Skill
  I gave a presentation on "Using Large Language Models Critically and Effectively as a Soft Skill" at the University of Ioannina. You can find the slides here.

All news »

Education

• Ph.D., École Polytechnique, France (October 2015 - February 2019)
  Thesis: “Novel Representations, Regularization & Distances for Text Classification”
• M.Sc., Master M2 in Mathematics, Vision and Learning (MVA), École Normale Supérieure Paris-Saclay (Cachan), France (2014 - 2015)
• B.Sc. in Computer Science (4-year curriculum), Athens University of Economics and Business, Greece (May 2013)

Contact

Feel free to send me an email to discuss research or to arrange a meeting.

Department of Computer Science and Engineering
University of Ioannina
45110 Ioannina, Greece

• kskianis _at_ cse.uoi.gr
• skianis.konstantinos _at_ gmail.com