All Stories

  1. A Comprehensive Survey and Taxonomy of Cybersecurity Challenges and Proactive Measures for IoD

    Article • ACM Computing Surveys, December 2025, ACM (Association for Computing Machinery)

    Theodora Tsikrika, Ioannis Kompatsiaris

  2. Enhanced real-time motion transfer to 3D avatars using RGB-based human 3D pose estimation

    Article • June 2024, ACM (Association for Computing Machinery)

    Sotiris Diplaris, Ioannis Kompatsiaris, Ilias Poulios

  3. 3DMSE: An Interactive 3D Media Search Engine

    Article • May 2024, ACM (Association for Computing Machinery)

    Sotiris Diplaris, Ioannis Kompatsiaris

  4. Improving Synthetically Generated Image Detection in Cross-Concept Settings

    Article • June 2023, ACM (Association for Computing Machinery)

    Symeon Papadopoulos, Giorgos Kordopatis-Zilos, Ioannis Kompatsiaris

  5. Tweaking EfficientDet for frugal training

    Article • June 2023, ACM (Association for Computing Machinery)

    Ioannis Kompatsiaris

  6. MuseHash: Supervised Bayesian Hashing for Multimodal Image Representation

    Article • June 2023, ACM (Association for Computing Machinery)

    Ioannis Kompatsiaris

  7. Identification of Key Actor Nodes: A Centrality Measure Ranking Aggregation Approach

    Article • November 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Andreas Kosmatopoulos, Theodora Tsikrika, Ioannis Kompatsiaris

  8. A survey for image based methods in construction: from images to digital twins

    Article • September 2022, ACM (Association for Computing Machinery)

    Ioannis Kompatsiaris

  9. Sentiment analysis on 2D images of urban and indoor spaces using deep learning architectures

    Article • September 2022, ACM (Association for Computing Machinery)

    Sotiris Diplaris, Ioannis Kompatsiaris

  10. BiasUNet: Learning Change Detection over Sentinel-2 Image Pairs

    Article • September 2022, ACM (Association for Computing Machinery)

    Ioannis Kompatsiaris

  11. Novel Paradigms of Human-Fashion Interaction

    Article • September 2022, ACM (Association for Computing Machinery)

    Symeon Papadopoulos, Ioannis Kompatsiaris, Anastasios Papazoglou Chalikias

  12. Ontology-based Modelling and Reasoning for Forest Fire Emergencies in Resilient Societies

    Article • September 2022, ACM (Association for Computing Machinery)

    Ioannis Kompatsiaris, Panagiota Masa, Georgios Meditskos

  13. Web Bot Detection Evasion Using Deep Reinforcement Learning

    Article • August 2022, ACM (Association for Computing Machinery)

    Theodora Tsikrika, Ioannis Kompatsiaris

  14. The MeVer DeepFake Detection Service: Lessons Learnt from Developing and Deploying in the Wild

    Article • June 2022, ACM (Association for Computing Machinery)

    Ioannis Kompatsiaris, Symeon Papadopoulos

  15. Automatic Visual Recognition of Unexploded Ordnances Using Supervised Deep Learning

    Article • June 2022, ACM (Association for Computing Machinery)

    Ioannis Kompatsiaris, Theodora Tsikrika

  16. From Sensable to Sensible Spaces: Enhancing the Sensibility of a Home Office using Stress-Aware Deep Reinforcement Learning in Virtual Environments

    Article • April 2022, ACM (Association for Computing Machinery)

    Ioannis Kompatsiaris

  17. Detection of Advanced Web Bots by Combining Web Logs with Mouse Behavioural Biometrics

    Article • Digital Threats Research and Practice, September 2021, ACM (Association for Computing Machinery)

    Theodora Tsikrika, Ioannis Kompatsiaris

  18. Random-Walk Graph Embeddings and the Influence of Edge Weighting Strategies in Community Detection Tasks

    Article • August 2021, ACM (Association for Computing Machinery)

    Theodora Tsikrika, Ioannis Kompatsiaris, Andreas Kosmatopoulos

  19. Leveraging EfficientNet and Contrastive Learning for Accurate Global-scale Location Estimation

    Article • August 2021, ACM (Association for Computing Machinery)

    Symeon Papadopoulos, Ioannis Kompatsiaris

  20. Spatio-Temporal Activity Detection and Recognition in Untrimmed Surveillance Videos

    Article • August 2021, ACM (Association for Computing Machinery)

    Theodora Tsikrika, Ioannis Kompatsiaris

  21. Products-6K: A Large-Scale Groceries Product Recognition Dataset

    Article • June 2021, ACM (Association for Computing Machinery)

    Symeon Papadopoulos, Ioannis Kompatsiaris

  22. Stopping Personalized PageRank without an Error Tolerance Parameter

    Article • December 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Ioannis Kompatsiaris

  23. Multimodal Social Media Mining

    Article • October 2020, ACM (Association for Computing Machinery)

    Ioannis Kompatsiaris

  24. MuSe 2020 Challenge and Workshop

    Article • October 2020, ACM (Association for Computing Machinery)

    Professor Dr Björn W Schuller, Ioannis Kompatsiaris

  25. Summary of MuSe 2020

    Article • October 2020, ACM (Association for Computing Machinery)

    Ioannis Kompatsiaris

  26. User Identity Linkage in Social Media Using Linguistic and Social Interaction Features

    Article • July 2020, ACM (Association for Computing Machinery)

    Ioannis Kompatsiaris, Theodora Tsikrika

  27. A Crowd Analysis Framework for Detecting Violence Scenes

    Article • June 2020, ACM (Association for Computing Machinery)

    Theodora Tsikrika, Ioannis Kompatsiaris

  28. Smart Discovery of Cultural and Natural Tourist Routes

    Article • October 2019, ACM (Association for Computing Machinery)

    Sotiris Diplaris, Ioannis Kompatsiaris

  29. Deploying Semantic Web Technologies for Information Fusion of Terrorism-related Content and Threat Detection on the Web

    Article • October 2019, ACM (Association for Computing Machinery)

    Theodora Tsikrika, Ioannis Kompatsiaris

  30. Social media monitoring tools for air quality accounts

    Article • October 2019, ACM (Association for Computing Machinery)

    Symeon Papadopoulos, Ioannis Kompatsiaris

  31. Towards a framework for detecting advanced Web bots

    Article • August 2019, ACM (Association for Computing Machinery)

    Theodora Tsikrika, Ioannis Kompatsiaris

  32. An easy-to-use information extraction framework for constructing CSR databases from the Web

    Article • ACM Transactions on Internet Technology, November 2018, ACM (Association for Computing Machinery)

    Richard Mills, Symeon Papadopoulos, Sotiris Diplaris, Mrs Vasiliki Gkatziaki, Ioannis Kompatsiaris

  33. Location Extraction from Social Media

    Article • ACM Transactions on Information Systems, October 2018, ACM (Association for Computing Machinery)

    Symeon Papadopoulos, Ioannis Kompatsiaris

  34. A Probabilistic, Ontological Framework for Safeguarding the Intangible Cultural Heritage

    Article • Journal on Computing and Cultural Heritage, August 2018, ACM (Association for Computing Machinery)

    Ioannis Kompatsiaris

  35. Deep Learning Advances in Computer Vision with 3D Data

    Article • ACM Computing Surveys, March 2018, ACM (Association for Computing Machinery)

    Ioannis Kompatsiaris

  36. Flood Relevance Estimation from Visual and Textual Content in Social Media Streams

    Article • January 2018, ACM (Association for Computing Machinery)

    Ioannis Kompatsiaris

  37. Adaptive Sensitive Reweighting to Mitigate Bias in Fairness-aware Classification

    Article • January 2018, ACM (Association for Computing Machinery)

    Symeon Papadopoulos, Ioannis Kompatsiaris

  38. Learning to Detect Misleading Content on Twitter

    Article • June 2017, ACM (Association for Computing Machinery)

    Ioannis Kompatsiaris

  39. Multimedia Privacy

    Article • October 2016, ACM (Association for Computing Machinery)

    Ioannis Kompatsiaris

  40. Multimodal Event Detection and Summarization in Large Scale Image Collections

    Article • June 2016, ACM (Association for Computing Machinery)

    Ioannis Kompatsiaris

  41. Retrieval of Multimedia Objects by Fusing Multiple Modalities

    Article • June 2016, ACM (Association for Computing Machinery)

    Theodora Tsikrika, Ioannis Kompatsiaris

  42. Personalized Privacy-aware Image Classification

    Article • June 2016, ACM (Association for Computing Machinery)

    Ioannis Kompatsiaris

  43. Multimodal Graph-based Event Detection and Summarization in Social Media Streams

    Article • October 2015, ACM (Association for Computing Machinery)

    Ioannis Kompatsiaris

  44. Social Circle Discovery in Ego-Networks by Mining the Latent Structure of User Connections and Profile Attributes

    Article • August 2015, ACM (Association for Computing Machinery)

    Ioannis Kompatsiaris, Symeon Papadopoulos

  45. Improving Diversity in Image Search via Supervised Relevance Scoring

    Article • June 2015, ACM (Association for Computing Machinery)

    Ioannis Kompatsiaris, Symeon Papadopoulos

  46. Visual Event Summarization on Social Media using Topic Modelling and Graph-based Ranking Algorithms

    Article • June 2015, ACM (Association for Computing Machinery)

    Ioannis Kompatsiaris, Symeon Papadopoulos

  47. Challenges of computational verification in social multimedia

    Article • January 2014, ACM (Association for Computing Machinery)

    Symeon Papadopoulos, Ioannis Kompatsiaris

  48. ImproveMyCity

    Article • October 2013, ACM (Association for Computing Machinery)

    Ioannis Kompatsiaris, Professor Nicos Komninos

  49. Improving event detection using related videos and relevance degree support vector machines

    Article • October 2013, ACM (Association for Computing Machinery)

    Ioannis Kompatsiaris

  50. Scalable training with approximate incremental laplacian eigenmaps and PCA

    Article • October 2013, ACM (Association for Computing Machinery)

    Symeon Papadopoulos, Ioannis Kompatsiaris

  51. Multi-modal region selection approach for training object detectors

    Article • June 2012, ACM (Association for Computing Machinery)

    Ioannis Kompatsiaris

  52. Cluster-based photo browsing and tagging on the go

    Article • June 2012, ACM (Association for Computing Machinery)

    Symeon Papadopoulos, Ioannis Kompatsiaris

  53. Social event detection using multimodal clustering and integrating supervisory signals

    Article • June 2012, ACM (Association for Computing Machinery)

    Ioannis Kompatsiaris

  54. An eye-tracking-based approach to facilitate interactive video search

    Article • April 2011, ACM (Association for Computing Machinery)

    Ioannis Kompatsiaris

  55. High-level event detection system based on discriminant visual concepts

    Article • April 2011, ACM (Association for Computing Machinery)

    Ioannis Kompatsiaris

  56. City exploration by use of spatio-temporal analysis and clustering of user contributed photos

    Article • April 2011, ACM (Association for Computing Machinery)

    Symeon Papadopoulos, Ioannis Kompatsiaris