Stefanos Vrochidis

Orcid: 0000-0002-2505-9178

According to our database1, Stefanos Vrochidis authored at least 315 papers between 2006 and 2025.

Collaborative distances:

Timeline

Legend:

Book 
In proceedings 
Article 
PhD thesis 
Dataset
Other 

Links

Online presence:

On csauthors.net:

Bibliography

2025
Artificial disfluency detection, uh no, disfluency generation for the masses.
Comput. Speech Lang., 2025

2024
Improving time and energy efficiency in multi-UAV coverage operations by optimizing the UAVs' initial positions.
Int. J. Intell. Robotics Appl., September, 2024

From Research to Applications: What Can We Extract with Social Media Sensing?
SN Comput. Sci., June, 2024

FIWARE-Compatible Smart Data Models for Satellite Imagery and Flood Risk Assessment to Enhance Data Management.
Inf., May, 2024

Overcome the Fear Of Missing Out: Active sensing UAV scanning for precision agriculture.
Robotics Auton. Syst., February, 2024

Novel Framework for Quality Control in Vibration Monitoring of CNC Machining.
Sensors, 2024

XR4DRAMA a knowledge-based system for disaster management and media planning.
Knowl. Eng. Rev., 2024

Applied logic and semantics on indoor and urban adaptive design through knowledge graphs, reasoning and explainable argumentation.
Knowl. Eng. Rev., 2024

A Multi-Task Text Classification Pipeline with Natural Language Explanations: A User-Centric Evaluation in Sentiment Analysis and Offensive Language Identification in Greek Tweets.
CoRR, 2024

Evaluating Performance and Trends in Interactive Video Retrieval: Insights From the 12th VBS Competition.
IEEE Access, 2024

Towards AI-Driven Prediction of Terrorism Risk Based on the Analysis of Localized Web News.
IEEE Access, 2024

Enhanced real-time motion transfer to 3D avatars using RGB-based human 3D pose estimation.
Proceedings of the 2024 ACM International Conference on Interactive Media Experiences, 2024

A Framework for 3D Modeling of Construction Sites Using Aerial Imagery and Semantic NeRFs.
Proceedings of the MultiMedia Modeling - 30th International Conference, 2024

Time-Quality Tradeoff of MuseHash Query Processing Performance.
Proceedings of the MultiMedia Modeling - 30th International Conference, 2024

Multimodal 3D Object Retrieval.
Proceedings of the MultiMedia Modeling - 30th International Conference, 2024


3DMSE: An Interactive 3D Media Search Engine.
Proceedings of the 2024 International Conference on Multimedia Retrieval, 2024

Multimedia Retrieval in and for XR.
Proceedings of the 2024 International Conference on Multimedia Retrieval, 2024

MUDDAT: A Sentinel-2 Image-Based Muddy Water Benchmark Dataset for Environmental Monitoring.
Proceedings of the IGARSS 2024, 2024

Incorporating Social Media Sensing and Computer Vision Technologies to Support Wildfire Monitoring.
Proceedings of the IGARSS 2024, 2024

Semantic Modelling for Representation and Integration of Health Data from Wearable Devices.
Proceedings of the Artificial Intelligence Applications and Innovations, 2024

Towards Semantically Conscious, Conversation-Based Chatbot Services for Migrants.
Proceedings of the Artificial Intelligence Applications and Innovations, 2024

Bias Detection and Mitigation in Textual Data: A Study on Fake News and Hate Speech Detection.
Proceedings of the Advances in Information Retrieval, 2024

An End-to-End Framework for Cybersecurity Taxonomy and Ontology Generation and Updating.
Proceedings of the IEEE International Conference on Cyber Security and Resilience, 2024

2023
Report on the 14th Conference and Labs of the Evaluation Forum (CLEF 2023): Experimental IR Meets Multilinguality, Multimodality, and Interaction.
SIGIR Forum, December, 2023

Fusion of Environmental Sensors for Occupancy Detection in a Real Construction Site.
Sensors, December, 2023

Interactive video retrieval in the age of effective joint embedding deep models: lessons from the 11th VBS.
Multim. Syst., December, 2023

CoFly: An automated, AI-based open-source platform for UAV precision agriculture applications.
SoftwareX, July, 2023



V4Design: Intelligent Analysis and Integration of Multimedia Content for Creative Industries.
IEEE Syst. J., June, 2023

A Query Expansion Benchmark on Social Media Information Retrieval: Which Methodology Performs Best and Aligns with Semantics?
Comput., June, 2023

Mobile App Interventions for Parkinson's Disease, Multiple Sclerosis and Stroke: A Systematic Literature Review.
Sensors, April, 2023

Flood-Related Multimedia Benchmark Evaluation: Challenges, Results and a Novel GNN Approach.
Sensors, April, 2023

End-to-end Precision Agriculture UAV-Based Functionalities Tailored to Field Characteristics.
J. Intell. Robotic Syst., February, 2023

Artistic neural style transfer using CycleGAN and FABEMD by adaptive information selection.
Pattern Recognit. Lett., January, 2023

Multi-Sensors for Human Activity Recognition.
Sensors, 2023

Assessing Virtual Reality Spaces for Elders Using Image-Based Sentiment Analysis and Stress Level Detection.
Sensors, 2023

Deep Explainability: Spin-Geometrical Neural Meta-Structures.
CoRR, 2023

An Explainable Intervention Prediction for Trauma Patients.
Proceedings of the 14th International Conference on Semantic Web Applications and Tools for Health Care and Life Sciences (SWAT4HCLS 2023), 2023

XR4DRAMA Knowledge Graph: A Knowledge Graph for Disaster Management.
Proceedings of the 17th IEEE International Conference on Semantic Computing, 2023

Graph-Based Data Association in Multiple Object Tracking: A Survey.
Proceedings of the MultiMedia Modeling - 29th International Conference, 2023


Fusion of Multiple Classifiers Using Self Supervised Learning for Satellite Image Change Detection.
Proceedings of the MultiMedia Modeling - 29th International Conference, 2023

Comparison of Deep Learning Techniques for Video-Based Automatic Recognition of Greek Folk Dances.
Proceedings of the MultiMedia Modeling - 29th International Conference, 2023

Low-Light Image Enhancement Based on U-Net and Haar Wavelet Pooling.
Proceedings of the MultiMedia Modeling - 29th International Conference, 2023

MuseHash: Supervised Bayesian Hashing for Multimodal Image Representation.
Proceedings of the 2023 ACM International Conference on Multimedia Retrieval, 2023

Tweaking EfficientDet for frugal training.
Proceedings of the 2023 ACM International Conference on Multimedia Retrieval, 2023

Towards a Framework for Seismic Data.
Proceedings of the Knowledge Graphs and Semantic Web, 2023

An Ontology-Based Framework for Sports Media Data Interpretation.
Proceedings of the 14th International Conference on Information, 2023

Ince-PD Model for Parkinson's Disease Prediction Using MDS-UPDRS I & II and PDQ-8 Score.
Proceedings of the Artificial Intelligence Applications and Innovations, 2023

Towards Knowledge Graph Creation from Greek Governmental Documents.
Proceedings of the Advances and Trends in Artificial Intelligence. Theory and Applications, 2023

Forecasting Cyber-Attacks to Destination Ports Using Machine Learning.
Proceedings of the 9th International Conference on Information Systems Security and Privacy, 2023

Response Time Improvement in Medical Emergency Departments Through Evolutionary Optimization.
Proceedings of the Healthcare Transformation with Informatics and Artificial Intelligence, 2023

XR4DRAMA Knowledge Graph: A Knowledge Graph for Media Planning.
Proceedings of the 15th International Conference on Agents and Artificial Intelligence, 2023

The MindSpaces Knowledge Graph: Applied Logic and Semantics on Indoor and Urban Adaptive Design.
Proceedings of the 15th International Conference on Agents and Artificial Intelligence, 2023

Domain-Aligned Data Augmentation for Low-Resource and Imbalanced Text Classification.
Proceedings of the Advances in Information Retrieval, 2023

Trend Detection in Crime-Related Time Series with Change Point Detection Methods.
Proceedings of the Experimental IR Meets Multilinguality, Multimodality, and Interaction, 2023

Neural Crystals.
Proceedings of the IEEE International Conference on Big Data, 2023

2022
A tempοral Deep Convolutional Neural Network model on Sentinel-1 Image Time Series for pixel-wise Flood Classification (dataset).
Dataset, May, 2022

Graph Theoretical Analysis of EEG Functional Connectivity Patterns and Fusion with Physiological Signals for Emotion Recognition.
Sensors, 2022

A Review of Multisensor Data Fusion Solutions in Smart Manufacturing: Systems and Trends.
Sensors, 2022

Multimodal Fusion of Sentinel 1 Images and Social Media Data for Snow Depth Estimation.
IEEE Geosci. Remote. Sens. Lett., 2022

Earthquakes: From Twitter Detection to EO Data Processing.
IEEE Geosci. Remote. Sens. Lett., 2022

Interactive video retrieval evaluation at a distance: comparing sixteen interactive video search systems in a remote setting at the 10th Video Browser Showdown.
Int. J. Multim. Inf. Retr., 2022

Ontology-Based Personalized Job Recommendation Framework for Migrants and Refugees.
Big Data Cogn. Comput., 2022

M4D-MKLab/ITI-CERTH Participation in TREC Deep Learning Track 2022.
Proceedings of the Thirty-First Text REtrieval Conference, 2022

Social Media and Web Sensing with Semantic Integration on the Refugee Crisis.
Proceedings of the 17th International Workshop on Semantic and Social Media Adaptation & Personalization, 2022

Ontology-based Modelling and Reasoning for Forest Fire Emergencies in Resilient Societies.
Proceedings of the SETN 2022: 12th Hellenic Conference on Artificial Intelligence, Corfu, Greece, September 7, 2022

Selective Word Substitution for Contextualized Data Augmentation.
Proceedings of the Natural Language Processing and Information Systems, 2022

Human Activity Recognition with IMU and Vital Signs Feature Fusion.
Proceedings of the MultiMedia Modeling - 28th International Conference, 2022

A Task Category Space for User-Centric Comparative Multimedia Search Evaluations.
Proceedings of the MultiMedia Modeling - 28th International Conference, 2022

Parallel DBSCAN-Martingale Estimation of the Number of Concepts for Automatic Satellite Image Clustering.
Proceedings of the MultiMedia Modeling - 28th International Conference, 2022


Automatic Visual Recognition of Unexploded Ordnances Using Supervised Deep Learning.
Proceedings of the ICMR '22: International Conference on Multimedia Retrieval, Newark, NJ, USA, June 27, 2022

DisasterMM: Multimedia Analysis of Disaster-Related Social Media Data Task at MediaEval 2022.
Proceedings of the Working Notes Proceedings of the MediaEval 2022 Workshop, 2022

LARD: Large-scale Artificial Disfluency Generation.
Proceedings of the Thirteenth Language Resources and Evaluation Conference, 2022

BiasHash: A Bayesian Hashing Framework for Image Retrieval.
Proceedings of the 14th IEEE Image, Video, and Multidimensional Signal Processing Workshop, 2022

SPARQL querying for validating the usage of automatically georeferenced social media data as human sensors for air quality.
Proceedings of the 14th IEEE Image, Video, and Multidimensional Signal Processing Workshop, 2022

Real-time Alert Framework for Fire Incidents Using Multimodal Event Detection on Social Media Streams.
Proceedings of the 19th International Conference on Information Systems for Crisis Response and Management, 2022

Social Media and Web Sensing on Interior and Urban Design.
Proceedings of the IEEE Symposium on Computers and Communications, 2022

Water quality issues: Can we detect a creeping crisis with social media data?
Proceedings of the IEEE Symposium on Computers and Communications, 2022

Multimodal Data Collection System for UAV-based Precision Agriculture Applications.
Proceedings of the Sixth IEEE International Conference on Robotic Computing, 2022

Vehicle Color Identification Framework using Pixel-level Color Estimation from Segmentation Masks of Car Parts.
Proceedings of the 5th IEEE International Conference on Image Processing Applications and Systems, 2022

E-Tracer: A Smart, Personalized and Immersive Digital Tourist Software System.
Proceedings of the Information Integration and Web Intelligence, 2022

A Temporal Deep Convolutional Neural Network Model on Sentinel-1 Image Time Series for Pixel-Wise Flood Classification.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2022

Summary Report.
Proceedings of Interoperability for Enterprise Systems and Applications Workshops co-located with 11th International Conference on Interoperability for Enterprise Systems and Applications (I-ESA 2022), 2022

Manufacturing Line Qualification and Reconfiguration to Improve the Manufacturing Outcomes.
Proceedings of Interoperability for Enterprise Systems and Applications Workshops co-located with 11th International Conference on Interoperability for Enterprise Systems and Applications (I-ESA 2022), 2022

Manufacturing Data Analytics for Manufacturing Quality Assurance.
Proceedings of Interoperability for Enterprise Systems and Applications Workshops co-located with 11th International Conference on Interoperability for Enterprise Systems and Applications (I-ESA 2022), 2022

Industrial Data Services for Quality Control in Industry 4.0.
Proceedings of Interoperability for Enterprise Systems and Applications Workshops co-located with 11th International Conference on Interoperability for Enterprise Systems and Applications (I-ESA 2022), 2022

Imageability-Based Multi-modal Analysis of Urban Environments for Architects and Artists.
Proceedings of the Image Analysis and Processing. ICIAP 2022 Workshops, 2022

Standardized and extensible reference data model for clinical research in Living Labs.
Proceedings of the 13th International Conference on Emerging Ubiquitous Systems and Pervasive Networks (EUSPN 2022) / The 12th International Conference on Current and Future Trends of Information and Communication Technologies in Healthcare (ICTH-2022), 2022

Leveraging Transformer Self Attention Encoder for Crisis Event Detection in Short Texts.
Proceedings of the Advances in Information Retrieval, 2022

An Explainable Multimodal Fusion Approach for Mass Casualty Incidents.
Proceedings of the Database and Expert Systems Applications - DEXA 2022 Workshops, 2022

Modified SkipGram Negative Sampling Model for Faster Convergence of Graph Embedding.
Proceedings of the Deep Learning Theory and Applications - Third International Conference, 2022

A Faster Converging Negative Sampling for the Graph Embedding Process in Community Detection and Link Prediction Tasks.
Proceedings of the 3rd International Conference on Deep Learning Theory and Applications, 2022

Towards Continuous Enrichment of Cyber Threat Intelligence: A Study on a Honeypot Dataset.
Proceedings of the IEEE International Conference on Cyber Security and Resilience, 2022

Host-based Cyber Attack Pattern Identification on Honeypot Logs Using Association Rule Learning.
Proceedings of the IEEE International Conference on Cyber Security and Resilience, 2022

Leveraging Cyber Ranges for Prototyping, Certification and Training: The ECHO case.
Proceedings of the IEEE International Conference on Cyber Security and Resilience, 2022


BiasUNet: Learning Change Detection over Sentinel-2 Image Pairs.
Proceedings of the CBMI 2022: International Conference on Content-based Multimedia Indexing, Graz, Austria, September 14, 2022

A survey for image based methods in construction: from images to digital twins.
Proceedings of the CBMI 2022: International Conference on Content-based Multimedia Indexing, Graz, Austria, September 14, 2022

Sentiment analysis on 2D images of urban and indoor spaces using deep learning architectures.
Proceedings of the CBMI 2022: International Conference on Content-based Multimedia Indexing, Graz, Austria, September 14, 2022

Identification of Key Actor Nodes: A Centrality Measure Ranking Aggregation Approach.
Proceedings of the IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining, 2022

Web Bot Detection Evasion Using Deep Reinforcement Learning.
Proceedings of the ARES 2022: The 17th International Conference on Availability, Reliability and Security, Vienna,Austria, August 23, 2022

2021


Is the Reign of Interactive Search Eternal? Findings from the Video Browser Showdown 2020.
ACM Trans. Multim. Comput. Commun. Appl., 2021

Interactive Video Retrieval in the Age of Deep Learning - Detailed Evaluation of VBS 2019.
IEEE Trans. Multim., 2021

Semantically Enriched Crop Type Classification and Linked Earth Observation Data to Support the Common Agricultural Policy Monitoring.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2021

Combining RSSI and Accelerometer Features for Room-Level Localization.
Sensors, 2021

EUCISE-OWL: An ontology-based representation of the Common Information Sharing Environment (CISE) for the maritime domain.
Semantic Web, 2021

A social media analytics platform visualising the spread of COVID-19 in Italy via exploitation of automatically geotagged tweets.
Online Soc. Networks Media, 2021

First-person activity recognition from micro-action representations using convolutional neural networks and object flow histograms.
Multim. Tools Appl., 2021

Smart integration of sensors, computer vision and knowledge representation for intelligent monitoring and verbal human-computer interaction.
J. Intell. Inf. Syst., 2021

Change Point Detection in Terrorism-Related Online Content Using Deep Learning Derived Indicators.
Inf., 2021

Detection of Advanced Web Bots by Combining Web Logs with Mouse Behavioural Biometrics.
DTRAP, 2021

Smart Interconnected Infrastructures for Security and Protection: The DESMOS Project.
Comput., 2021

M4D-MKLab/ITI-CERTH Participation in TREC Deep Learning Track 2021.
Proceedings of the Thirtieth Text REtrieval Conference, 2021

Ontology-based Semantic Model for Health Data Interpretation.
Proceedings of the Fourth International Workshop on Semantic Web Meets Health Data Management, 2021

Supporting the Discovery and Reuse of Digital Content in Creative Industries using Linked Data.
Proceedings of the 15th IEEE International Conference on Semantic Computing, 2021

Towards a Versatile Intelligent Conversational Agent as Personal Assistant for Migrants.
Proceedings of the Advances in Practical Applications of Agents, Multi-Agent Systems, and Social Good. The PAAMS Collection, 2021

A Semantic Technologies Toolkit for Bridging Early Diagnosis and Treatment in Brain Diseases: Report from the Ongoing EU-Funded Research Project ALAMEDA.
Proceedings of the Metadata and Semantic Research - 15th International Conference, 2021

Fusion of Multimodal Sensor Data for Effective Human Action Recognition in the Service of Medical Platforms.
Proceedings of the MultiMedia Modeling - 27th International Conference, 2021

A Multimodal Tensor-Based Late Fusion Approach for Satellite Image Search in Sentinel 2 Images.
Proceedings of the MultiMedia Modeling - 27th International Conference, 2021


Spatio-Temporal Activity Detection and Recognition in Untrimmed Surveillance Videos.
Proceedings of the ICMR '21: International Conference on Multimedia Retrieval, 2021

Industrial Data Services for Quality Control in Smart Manufacturing - the i4Q Framework.
Proceedings of the IEEE International Workshop on Metrology for Industry 4.0 & IoT, 2021

WaterMM: Water Quality in Social Multimedia Task at MediaEval 2021.
Proceedings of the Working Notes Proceedings of the MediaEval 2021 Workshop, 2021

Usage of Visual Analytics to Support Immigration-Related, Personalised Language Training Scenarios.
Proceedings of the New Realities, Mobile Systems and Applications, 2021

Multimodal Data Fusion of Social Media and Satellite Images for Emergency Response and Decision-Making.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2021

An IoT-based Reliable Industrial Data Services for Manufacturing Quality Control.
Proceedings of the 2021 IEEE International Conference on Engineering, 2021

Localization module for missing child scenario in IoT safety domains.
Proceedings of the IEEE International Conference on Consumer Electronics, 2021

OntoAqua: Ontology-based Modelling of Context in Water Safety and Security.
Proceedings of the 13th International Joint Conference on Knowledge Discovery, 2021

Random-Walk Graph Embeddings and the Influence of Edge Weighting Strategies in Community Detection Tasks.
Proceedings of the OASIS@HT 2021: Proceedings of the 2021 Workshop on Open Challenges in Online Social Networks, 2021

Severity Level Assessment from Semantically Fused Video Content Analysis for Physical Threat Detection in Ground Segments of Space Systems.
Proceedings of the Computer Security. ESORICS 2021 International Workshops, 2021

Towards Selecting Informative Content for Cyber Threat Intelligence.
Proceedings of the IEEE International Conference on Cyber Security and Resilience, 2021

ECHO Federated Cyber Range: Towards Next-Generation Scalable Cyber Ranges.
Proceedings of the IEEE International Conference on Cyber Security and Resilience, 2021

Web Bot Detection Evasion Using Generative Adversarial Networks.
Proceedings of the IEEE International Conference on Cyber Security and Resilience, 2021

Named Entity Recognition in Cyber Threat Intelligence Using Transformer-based Models.
Proceedings of the IEEE International Conference on Cyber Security and Resilience, 2021


Crowd Violence Detection from Video Footage.
Proceedings of the 18th International Conference on Content-Based Multimedia Indexing, 2021

2020
Report on CLEF 2020.
SIGIR Forum, 2020

A novel feature selection method based on comparison of correlations for human activity recognition problems.
J. Ambient Intell. Humaniz. Comput., 2020

Converness: Ontology-driven conversational awareness and context understanding in multimodal dialogue systems.
Expert Syst. J. Knowl. Eng., 2020

Towards Semantic Detection of Smells in Cloud Infrastructure Code.
Proceedings of the WIMS 2020: The 10th International Conference on Web Intelligence, Mining and Semantics, Biarritz, France, June 30, 2020

User Identity Linkage in Social Media Using Linguistic and Social Interaction Features.
Proceedings of the WebSci '20: 12th ACM Conference on Web Science, 2020


Model-Based and Class-Based Fusion of Multisensor Data.
Proceedings of the MultiMedia Modeling - 26th International Conference, 2020

An Extensible Framework for Interactive Real-Time Visualizations of Large-Scale Heterogeneous Multimedia Information from Online Sources.
Proceedings of the MultiMedia Modeling - 26th International Conference, 2020

Real-Time Recognition of Daily Actions Based on 3D Joint Movements and Fisher Encoding.
Proceedings of the MultiMedia Modeling - 26th International Conference, 2020


A Crowd Analysis Framework for Detecting Violence Scenes.
Proceedings of the 2020 on International Conference on Multimedia Retrieval, 2020

The Flood-Related Multimedia Task at MediaEval 2020.
Proceedings of the Working Notes Proceedings of the MediaEval 2020 Workshop, 2020

Flood detection with Sentinel-2 satellite images in crisis management systems.
Proceedings of the 17th International Conference on Information Systems for Crisis Response and Management, 2020

A Multi-Layer Fusion Approach For Real-Time Fire Severity Assessment Based on Multimedia Incidents.
Proceedings of the 17th International Conference on Information Systems for Crisis Response and Management, 2020

Knowledge-Based Management and Reasoning on Cultural and Natural Touristic Routes.
Proceedings of the Artificial Intelligence Applications and Innovations, 2020

A modified Single-Shot multibox Detector for beyond Real-Time Object Detection.
Proceedings of the 25th International Conference on Pattern Recognition, 2020

Cycle-Consistent Adversarial Networks and Fast Adaptive Bi-dimensional Empirical Mode Decomposition for Style Transfer.
Proceedings of the 25th International Conference on Pattern Recognition, 2020

Early and Late Fusion of Multiple Modalities in Sentinel Imagery and Social Media Retrieval.
Proceedings of the Pattern Recognition. ICPR International Workshops and Challenges, 2020

Immerse: A Personalized System Addressing the Challenges of Migrant Integration.
Proceedings of the 2020 IEEE International Conference on Multimedia & Expo Workshops, 2020

colMOOC - an Innovative Conversational Agent Platform to Support MOOCs A Technical Evaluation.
Proceedings of the 20th IEEE International Conference on Advanced Learning Technologies, 2020

Ontology-based Reasoning for Critical Incidents in Public Events.
Proceedings of the Workshop on IOT Infrastructures for Safety in Pervasive Environments (IOT4SAFE 2020) co-located with 17th Extended Semantic Web Conference (ESWC 2020), 2020

Invited keynote on IOT4SAFE 2020: Semantic Web Technologies in Fighting Crime and Terrorism: The CONNEXIONs Approach.
Proceedings of the Workshop on IOT Infrastructures for Safety in Pervasive Environments (IOT4SAFE 2020) co-located with 17th Extended Semantic Web Conference (ESWC 2020), 2020

2019
Interactive Search or Sequential Browsing? A Detailed Analysis of the Video Browser Showdown 2018.
ACM Trans. Multim. Comput. Commun. Appl., 2019

Oil Spill Identification from Satellite Images Using Deep Neural Networks.
Remote. Sens., 2019

Probabilistic density-based estimation of the number of clusters using the DBSCAN-martingale process.
Pattern Recognit. Lett., 2019

Internet of Things Infrastructure for Security and Safety in Public Places.
Inf., 2019

A Context-Aware Conversational Agent in the Rehabilitation Domain.
Future Internet, 2019

Smart Discovery of Cultural and Natural Tourist Routes.
Proceedings of the 2019 IEEE/WIC/ACM International Conference on Web Intelligence, 2019

Deploying Semantic Web Technologies for Information Fusion of Terrorism-related Content and Threat Detection on the Web.
Proceedings of the 2019 IEEE/WIC/ACM International Conference on Web Intelligence, 2019

ITI-CERTH participation in TRECVID 2019.
Proceedings of the 2019 TREC Video Retrieval Evaluation, 2019

A smart dialogue-competent monitoring framework supporting people in rehabilitation.
Proceedings of the 12th ACM International Conference on PErvasive Technologies Related to Assistive Environments, 2019

Early Identification of Oil Spills in Satellite Images Using Deep CNNs.
Proceedings of the MultiMedia Modeling - 25th International Conference, 2019

Identifying Terrorism-Related Key Actors in Multidimensional Social Networks.
Proceedings of the MultiMedia Modeling - 25th International Conference, 2019


Multimodal Fusion of Appearance Features, Optical Flow and Accelerometer Data for Speech Detection.
Proceedings of the Working Notes Proceedings of the MediaEval 2019 Workshop, 2019

Multimedia Analysis Techniques for Flood Detection Using Images, Articles and Satellite Imagery.
Proceedings of the Working Notes Proceedings of the MediaEval 2019 Workshop, 2019

Work-in-Progress: SMART-WATER, a Νovel Τelemetry and Remote Control System Infrastructure for the Management of Water Consumption in Thessaloniki.
Proceedings of the Internet of Things, Infrastructures and Mobile Applications - Proceedings of the 13th IMCL Conference, Thessaloniki, Greece, 31 October, 2019

RSSI Fingerprinting Techniques for Indoor Localization Datasets.
Proceedings of the Internet of Things, Infrastructures and Mobile Applications - Proceedings of the 13th IMCL Conference, Thessaloniki, Greece, 31 October, 2019

A Weighted Late Fusion Framework for Recognizing Human Activity from Wearable Sensors.
Proceedings of the 10th International Conference on Information, 2019

Autonomous Swarm of Heterogeneous Robots for Surveillance Operations.
Proceedings of the Computer Vision Systems, 12th International Conference, 2019

V4Ann: Representation and Interlinking of Atom-Based Annotations of Digital Content.
Proceedings of the Semantic Systems. The Power of AI and Knowledge Graphs, 2019

A comparative study of clustering methods using word embeddings.
Proceedings of the European Intelligence and Security Informatics Conference, 2019

A Test Collection for Passage Retrieval Evaluation of Spanish Health-Related Resources.
Proceedings of the Advances in Information Retrieval, 2019

Smart Interconnected Infrastructure for Security and Safety in Public Places.
Proceedings of the 15th International Conference on Distributed Computing in Sensor Systems, 2019

Towards a framework for detecting advanced Web bots.
Proceedings of the 14th International Conference on Availability, Reliability and Security, 2019

Exploiting Images for Patent Search.
Proceedings of the Springer Handbook of Science and Technology Indicators., 2019

2018
The Backbone of Decision Support Systems: The Sensor to Decision Chain.
Int. J. Inf. Syst. Crisis Response Manag., 2018

hackAIR: Towards Raising Awareness about Air Quality in Europe by Developing a Collective Online Platform.
ISPRS Int. J. Geo Inf., 2018

A Multimodal Analytics Platform for Journalists Analyzing Large-Scale, Heterogeneous Multilingual, and Multimedia Content.
Frontiers Robotics AI, 2018

Flood Relevance Estimation from Visual and Textual Content in Social Media Streams.
Proceedings of the Companion of the The Web Conference 2018 on The Web Conference 2018, 2018



A Multimodal Approach in Estimating Road Passability Through a Flooded Area Using Social Media and Satellite Images.
Proceedings of the Working Notes Proceedings of the MediaEval 2018 Workshop, 2018

Visual and Audio Analysis of Movies Video for Emotion Detection @ Emotional Impact of Movies Task MediaEval 2018.
Proceedings of the Working Notes Proceedings of the MediaEval 2018 Workshop, 2018

People and Vehicles in Danger - A Fire and Flood Detection System in Social Media.
Proceedings of the 13th IEEE Image, Video, and Multidimensional Signal Processing Workshop, 2018

Fusion of Compound Queries with Multiple Modalities for Known Item Video Search.
Proceedings of the 13th IEEE Image, Video, and Multidimensional Signal Processing Workshop, 2018


1st International Workshop on Multimedia Analysis for Architecture, Design and Virtual Reality Games (MADVR 2018).
Proceedings of the IEEE International Symposium on Mixed and Augmented Reality, 2018

The sensor to decision chain in crisis management.
Proceedings of the 15th International Conference on Information Systems for Crisis Response and Management, 2018

Ontology-based Representation of Crisis Management Procedures for Climate Events.
Proceedings of the 15th International Conference on Information Systems for Crisis Response and Management, 2018

beAWARE: Enhancing Decision Support and Management Services in Extreme Weather Climate Events.
Proceedings of the 15th International Conference on Information Systems for Crisis Response and Management, 2018

Adaptive Focused Crawling Using Online Learning - A Study on Content Related to Islamic Extremism.
Proceedings of the Internet Science - 5th International Conference, 2018

A Deep Neural Network for Oil Spill Semantic Segmentation in Sar Images.
Proceedings of the 2018 IEEE International Conference on Image Processing, 2018

An Ontology-Based Decision Support Framework for Personalized Quality of Life Recommendations.
Proceedings of the Decision Support Systems VIII: Sustainable Data-Driven and Evidence-Based Decision Support, 2018


VisDrone-DET2018: The Vision Meets Drone Object Detection in Image Challenge Results.
Proceedings of the Computer Vision - ECCV 2018 Workshops, 2018


Speed Estimation and Abnormality Detection From Surveillance Cameras.
Proceedings of the 2018 IEEE Conference on Computer Vision and Pattern Recognition Workshops, 2018

Activity Recognition from Wearable Cameras.
Proceedings of the 2018 International Conference on Content-Based Multimedia Indexing, 2018

Activity Recognition and Personalized Feedback Solution for Active and Healthy Ageing.
Proceedings of the AAMAS Workshop on Intelligent Conversation Agents in Home and Geriatric Care Applications co-located with the Federated AI Meeting (FAIM 2018), 2018

Towards Improved Air Quality Monitoring Using Publicly Available Sky Images.
Proceedings of the Multimedia Tools and Applications for Environmental & Biodiversity Informatics, 2018

Introduction.
Proceedings of the Multimedia Tools and Applications for Environmental & Biodiversity Informatics, 2018

2017
Gaze movement-driven random forests for query clustering in automatic video annotation.
Multim. Tools Appl., 2017

Multimedia retrieval based on non-linear graph-based fusion and partial least squares regression.
Multim. Tools Appl., 2017

Interactive video search tools: a detailed analysis of the video browser showdown 2015.
Multim. Tools Appl., 2017

Hybrid focused crawling on the Surface and the Dark Web.
EURASIP J. Inf. Secur., 2017

1st International Workshop on Search and Mining Terrorist Online Content & Advances in Data Science for Cyber Security and Risk on the Web.
Proceedings of the Tenth ACM International Conference on Web Search and Data Mining, 2017


KRISTINA: A Knowledge-Based Virtual Conversation Agent.
Proceedings of the Advances in Practical Applications of Cyber-Physical Multi-Agent Systems: The PAAMS Collection, 2017


Description Logics and Rules for Multimodal Situational Awareness in Healthcare.
Proceedings of the MultiMedia Modeling - 23rd International Conference, 2017

Detection of Terrorism-related Twitter Communities using Centrality Scores.
Proceedings of the 2nd International Workshop on Multimedia Forensics and Security, 2017

Visual and Textual Analysis of Social Media and Satellite Images for Flood Detection @ Multimedia Satellite Task MediaEval 2017.
Proceedings of the Working Notes Proceedings of the MediaEval 2017 Workshop co-located with the Conference and Labs of the Evaluation Forum (CLEF 2017), 2017

A Hybrid Recommendation System Based on Density-Based Clustering.
Proceedings of the Internet Science, 2017

Unsupervised Keyword Extraction Using the GoW Model and Centrality Scores.
Proceedings of the Internet Science - 4th International Conference, 2017

A Topic Detection and Visualisation System on Social Media Posts.
Proceedings of the Internet Science - 4th International Conference, 2017

LBP-Flow and Hybrid Encoding for Real-Time Water and Fire Classification.
Proceedings of the 2017 IEEE International Conference on Computer Vision Workshops, 2017

A Monitoring Tool for Terrorism-Related Key-Players and Key-Communities in Social Media Networks.
Proceedings of the European Intelligence and Security Informatics Conference, 2017

A Hybrid Approach for Biomedical Relation Extraction Using Finite State Automata and Random Forest-Weighted Fusion.
Proceedings of the Computational Linguistics and Intelligent Text Processing, 2017

2016
Guest Editorial: Environmental Multimedia Retrieval.
Multim. Tools Appl., 2016

Focussed crawling of environmental Web resources based on the combination of multimedia evidence.
Multim. Tools Appl., 2016

Environmental data extraction from heatmaps using the AirMerge system.
Multim. Tools Appl., 2016


Ontology-Driven Context Interpretation and Conflict Resolution in Dialogue-Based Home Care Assistance.
Proceedings of the 9th International Conference Semantic Web Applications and Tools for Life Sciences, 2016

Community detection in complex networks based on DBSCAN* and a Martingale process.
Proceedings of the 11th International Workshop on Semantic and Social Media Adaptation and Personalization, 2016

VERGE: A Multimodal Interactive Search Engine for Video Browsing and Retrieval.
Proceedings of the MultiMedia Modeling - 22nd International Conference, 2016

Fast Visual Vocabulary Construction for Image Retrieval Using Skewed-Split k-d Trees.
Proceedings of the MultiMedia Modeling - 22nd International Conference, 2016

A Hybrid Framework for News Clustering Based on the DBSCAN-Martingale and LDA.
Proceedings of the Machine Learning and Data Mining in Pattern Recognition, 2016

Towards a Multimedia Knowledge-Based Agent with Social Competence and Human Interaction Capabilities.
Proceedings of the 1st International Workshop on Multimedia Analysis and Retrieval for Multimodal Interaction, 2016

A Multimodal Annotation Schema for Non-Verbal Affective Analysis in the Health-Care Domain.
Proceedings of the 1st International Workshop on Multimedia Analysis and Retrieval for Multimodal Interaction, 2016

Towards an Ontology-Driven Adaptive Dialogue Framework.
Proceedings of the 1st International Workshop on Multimedia Analysis and Retrieval for Multimodal Interaction, 2016

Retrieval of Multimedia Objects by Fusing Multiple Modalities.
Proceedings of the 2016 ACM on International Conference on Multimedia Retrieval, 2016

Semantic Integration of Web Data for International Investment Decision Support.
Proceedings of the Internet Science - Third International Conference, 2016

Towards Air Quality Estimation Using Collected Multimodal Environmental Data.
Proceedings of the Collective Online Platforms for Financial and Environmental Awareness, 2016

Incremental Estimation of Visual Vocabulary Size for Image Retrieval.
Proceedings of the Advances in Big Data, 2016

Question Answering over Pattern-Based User Models.
Proceedings of the 12th International Conference on Semantic Systems, 2016

Interactive Discovery and Retrieval of Web Resources Containing Home Made Explosive Recipes.
Proceedings of the Human Aspects of Information Security, Privacy, and Trust, 2016

Key Player Identification in Terrorism-Related Social Media Networks Using Centrality Measures.
Proceedings of the 2016 European Intelligence and Security Informatics Conference, 2016

The MULTISENSOR Project - Development of Multimedia Content Integration Technologies for Journalism, Media Monitoring and International Exporting Decision Support.
Proceedings of the 1st International Workshop on Multimodal Media Data Analytics co-located with the 22nd European Conference on Artificial Intelligence, 2016

Query-Based Topic Detection Using Concepts and Named Entities.
Proceedings of the 1st International Workshop on Multimodal Media Data Analytics co-located with the 22nd European Conference on Artificial Intelligence, 2016

A multimedia interactive search engine based on graph-based and non-linear multimodal fusion.
Proceedings of the 14th International Workshop on Content-Based Multimedia Indexing, 2016

A hybrid graph-based and non-linear late fusion approach for multimedia retrieval.
Proceedings of the 14th International Workshop on Content-Based Multimedia Indexing, 2016

Hybrid Focused Crawling for Homemade Explosives Discovery on Surface and Dark Web.
Proceedings of the 11th International Conference on Availability, Reliability and Security, 2016

2015
10th European Summer School in Information Retrieval (ESSIR 2015).
SIGIR Forum, 2015

Ontology-centered environmental information delivery for personalized decision support.
Expert Syst. Appl., 2015

Getting the environmental information across: from the Web to the user.
Expert Syst. J. Knowl. Eng., 2015

Fusion of meteorological and air quality data extracted from the web for personalized environmental information services.
Environ. Model. Softw., 2015


A Unified Model for Socially Interconnected Multimedia-Enriched Objects.
Proceedings of the MultiMedia Modeling - 21st International Conference, 2015

VERGE: A Multimodal Interactive Video Search Engine.
Proceedings of the MultiMedia Modeling - 21st International Conference, 2015

Discovery of Environmental Web Resources Based on the Combination of Multimedia Evidence.
Proceedings of the 2nd International Workshop on Environmental Multimedia Retrieval, 2015

MULTISENSOR: Development of multimedia content integration technologies for journalism, media monitoring and international exporting decision support.
Proceedings of the 2015 IEEE International Conference on Multimedia & Expo Workshops, 2015

A Visual Similarity Metric for Ontology Alignment.
Proceedings of the Knowledge Discovery, Knowledge Engineering and Knowledge Management, 2015

Exploiting Visual Similarities for Ontology Alignment.
Proceedings of the KEOD 2015, 2015

Classification Using Various Machine Learning Methods and Combinations of Key-Phrases and Visual Features.
Proceedings of the Semantic Keyword-Based Search on Structured Data Sources, 2015

A Framework for the Discovery, Analysis, and Retrieval of Multimedia Homemade Explosives Information on the Web.
Proceedings of the 10th International Conference on Availability, Reliability and Security, 2015

Concept Detection in Multimedia Web Resources About Home Made Explosives.
Proceedings of the 10th International Conference on Availability, Reliability and Security, 2015

2014
Semantically Enriching an Open Source Sensor Observation Service Implementation for Accessing Heterogeneous Environmental Data Sources.
Trans. GIS, 2014

A model for environmental data extraction from multimedia and its evaluation against various chemical weather forecasting datasets.
Ecol. Informatics, 2014


VERGE: An Interactive Search Engine for Browsing Video Collections.
Proceedings of the MultiMedia Modeling - 20th Anniversary International Conference, 2014

Focussed crawling of environmental web resources: A pilot study on the combination of multimedia evidence.
Proceedings of the 1st International Workshop on Environnmental Multimedia Retrieval co-located with ACM International Conference on Multimedia Retrieval, 2014

The extraction and fusion of meteorological and air quality information for orchestrated services.
Proceedings of the 1st International Workshop on Environnmental Multimedia Retrieval co-located with ACM International Conference on Multimedia Retrieval, 2014

News Articles Classification Using Random Forests and Weighted Multimodal Features.
Proceedings of the Multidisciplinary Information Retrieval, 2014

Enhancing Patent Search with Content-Based Image Retrieval.
Proceedings of the Professional Search in the Modern World, 2014

Concept-oriented labelling of patent images based on Random Forests and proximity-driven generation of synthetic data.
Proceedings of the Third Workshop on Vision and Language, 2014

Keyphrase Extraction using Textual and Visual Features.
Proceedings of the Third Workshop on Vision and Language, 2014

2013
ITI-CERTH participation to TRECVID 2013.
Proceedings of the 2013 TREC Video Retrieval Evaluation, 2013

Concept Extraction from Patent Images Based on Recursive Hybrid Classification.
Proceedings of the Multidisciplinary Information Retrieval, 2013

Discovery of environmental resources based on heatmap recognition.
Proceedings of the IEEE International Conference on Image Processing, 2013

Involving the Expert in the Delivery of Environmental Information from the Web.
Proceedings of the 27th International Conference on Environmental Informatics for Environmental Protection, 2013

Discovery of Weather Forecast Web Resources Based on Ontology and Content-Driven Hierarchical Classification.
Proceedings of the Engineering Applications of Neural Networks, 2013

2012
Exploiting gaze movements for automatic video annotation.
Proceedings of the 13th International Workshop on Image Analysis for Multimedia Interactive Services, 2012

ITI-CERTH participation to TRECVID 2012.
Proceedings of the 2012 TREC Video Retrieval Evaluation, 2012

An environmental search engine based on interactive visual classification.
Proceedings of the 1st ACM international workshop on Multimedia analysis for ecological data, 2012

Environmental data extraction from multimedia resources.
Proceedings of the 1st ACM international workshop on Multimedia analysis for ecological data, 2012

PatMedia: Augmenting Patent Search with Content-Based Image Retrieval.
Proceedings of the Multidisciplinary Information Retrieval, 2012

Discovery of Environmental Nodes in the Web.
Proceedings of the Multidisciplinary Information Retrieval, 2012


Extraction of Environmental Data from On-Line Environmental Information Sources.
Proceedings of the Artificial Intelligence Applications and Innovations, 2012


2011
Content-based binary image retrieval using the adaptive hierarchical density histogram.
Pattern Recognit., 2011

Utilizing Implicit User Feedback to Improve Interactive Video Retrieval.
Adv. Multim., 2011

ITI-CERTH participation to TRECVID 2011.
Proceedings of the 2011 TREC Video Retrieval Evaluation, 2011

An eye-tracking-based approach to facilitate interactive video search.
Proceedings of the 1st International Conference on Multimedia Retrieval, 2011


2010
Exploiting implicit user feedback in interactive video retrieval.
Proceedings of the 11th International Workshop on Image Analysis for Multimedia Interactive Services, 2010

ITI-CERTH participation to TRECVID 2010.
Proceedings of the TRECVID 2010 workshop participants notebook papers, 2010

Optimizing visual search with implicit user feedback in interactive video retrieval.
Proceedings of the 9th ACM International Conference on Image and Video Retrieval, 2010

VERGE: A video interactive retrieval engine.
Proceedings of the 2010 International Workshop on Content-Based Multimedia Indexing, 2010

Adaptive hierarchical density histogram for complex binary image retrieval.
Proceedings of the 2010 International Workshop on Content-Based Multimedia Indexing, 2010

2009
ITI-CERTH participation to TRECVID 2009 HLFE and Search.
Proceedings of the TRECVID 2009 workshop participants notebook papers, 2009

MKLab interactive video retrieval system.
Proceedings of the 8th ACM International Conference on Image and Video Retrieval, 2009

2008
A hybrid ontology and visual-based retrieval model for cultural heritage multimedia collections.
Int. J. Metadata Semant. Ontologies, 2008

A Technological Framework for the Authoring and Presentation of T-learning Courses.
Int. J. Emerg. Technol. Learn., 2008


Integration of Semantic, Metadata and Image Search Engines with a Text Search Engine for Patent Retrieval.
Proceedings of the Workshop on Semantic Search (SemSearch 2008) at the 5th European Semantic Web Conference (ESWC 2008), 2008

MKLab interactive video retrieval system.
Proceedings of the 7th ACM International Conference on Image and Video Retrieval, 2008

2007


A Hybrid Ontology and Visual-based Retrieval Model for Cultural Heritage Multimedia Collections.
Proceedings of the Metadata and Semantics, 2007

ITI interactive video retrieval system.
Proceedings of the 6th ACM International Conference on Image and Video Retrieval, 2007

2006


  Loading...