Stefanos Vrochidis

According to our database1, Stefanos Vrochidis authored at least 126 papers between 2007 and 2019.

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Bibliography

2019
Interactive Search or Sequential Browsing? A Detailed Analysis of the Video Browser Showdown 2018.
TOMCCAP, 2019

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

Probabilistic density-based estimation of the number of clusters using the DBSCAN-martingale process.
Pattern Recognition Letters, 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


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

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

A Multimodal Analytics Platform for Journalists Analyzing Large-Scale, Heterogeneous Multilingual, and Multimedia Content.
Front. Robotics and 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.
Multimedia Tools Appl., 2017

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

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

Hybrid focused crawling on the Surface and the Dark Web.
EURASIP J. Information Security, 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.
Multimedia Tools Appl., 2016

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

Environmental data extraction from heatmaps using the AirMerge system.
Multimedia 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 Systems, 2015

Fusion of meteorological and air quality data extracted from the web for personalized environmental information services.
Environmental Modelling and Software, 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.
Ecological 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
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

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 Recognition, 2011

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

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

Building an Environmental Information System for Personalized Content Delivery.
Proceedings of the Environmental Software Systems. Frameworks of eEnvironment, 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
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.
IJMSO, 2008

A Technological Framework for the Authoring and Presentation of T-learning Courses.
iJET, 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


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