Publications – Page 3 – Multimodal Data Fusion and Analytics Group

Query reformulation based on word embeddings: A comparative study

P. Panagiotou, G. Kalpakis, T. Tsikrika, S. Vrochidis, I. Kompatsiaris. "Query reformulation based on word embeddings: A comparative study". Technology Advances and Support for Security Practitioners of the Security Informatics and Law Enforcement book series.

Multimodal Fusion of Big Multimedia Data, in Book: Big Data Analytics for Large-Scale Multimedia Search

I. Gialampoukidis, E. Chatzilari, S. Nikolopoulos, S. Vrochidis, I. Kompatsiaris. “Multimodal Fusion of Big Multimedia Data, in Book: Big Data Analytics for Large-Scale Multimedia Search”. 15 March 2019.

IoT and Semantic Web Technologies

A. Chatzimichail, E. A. Stathopoulos, D. Ntioudis, A. Tsanousa, M. Rousi, A. Mavropoulos, G. Meditskos, S. Vrochidis and I. Kompatsiaris. “IoT and Semantic Web Technologies”. Semantic IOT: Theory and Applications - Interoperability, Provenance and Beyond, Book series: Studies in Computational Intelligence, Springer, 2020, p. 3-33.

A Hybrid Ontology and Visual-based Retrieval Model for Cultural Heritage Multimedia Collections

S. Vrochidis, C. Doulaverakis, A. Gounaris, E. Nidelkou, L. Makris and I. Kompatsiaris. "A Hybrid Ontology and Visual-based Retrieval Model for Cultural Heritage Multimedia Collections". International Journal of Metadata, Semantics and Ontologies, Vol.3, No. 3, pp. 167-182, 28 February 2009.

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

F. Bellotti, S. Vrochidis, S. Ramel, I. Tsampoulatidis, P. Lhoas, M. Pellegrino, G. Bo and I. Kompatsiaris. "A Technological Framework for the Authoring and Presentation of T-learning Courses". International Journal of Emerging Technologies in Learning (iJET), Vol 3, No4, pp 10-19,15 June 2008.

A T-learning Courses Development and Presentation Framework

F. Bellotti, S. Vrochidis, E. Parissi, P. Lhoas, D. Mathevon, M. Pellegrino, G. Bo and I. Kompatsiaris. "A T-learning Courses Development and Presentation Framework". IEEE Multidisciplinary Engineering Education Magazine, Vol 3, No 3, pp 69-76, 1 September 2008.

Towards Content-based Patent Image Retrieval; A Framework Perspective

S. Vrochidis, S. Papadopoulos, A. Moumtzidou, P. Sidiropoulos, E. Pianta, I. Kompatsiaris. "Towards Content-based Patent Image Retrieval; A Framework Perspective". World Patent Information Journal, Volume 32, Issue 2, pp 94-106, 27 June 2009.

Utilizing Implicit User Feedback to Improve Interactive Video Retrieval

S. Vrochidis, I. Kompatsiaris and I. Patras. "Utilizing Implicit User Feedback to Improve Interactive Video Retrieval". In Ad-vances in Multimedia, Hindawi, vol. 2011, Article ID 310762, 18 pages, 24 March 2011.

Content-Based Binary Image Retrieval using the Adaptive Hierarchical Density Histogram

P. Sidiropoulos, S. Vrochidis, I. Kompatsiaris. "Content-Based Binary Image Retrieval using the Adaptive Hierarchical Density Histogram". Pattern Recognition Journal, Elsevier, Volume 44, Issue 4, pp 739-750, 18 August 2012.

Concept-based Patent Image Retrieval

S. Vrochidis, A. Moumtzidou, and I. Kompatsiaris. "Concept-based Patent Image Retrieval". World Patent Information Journal, Volume 34, Issue 4, pp. 292-303, 18 August 2012.

Ontology-centered environmental information delivery for personalized decision support

L. Wanner, M. Rospocher, S. Vrochidis, L. Johansson, N. Bouayad-Aghae, G. Casamayor, A. Karppinen, I. Kompatsiaris, S. Millee, A. Moumtzidou, L. Serafini. "Ontology-centered environmental information delivery for personalized decision support". Expert Systems With Applications, Volume 42, Issue 12, 15 July 2015, Pages 5032–5046.

Environmental data extraction from heatmaps using the AirMerge system

V. Epitropou, T. Bassoukos, K. Karatzas, A. Karppinen, L. Wanner, S. Vrochidis, I. Kompatsiaris, J. Kukkonen. "Environmental data extraction from heatmaps using the AirMerge system". Multimedia Tools and Applications, May 2015. pp. 1-25, 7 May 2015.

Gaze Movement-driven Random Forests for Query Clustering in Automatic Video Annotation

S. Vrochidis, I. Patras and I. Kompatsiaris. "Gaze Movement-driven Random Forests for Query Clustering in Automatic Video Annotation". Multimedia Tools and Applications, 22 January 2016.

Interactive video search tools: a detailed analysis of the video browser showdown 2015

C. Cobarzan, K. Schoeffmann, W. Bailer, W. Hurst, A. Blazek, J. Lokoc, S. Vrochidis, K. Uwe Barthel, and L. Rossetto.“Interactive video search tools: a detailed analysis of the video browser showdown 2015”. Multimedia Tools Appl. 76, 5539-5571, 4 February 2017.

Multimedia retrieval based on non-linear graph-based fusion and partial least squares regression

I. Gialampoukidis, A. Moumtzidou, D. Liparas, T. Tsikrika, S. Vrochidis, I. Kompatsiaris. "Multimedia retrieval based on non-linear graph-based fusion and partial least squares regression". Multimedia Tools and Applications, 15 May 2017.

Hybrid Focused Crawling on the Surface and the Dark Web

C. Iliou, G. Kalpakis, T. Tsikrika, S. Vrochidis, I. Kompatsiaris. "Hybrid Focused Crawling on the Surface and the Dark Web". EURASIP Journal on Information Security, vol. 2017, no. 11, 4 July 2017.

TENSOR: Retrieval and Analysis of Heterogeneous Online Content for Terrorist Activity Recognition

B. Akhgar, P. Bertrand, C. Chalanouli, T. Day, I. Fragkiadakis, H. Gibson, D. Kavallieros, E. Kermitsis, I. Kompatsiaris, E. Kyriakou, G. Leventakis, E. Lissaris, S. Mille, D. Myttas, T. Tsikrika, S. Vrochidis, U. Williamson. "TENSOR: Retrieval and Analysis of Heterogeneous Online Content for Terrorist Activity Recognition". Proceedings of the Estonian Academy of Se-curity Sciences: Secure Societies, 15 June 2017.

A multimodal analytics platform for journalists analysing large-scale, heterogeneous multilingual and multimedia content

S. Vrochidis, A. Moumtzidou, I. Gialampoukidis, D. Liparas, G. Casamayor, L. Wanner, N. Heise, T. Wagner, A. Bilous, E. Jamin, B. Simeonov, V. Alexiev, R. Busch, I. Arapakis, I. Kompatsiaris. “A multimodal analytics platform for journalists analysing large-scale, heterogeneous multilingual and multimedia content”. Frontiers in Robotics and AI, 5, 123, 29 October 2018.

Interactive Search or Sequential Browsing? A Detailed Analysis of the Video Browser Showdown 2018

J. Lokoc, G. Kovalcik, B. Munzer, K. Schoffmann, W. Bailer, R. Gasser, S. Vrochidis, P. Anh Nguyen, S. Rujikietgumjorn, K. Uwe Barthel. “Interactive Search or Sequential Browsing? A Detailed Analysis of the Video Browser Showdown 2018”. ACM Transactions on Multimedia Computing, Communications, and Applications 1 February 2019.

Converness: Ontology-driven Conversational Awareness and Context Understanding in Multimodal Dialogue Systems

G. Meditskos, E. Kontopoulos, S. Vrochidis, I. Kompatsiaris. “Converness: Ontology-driven Conversational Awareness and Context Understanding in Multimodal Dialogue Systems”. Expert Systems, Special Issue on e-Health and Staying Smarter, 1 February 2019.

Probabilistic density-based estimation of the number of clusters using the DBSCAN-martingale process

I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris, and I. Antoniou. “Probabilistic density-based estimation of the number of clusters using the DBSCAN-martingale process”. Pattern Recognition Letters, Vol. 123, pp 23-30, 4 March 2019.

Oil Spill Identification from Satellite Images Using Deep Neural Networks

M. Krestenitis, G. Orfanidis, K. Ioannidis, K. Avgerinakis, S. Vrochidis and I. Kompatsiaris. "Oil Spill Identification from Satellite Images Using Deep Neural Networks". Remote Sensing, 11(15), 1762, 26 July 2019.

The Backbone of Decision Support Systems: The Sensor to Decision Chain

P. Hertweck, J. Mossgraber, E. Kontopoulos, P. Mitzias, T. Hellmund, A. Karakostas, D. Hilbring, H. van der Schaaf, S. Vrochidis, J.-W. Blume and I. Kompatsiaris. “The Backbone of Decision Support Systems: The Sensor to Decision Chain”. IJISCRAM 10.4: 65-87. Web. 29 August 2019.

Blockchain and AI for the Next Generation Energy Grids: Cybersecurity Challenges and Opportunities

N. Mengidis, T. Tsikrika, S. Vrochidis, and I. Kompatsiaris. “Blockchain and AI for the Next Generation Energy Grids: Cybersecurity Challenges and Opportunities”. Information & Security: An International Journal 43, no. 1 (2019): 21-33, 15 January 2019.

Internet of Things Infrastructure for Security and Safety in Public Places

A. Chatzimichail, C. Chatzigeorgiou, A. Tsanousa, D. Ntioudis, G. Meditskos, F. Andritsopoulos, C. Karaberi, P. Kasnesis, D. Kogias, G. Gorgogetas, S. Vrochidis, C. Patrikakis, I. Kompatsiaris. “Internet of Things Infrastructure for Security and Safety in Public Places”. Special Issue, IoT Applications and Industry 4.0, Information, 10(11), 333, 28 October 2019.

A context-aware conversational agent in the rehabilitation domain

T. Mavropoulos, G. Meditskos, E. Kamateri, M. Rousi, S. Symeonidis, D. Tzimikas, L. Papageorgiou, C. Eleftheriadis, G. Adamopoulos, S. Vrochidis, I. Kompatsiaris. “A context-aware conversational agent in the rehabilitation domain”. Special Issue “Intelligent Innovations in Multimedia Data”, Future Internet 1 November 2019, 11(11), 231.

EUCISE-OWL: An Ontology-based Representation of the Common Information Sharing Environment (CISE) for the Maritime Domain

M. Riga, E. Kontopoulos, K. Ioannidis, S. Kintzios, S. Vrochidis, I. Kompatsiaris (2020). “EUCISE-OWL: An Ontology-based Representation of the Common Information Sharing Environment (CISE) for the Maritime Domain” Semantic Web, vol. 12, no. 4, pp. 603-615, 2021.

A novel feature selection method based on comparison of correlations for human activity recognition problems

A. Tsanousa, G. Meditskos, S. Vrochidis, L. Angelis. "A novel feature selection method based on comparison of correlations for human activity recognition problems". Journal of Ambient Intelligence and Humanized Computing, 6 March 2020.

ITI-CERTH participation to TRECVID 2012

A. Moumtzidou, N. Gkalelis, P. Sidiropoulos, M. Dimopoulos, S. Nikolopoulos, S. Vrochidis, V. Mezaris, I. Kompatsiaris,"ITI-CERTH participation to TRECVID 2012", in Proceedings of TRECVID 2012 Workshop, November 2012, Gaithersburg, MD, USA.

First-Person Activity Recognition from Micro-Action Representations using Convolutional Neural Networks and Object Flow Histograms

P. Giannakeris, P. C. Petrantonakis, K. Avgerinakis, S. Vrochidis, I. Kompatsiaris. "First-Person Activity Recognition from Micro-Action Representations using Convolutional Neural Networks and Object Flow Histograms". Multimedia Tools and Applications An International Journal, 29 September 2020.

Making Urban Water Smart: The SMART-WATER solution

G. Antzoulatos, C. Mourtzios, P. Stournara, I.O. Kouloglou, N. Papadimitriou, D. Spyrou, A. Mentes, E. Nikolaidis, A. Karakostas, D. Kourtesis, S. Vrochidis, I. Kompatsiaris. "Making Urban Water Smart: The SMART-WATER solution", Special Issue "Making water smart – preparing the water sector for the data and autonomy revolution", Water Science & Technology, Volume 82, Issue 12, 18 August 2020

Semantically Enriching an Open Source SOS Implementation for Accessing Heterogeneous Environmental Data Sources

D. Hilbring, A. Moumtzidou, J. Mossgraber and S. Vrochidis, "Semantically Enriching an Open Source SOS Implementation for Accessing Heterogeneous Environmental Data Sources", The Global Conference for Open Source Geospatial Software, Nottingham, UK, September 17-21, 2013.

Concept extraction from patent images based on recursive hybrid classification

A. Moumtzidou, S. Vrochidis, and I. Kompatsiaris,"Concept extraction from patent images based on recursive hybrid classification", Proceedings of 6th Information Retrieval Facility Conference 2013 (IRFC 2013), Limassol, Cyprus, 7-9 October, 2013. Multidisciplinary Information Retrieval, Springer Berlin Heidelberg, Vol. 8201, pp. 83-86. https://doi.org/10.1007/978-3-642-41057-4_9

ITI-CERTH participation to TRECVID 2013

F. Markatopoulou, A. Moumtzidou, C. Tzelepis, K. Avgerinakis, N. Gkalelis, S. Vrochidis, V. Mezaris, and I. Kompatsiaris, "ITI-CERTH participation to TRECVID 2013", in TRECVID 2013 Workshop, Gaithersburg, MD, USA, 2013.

VERGE: An Interactive Search Engine for Browsing Video Collections

A. Moumtzidou, K. Avgerinakis, E. Apostolidis, V. Aleksic, F. Markatopoulou, C. Papagiannopoulou, S. Vrochidis, V. Mezaris, R. Busch, I. Kompatsiaris,"VERGE: An Interactive Search Engine for Browsing Video Collections", in Proc. Video Browser Showdown (VBS'14) at the 20th Int. Conf. on MultiMedia Modeling (MMM'14), Dublin, Ireland, Springer LNCS vol. 8326, pp. 411-414, January 2014.

The extraction and fusion of meteorological and air quality information for orchestrated services

L. Johansson, V. Epitropou, K. Karatzas, L. Wanner, A. Karppinen, J. Kukkonen, S. Vrochidis and I. Kompatsiaris, "The extraction and fusion of meteorological and air quality information for orchestrated services", in proceedings of 1st International Workshop on Environmental Multimedia Retrieval (EMR 2014), Glasgow, UK, April 1, 2014.

Key-phrase Extraction using Textual and Visual Features

Y. HaCohen-Kerner, S. Vrochidis, D. Liparas, A. Moumtzidou and I. Kompatsiaris,"Key-phrase Extraction using Textual and Visual Features", in 3rd Workshop on Vision and Language (VL), Dublin, Ireland, August 23-29, 2014. DOI: 10.3115/v1/W14-5421

Concept-oriented labelling of patent images based on Random Forests and proximity-driven generation of synthetic data

D. Liparas, A. Moumtzidou, S. Vrochidis, I. Kompatsiaris,"Concept-oriented labelling of patent images based on Random Forests and proximity-driven generation of synthetic data", in COLING'14 Workshop on Vision and Language (VL'14), Dublin, August 23, 2014. DOI: 10.3115/v1/W14-5404

ITI-CERTH participation to TRECVID 2014

N. Gkalelis, F. Markatopoulou, A. Moumtzidou, D. Galanopoulos, K. Avgerinakis, N. Pittaras, S. Vrochidis, V. Mezaris, I. Kompatsiaris, I. Patras,"ITI-CERTH participation to TRECVID 2014", in Proc. TRECVID 2014 Work-shop, Orlando, FL, USA, November 2014.

News articles classification using Random Forests and weighted multimodal features

D. Liparas, Y. Hacohen-Kerner, A. Moumtzidou, S. Vrochidis and I. Kompatsiaris,"News articles classification using Random Forests and weighted multimodal features", in Proceedings of the 3rd Open Interdisciplinary MUMIA Conference and 7th Information Retrieval Facility Conference (IRFC2014), 10 - 12 November 2014, Copenhagen, Denmark, LNCS 8849, pp. 63-75, Berlin: Springer-Verlag, 2014.

VERGE: A Multimodal Interactive Video Search Engine

A. Moumtzidou, K. Avgerinakis, E. Apostolidis, F. Markatopoulou, K. Apostolidis, T. Mironidis, S. Vrochidis, V. Mezaris, Y. Kompatsiaris, I. Patras,"VERGE: A Multimodal Interactive Video Search Engine", in Proc. 21st Int. Conf. on MultiMedia Modeling (MMM15), Sydney, Australia, Jan. 2015. https://doi.org/10.1007/978-3-319-14442-9_23

A Unified Model for Socially Interconnected Multimedia-Enriched Objects

T. Tsikrika, K. Andreadou, A. Moumtzidou, E. Schinas, S. Papadopoulos, S. Vrochidis, Y. Kompatsiaris, "A Unified Model for Socially Interconnected Multimedia-Enriched Objects", in 21st MultiMedia Modelling Conference (MMM2015), Sydney, Australia, 5-7 January, 2015. https://doi.org/10.1007/978-3-319-14445-0_32

MULTISENSOR: Development of Multimedia Content Integration Technologies for Journalism, Media Monitoring and International Exporting Decision Support

S. Vrochidis, I. Kompatsiaris, G. Casamayor, I. Arapakis, R. Busch, V. Alexiev, E. Jamin, M. Jugov, N. Heise, T. Forrellat, D. Liparas, L. Wanner, I. Miliaraki, V. Aleksic, K. Simov, A. M. Soro, M. Eckhoff, T. Wagner, M. Puigbo,"MULTISENSOR: Development of Multimedia Content Integration Technologies for Journalism, Media Monitoring and International Exporting Decision Support", in 2015 IEEE International Conference on Multimedia and Expo (ICME 2015), Turin, Italy, June 29 - July 3, 2015.

VERGE IN VBS 2018

A. Moumtzidou, S. Andreadis, F. Markatopoulou, D. Galanopoulos, I. Gialampoukidis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, I. Patras, "VERGE IN VBS 2018", in International Conference on Multimedia Modeling 2018.

The H2020-EO EOPEN project

G. Vingione, L. Marzell, E. Cadau., I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris, B. Valentin, M. Melcott, L. Gale, W.-K. Lee, S. Woo, M. Gienger, D. Hoppe, C. Kontoes, I. Papoutsis, M. Ferri, F. Baruffi, J. Yoon, H. Yoon, A. Karppinen, A.-M. Harri, "The H2020-EO EOPEN project", ESA Conference on Big Data from Space 2017, 28-30 November 2017, Toulouse, France.

Design of knowledge-based agent as a social companion

L. Wanner, E. Andre, J. Blat, S. Dasiopoulou, M. Farrus, T. Fraga, E. Kamateri, F. Lingenfelser, G. Llorach, O. Martinez, G. Meditskos, S. Mille, W. Minker, L. Pragst, D. Schiller, A. Stam, L. Stellingwerff, F. Sukno, B. Vieru, S. Vrochidis, "Design of knowledge-based agent as a social companion", in Proceedings of the International Conference on Health and Social Care Information Systems and Technologies (HCist), Barcelona, Catalonia, November 2017.

The Sensor to Decision Chain in Crisis Management

J. Mossgraber, D. Hilbring, H. van der Schaaf, P. Hertweck, E. Kontopoulos, P. Mitzias, I. Kompatsiaris, S. Vrochidis, A. Karakostas, "The Sensor to Decision Chain in Crisis Management", In Int. Conf. on Information Systems for Crisis Response and Management (ISCRAM'18).

Testing a Flood Mask Correction Method Of Optical Satellite Imagery Over Irrigated Agricultural Areas

E. Michail, A. Moumtzidou, I. Gialampoukidis, K. Avgerinakis, M. G. Scarpino, S. Vrochidis, G. Vingione, I. Kompatsiaris, K. Labbassi, M. Menenti, F.-E. Elghandour, "Testing a Flood Mask Correction Method Of Optical Satellite Imagery Over Irrigated Agricultural Areas", in 2nd Mapping Water Bodies from Space Conference (MWBS2018), 27-28 March 2018, ESA-ESRIN Frascati, Italy.

Concept Detection on Multimedia Web Resources about Home Made Explosives

G. Kalpakis, T. Tsikrika, F. Markatopoulou, N. Pittaras, S. Vrochidis, V. Mezaris, I. Patras, and I. Kompatsiaris, "Concept Detection on Multimedia Web Resources about Home Made Explosives", in Proceedings of the International Workshop on Multimedia Forensics and Security (MFSec 2015), held in conjunction with the 10th International Conference on Availability, Reliability and Security, Toulouse, France, 2015. DOI: 10.1109/ARES.2015.85

A Framework for the Discovery, Analysis, and Retrieval of Multimedia Homemade Explosives Information on the Web

T. Tsikrika, G. Kalpakis, S. Vrochidis, I. Kompatsiaris, I. Paraskakis, I. Kavasidis, J. Middleton, and U. Williamson, "A Framework for the Discovery, Analysis, and Retrieval of Multimedia Homemade Explosives Information on the Web", in Proceedings of the International Workshop on Multimedia Forensics and Security (MFSec 2015), held in conjunction with the 10th International Conference on Availability, Reliability and Security, Toulouse, France, 2015. https://doi.org/10.1109/ARES.2015.86

Classification using various ML Methods and Combinations of Key-Phrases and Visual Features

Y. Hacohen-Kerner, A. Sabag, D. Liparas, A. Moumtzidou, S. Vrochidis and I. Kompatsiaris, "Classification using various ML Methods and Combinations of Key-Phrases and Visual Features", 1st KEYSTONE Conference (IKC2015), Coimbra, Portugal, September 8-9, 2015.

Exploiting visual similarities for ontology alignment

C. Doulaverakis, S. Vrochidis, I. Kompatsiaris,"Exploiting visual similarities for ontology alignment", 7th In-ternational Conference on Knowledge Engineering and Ontology Development (KEOD 2015), Lisbon, Portugal, 12-14 November, 2015. DOI: 10.5220/0005588200290037

ITI-CERTH participation to TRECVID 2015

F. Markatopoulou, A. Ioannidou, C. Tzelepis, T. Mironidis, D. Galanopoulos, S. Arestis-Chartampilas, N. Pittaras, K. Avgerinakis, N. Gkalelis, A. Moumtzidou, S. Vrochidis, V. Mezaris, I. Kompatsiaris, I. Patras, "ITI-CERTH participation to TRECVID 2015", in Proc. TRECVID 2015 Workshop, Gaithersburg, MD, USA, Nov. 2015.

Fast Visual Vocabulary Construction for Image Retrieval using Skewed-Split k-d trees

I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris, "Fast Visual Vocabulary Construction for Image Retrieval using Skewed-Split k-d trees", In International Conference on Multimedia Modeling, pp. 466-477. Springer In-ternational Publishing, 2016. https://doi.org/10.1007/978-3-319-27671-7_39

VERGE: A Multimodal Interactive Search Engine for Video Browsing and Retrieval

A. Moumtzidou, T. Mironidis, E. Apostolidis, F. Markatopoulou, A. Ioannidou, I. Gialampoukidis, K. Avgerinakis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, I. Patras,"VERGE: A Multimodal Interactive Search Engine for Video Browsing and Retrieval", in Proc. Video Browser Showdown (VBS'16) at the 22nd Int. Conf. on MultiMedia Modeling (MMM'16), Miami, USA, 4 January 2016. https://doi.org/10.1007/978-3-319-27674-8_39

VisDrone-VDT2018: The vision meets drone video detection and tracking challenge results

P. Zhu, L. Wen, D. Du, X. Bian, H. Ling, Q. Hu, H. Wu, Q. Nie, H. Cheng, C. Liu, X. Liu, W. Ma, L. Wang, A. Schumann, D. Wang, D. Ortego, E. Luna, E. Michail, E. Bochinski, F. Ni, F. Bunyak, G. Zhang, G. Seetharaman, G. Li, H. Yu, I. Kompatsiaris, J. Zhao, J. Gao, J. M. Martinez, J. C. San Miguel, K. Palaniappan, K. Avgerinakis, L. Sommer, M. Lauer, M. Liu, N. M. Al-Shakarji, O. Acatay, P. Giannakeris, Q. Zhao, Q. Ma, Q. Huang, S. Vrochidis, T. Sikora, T. Senst, W. Song, W. Tian, W. Zhang, Y. Zhao, Y. Bai, Y. Wu, Y. Wang, Y. Li, Z. Pi and Z. Ma,“VisDrone-VDT2018: The vision meets drone video detection and tracking challenge results”, in Proceedings of the European Conference on…

A Multimodal Annotation Schema for Non-Verbal Affective Analysis in the Health-Care Domain

F. Sukno, M. Dominguez, A. Ruiz Ovejero, D. Schiller, F. Lingenfelser, L. Pragst, E. Kamateri, S. Vrochidis,"A Multimodal Annotation Schema for Non-Verbal Affective Analysis in the Health-Care Domain", 1st International Workshop on Multimedia Analysis and Retrieval for Multimodal Interaction (MARMI 2016), New York, USA, June 6, 2016. https://doi.org/10.1145/2927006.2927008

Towards an Ontology-driven Adaptive Dialogue Framework

G. Meditskos, S. Dasiopoulou, Louisa Pragst, S. Ultes, S. Vrochidis, I. Kompatsiaris, L. Wanner, "Towards an Ontology-driven Adaptive Dialogue Framework", 1st International Workshop on Multimedia Analysis and Re-trieval for Multimodal Interaction (MARMI 2016), New York, USA, June 6, 2016. https://doi.org/10.1145/2927006.2927009

Flood relevance estimation from visual and textual content in social media streams

A. Moumtzidou, S. Andreadis, I. Gialampoukidis, A. Karakostas, S. Vrochidis and I. Kompatsiaris, "Flood relevance estimation from visual and textual content in social media streams", in WWW 2018 Workshop on Exploitation of Social Media for Emergency Relief and Preparedness (SMERP), 23 April 2018, Lyon, France.

Towards a Multimedia Knowledge-Based Agent with Social Competence and Human Interaction Capabilities

L. Wanner, J. Blat, S. Dasiopoulou, M. Dominguez, G. Llorach, S. Mille, F. Sukno, E. Kamateri, S. Vrochidis, I. Kompatsiaris, E. Andre, F. Lingenfelser, G. Mehlmann, A. Stam, L. Stellingwerff, B. Vieru, L. Lamel, W. Minker, L. Pragst, Stefan Ultes,"Towards a Multimedia Knowledge-Based Agent with Social Competence and Human Interaction Capabilities", 1st International Workshop on Multimedia Analysis and Retrieval for Multimodal Interaction (MARMI 2016), New York, USA, June 6, 2016. https://doi.org/10.1145/2927006.2927011

Retrieval of Multimedia objects by Fusing Multiple Modalities

I. Gialampoukidis, A. Moumtzidou, T. Tsikrika, S. Vrochidis and I. Kompatsiaris, "Retrieval of Multimedia objects by Fusing Multiple Modalities", in Proceedings of the 2016 ACM on International Conference on Multimedia Retrieval, pp. 359-362, ACM. https://dl.acm.org/doi/10.1145/2911996.2912068

An Ontology-based Decision Support Framework for Personalized Quality of Life Recommendations

M. Riga, E. Kontopoulos, K. Karatzas, S. Vrochidis and I. Kompatsiaris, "An Ontology-based Decision Support Framework for Personalized Quality of Life Recommendations", in 4th International Conference on Decision Support System Technology (ICDSST2018), 22-25 May 2018, Heraklion, Crete, Greece.

A Multimedia Interactive Search Engine based on Graph-based and Non-linear Multimodal Fusion

A. Moumtzidou, I. Gialampoukidis, T. Mironidis, D. Liparas, S. Vrochidis, I. Kompatsiaris, "A Multimedia Interactive Search Engine based on Graph-based and Non-linear Multimodal Fusion", in 14th International Workshop on Content-Based Multimedia Indexing (CBMI), 2016, IEEE, 2016. DOI: 10.1109/CBMI.2016.7500276

Fusion of Compound Queries with Multiple Modalities for Known Item Video Search

I. Gialampoukidis, A. Moumtzidou, S. Vrochidis and Y. Kompatsiaris, "Fusion of Compound Queries with Multiple Modalities for Known Item Video Search", in 13th Workshop on IEEE Image, Video, and Multidimensional Signal Processing (IVMSP 2018), 10-12 June 2018, Zagori, Greece.

A hybrid graph-based and non-linear late fusion approach for multimedia retrieval

I. Gialampoukidis, A. Moumtzidou, D. Liparas, S. Vrochidis, I. Kompatsiaris, "A hybrid graph-based and non-linear late fusion approach for multimedia retrieval", in 14th International Workshop on Content-Based Multimedia Indexing (CBMI), 2016, pp. 1-6, IEEE, 2016.

A Hybrid Recommendation System Based on Density-Based Clustering

T. Tsikrika, S. Symeonidis, I. Gialampoukidis, A. Satsiou, S. Vrochidis, I. Kompatsiaris, "A Hybrid Recommendation System Based on Density-Based Clustering", ”. In INSCI 2017 International Workshops, IFIN, DATA ECONOMY, DSI, and CONVERSATIONS. Diplaris S., Satsiou A., Folstad A., Vafopoulos M., Vilarinho T. (eds), Internet Science., Revised Selected Papers. Lecture Notes in Computer Science, vol 10750. Springer, Cham.

Ontology-based Representation of Crisis Management Procedures for Climate Events

E. Kontopoulos, P. Mitzias, J. Mossgraber, P. Hertweck, H. van der Schaaf, X. Hilbring, F. Lombardo, D. Norbiato, M. Ferri, A. Karakostas, S. Vrochidis, I. Kompatsiaris,"Ontology-based Representation of Crisis Management Procedures for Climate Events", in 1st International Workshop on Intelligent Crisis Management Technologies for Climate Events (ICMT 2018), collocated with the 15th International Conference on Information Systems for Crisis Response and Management (ISCRAM 2018).

People and vehicles in danger – A fire and flood detection system in social media

P. Giannakeris, K. Avgerinakis, A. Karakostas, S. Vrochidis and I. Kompatsiaris, "People and vehicles in danger - A fire and flood detection system in social media", in 13th Workshop on IEEE Image, Video, and Multidimensional Signal Processing (IVMSP 2018), 10-12 June 2018, Zagori, Greece.

Speed Estimation and Abnormality Detection from Surveillance Cameras

P. Giannakeris, V. Kaltsa, K. Avgerinakis, A. Briassouli, S. Vrochidis and I. Kompatsiaris,"Speed Estimation and Abnormality Detection from Surveillance Cameras'', in CVPRW NVIDIA AI City Challenge, 2018.

A deep neural network for oil spill semantic segmentation in SAR images

G. Orfanidis, K. Ioannidis, K. Avgerinakis, S. Vrochidis and I. Kompatsiaris, "A deep neural network for oil spill semantic segmentation in SAR images", in IEEE Int. Conf. on Image Processing (ICIP 2018), Athens, Greece, October 2018.

Social Media Observations for Flood Event Monitoring in Italy over a One-Year Period

S. Andreadis, I. Gialampoukidis, R. Fiorin, F. Lombardo, D. Norbiato, A. Karakostas, M. Ferri, S. Vrochidis and I. Kompatsiaris, "Social Media Observations for Flood Event Monitoring in Italy over a One-Year Period", in 2nd International Conference Citizen Observatories for natural hazards and Water Management (COWM 2018), 27-30 November 2018, Venezia, Italy.

THE H2020-EO EOPEN PROJECT

G. Vingione, L. Marzell, E. Cadau., I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris, B. Valentin, M. Melcott, L. Gale, W.-K. Lee, S. Woo, M. Gienger, D. Hoppe, C. Kontoes, I. Papoutsis, M. Ferri, F. Baruffi, J. Yoon, H. Yoon, A. Karppinen, A.-M. Harri, "THE H2020-EO EOPEN PROJECT", in INSPIRE Conference 2018, 18-21 September 2018, Antwerp, Belgium (poster presentation).

Question Answering over Pattern-Based User Models

G. Meditskos, S. Dasiopoulou, S. Vrochidis, L. Wanner, I. Kompatsiaris,"Question Answering over Pattern-Based User Models", Proceedings of the 12th International Conference on Semantic Systems (SEMANTiCS 2016), pp. 153-160. ACM, New York, NY, USA, 2016. http://dx.doi.org/10.1145/2993318.2993331

Activity Recognition and Personalized Feedback Solution for Active and Healthy Ageing

T. Stavropoulos, G. Meditskos, S. Vrochidis and I. Kompatsiaris, "Activity Recognition and Personalized Feedback Solution for Active and Healthy Ageing", in Intelligent Conversation Agents in Home and Geriatric Care Applications, Held in conjunction with the Federated AI Meeting (FAIM), 15th of July, Stockholm, Sweden, 2018.

Semantic integration of web data for international investment decision support

B. Simeonov, V. Alexiev, D. Liparas, M. Puigbo, S. Vrochidis, E. Jamin and I. Kompatsiaris, "Semantic integration of web data for international investment decision support", 3rd international conference on Internet Science, Florence, Italy, Sept. 12-14 2016.

A Flood Monitoring Tool for Urban Areas Using Satellite, Weather and Social Data

S. Andreadis, A. Moumtzidou, I. Gialampoukidis, S. Vrochidis and I. Kompatsiaris, "A Flood Monitoring Tool for Urban Areas Using Satellite, Weather and Social Data", in US-Serbia & West Balkan Data Science Workshop 2018 - Big Data and Critical Infrastructures, 26-28 August 2018, Belgrade, Serbia. (poster presentation)

Towards Air Quality Estimation Using Collected Multimodal Environmental Data

A. Moumtzidou, S. Papadopoulos, S. Vrochidis, I. Kompatsiaris, K. Kourtidis, G. Hloupis, I. Stavrakas, K. Papachristopoulou, and C. Keratidis,"Towards Air Quality Estimation Using Collected Multimodal Environmental Data", 1st International Workshop on Internet and Social media for Environmental Monitoring (In conjunction with the 3rd international conference on Internet Science (INSCI 2016), Florence, Italy, 12 September 2016.

A Crisis Classification System for flood risk assessment: the beAWARE project

G. S. Antzoulatos, A. Karakostas, S. Vrochidis, F. Lombardo, D. Norbiato, M. Ferri, I. Kompatsiaris, "A Crisis Classification System for flood risk assessment: the beAWARE project", in 2nd International Conference Citizen Observatories for natural hazards and Water Management (COWM 2018), 27-30 November 2018, Venezia, Italy.

Oil spill identification from satellite images using deep neural networks

M.Krestenitis, G. Orfanidis, K.Ioannidis, K.Avgerinakis, S.Vrochidis, & I.Kompatsiaris,"Oil spill identification from satellite images using deep neural networks", Remote Sensing, 11(15), 1762, 26 July 2017.

EMR ’14: Proceedings of the 1nd International Workshop on Environmental Multimedia Retrieval

S. Vrochidis, K. Karatzas, A. Karppinen, A. Joly, (Eds.). (2014). EMR ’14: Proceedings of the 1nd International Workshop on Environmental Multimedia Retrieval. Glasgow, UK, 1 April 2014, CEUR, Vol 1222.