Nikiforos Pittaras

According to our database, Nikiforos Pittaras authored at least 18 papers between 2014 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2023

Content-based and Knowledge-enriched Representations for Classification Across Modalities: A Survey.

Nikiforos Pittaras, George Giannakopoulos, Panagiotis Stamatopoulos, Vangelis Karkaletsis

ACM Comput. Surv., 2023

A Taxonomic System for Failure Cause Analysis of Open Source AI Incidents.

Nikiforos Pittaras, Sean McGregor

Proceedings of the Workshop on Artificial Intelligence Safety 2023 (SafeAI 2023) co-located with the Thirty-Seventh AAAI Conference on Artificial Intelligence (AAAI 2023), 2023

2022

A Cooperative Reinforcement Learning Environment for Detecting and Penalizing Betrayal.

Nikiforos Pittaras

CoRR, 2022

2021

Beyond deep learning: enriching data representations for machine learning tasks

Nikiforos Pittaras

PhD thesis, 2021

Text classification with semantically enriched word embeddings.

Nikiforos Pittaras, George Giannakopoulos, Georgios Papadakis, Vangelis Karkaletsis

Nat. Lang. Eng., 2021

2020

Summarizing Game Reviews: First Contact.

Aris Kosmopoulos, Antonios Liapis, George Giannakopoulos, Nikiforos Pittaras

Proceedings of the Workshops of the 11th EETN Conference on Artificial Intelligence 2020 co-located with the 11th EETN Conference on Artificial Intelligence (SETN 2020), 2020

JedAI³ : beyond batch, blocking-based Entity Resolution.

George Papadakis, Leonidas Tsekouras, Emmanouil Thanos, Nikiforos Pittaras, Giovanni Simonini, Dimitrios Skoutas, Paul Isaris, George Giannakopoulos, Themis Palpanas, Manolis Koubarakis

Proceedings of the 23rd International Conference on Extending Database Technology, 2020

2019

GeoSensor: semantifying change and event detection over big data.

Nikiforos Pittaras, George Papadakis, George Stamoulis, Giorgos Argyriou, Efi Karra Taniskidou, Emmanouil Thanos, George Giannakopoulos, Leonidas Tsekouras, Manolis Koubarakis

Proceedings of the 34th ACM/SIGAPP Symposium on Applied Computing, 2019

A Study of Text Representations for Hate Speech Detection.

Chrysoula Themeli, George Giannakopoulos, Nikiforos Pittaras

Proceedings of the Computational Linguistics and Intelligent Text Processing, 2019

2018

GeoSensor: On-line Scalable Change and Event Detection over Big Data.

Giorgos Argyriou, George Papadakis, George Stamoulis, Efi Karra Taniskidou, Nikiforos Pittaras, George Giannakopoulos, Sergio Albani, Michele Lazzarini, Emanuele Angiuli, Anca Popescu, Argyros Argyridis, Manolis Koubarakis

Proceedings of the Companion of the The Web Conference 2018 on The Web Conference 2018, 2018

Document clustering as a record linkage problem.

Nikiforos Pittaras, George Giannakopoulos, Leonidas Tsekouras, Iraklis Varlamis

Proceedings of the ACM Symposium on Document Engineering 2018, 2018

2017

Comparison of Fine-Tuning and Extension Strategies for Deep Convolutional Neural Networks.

Nikiforos Pittaras, Foteini Markatopoulou, Vasileios Mezaris, Ioannis Patras

Proceedings of the MultiMedia Modeling - 23rd International Conference, 2017

The BigDataEurope Platform - Supporting the Variety Dimension of Big Data.

Sören Auer, Simon Scerri, Aad Versteden, Erika Pauwels, Angelos Charalambidis, Stasinos Konstantopoulos, Jens Lehmann, Hajira Jabeen, Ivan Ermilov, Gezim Sejdiu, Andreas Ikonomopoulos, Spyros Andronopoulos, Mandy Vlachogiannis, Charalambos Pappas, Athanasios Davettas, Iraklis A. Klampanos, Efstathios Grigoropoulos, Vangelis Karkaletsis, Victor de Boer, Ronald Siebes, Mohamed Nadjib Mami, Sergio Albani, Michele Lazzarini, Paulo Nunes, Emanuele Angiuli, Nikiforos Pittaras, George Giannakopoulos, Giorgos Argyriou, George Stamoulis, George Papadakis, Manolis Koubarakis, Pythagoras Karampiperis, Axel-Cyrille Ngonga Ngomo, Maria-Esther Vidal

Proceedings of the Web Engineering - 17th International Conference, 2017

2015

Local Features and a Two-Layer Stacking Architecture for Semantic Concept Detection in Video.

Fotini Markatopoulou, Vasileios Mezaris, Nikiforos Pittaras, Ioannis Patras

IEEE Trans. Emerg. Top. Comput., 2015

ITI-CERTH participation to TRECVID 2015.

Foteini Markatopoulou, Anastasia Ioannidou, Christos Tzelepis, Theodoros Mironidis, Damianos Galanopoulos, Stavros Arestis-Chartampilas, Nikiforos Pittaras, Konstantinos Avgerinakis, Nikolaos Gkalelis, Anastasia Moumtzidou, Stefanos Vrochidis, Vasileios Mezaris, Ioannis Kompatsiaris, Ioannis Patras

Proceedings of the 2015 TREC Video Retrieval Evaluation, 2015

A Study on the Use of a Binary Local Descriptor and Color Extensions of Local Descriptors for Video Concept Detection.

Fotini Markatopoulou, Nikiforos Pittaras, Olga Papadopoulou, Vasileios Mezaris, Ioannis Patras

Proceedings of the MultiMedia Modeling - 21st International Conference, 2015

Concept Detection in Multimedia Web Resources About Home Made Explosives.

George Kalpakis, Theodora Tsikrika, Fotini Markatopoulou, Nikiforos Pittaras, Stefanos Vrochidis, Vasileios Mezaris, Ioannis Patras, Ioannis Kompatsiaris

Proceedings of the 10th International Conference on Availability, Reliability and Security, 2015

2014

ITI-CERTH participation to TRECVID 2014.

Nikolaos Gkalelis, Foteini Markatopoulou, Anastasia Moumtzidou, Damianos Galanopoulos, Konstantinos Avgerinakis, Nikiforos Pittaras, Stefanos Vrochidis, Vasileios Mezaris, Ioannis Kompatsiaris, Ioannis Patras

Proceedings of the 2014 TREC Video Retrieval Evaluation, 2014