1 code implementation • 28 Apr 2023 • Vassilis Lyberatos, Paraskevi-Antonia Theofilou, Jason Liartis, Georgios Siolas
The growing availability of digitized art collections has created the need to manage, analyze and categorize large amounts of data related to abstract concepts, highlighting a demanding problem of computer science and leading to new research perspectives.
no code implementations • 9 Jul 2021 • Rolandos Alexandros Potamias, Georgios Siolas, Andreas - Georgios Stafylopatis
Recognition and classification of Figurative Language (FL) is an open problem of Sentiment Analysis in the broader field of Natural Language Processing (NLP) due to the contradictory meaning contained in phrases with metaphorical content.
1 code implementation • 11 May 2021 • Michail Chatzianastasis, George Dasoulas, Georgios Siolas, Michalis Vazirgiannis
Neural Architecture Search (NAS) has recently gained increased attention, as a class of approaches that automatically searches in an input space of network architectures.
no code implementations • 9 Apr 2021 • Dimitra Koumoutsou, Eleni Charou, Georgios Siolas, Giorgos Stamou
This paper introduces the Class-wise Principal Component Analysis, a supervised feature extraction method for hyperspectral data.
no code implementations • SEMEVAL 2020 • Anastasios Arsenos, Georgios Siolas
This paper describes the NTUAAILS submission for SemEval 2020 Task 11 Detection of Propaganda Techniques in News Articles.
no code implementations • LREC 2020 • Ioannis Koulierakis, Georgios Siolas, Eleni Efthimiou, Evita Fotinea, Andreas-Georgios Stafylopatis
In this paper we report on a research effort focusing on recognition of static features of sign formation in single sign videos.
1 code implementation • 23 Nov 2019 • Rolandos Alexandros Potamias, Georgios Siolas, Andreas - Georgios Stafylopatis
Figurative Language (FL) seems ubiquitous in all social-media discussion forums and chats, posing extra challenges to sentiment analysis endeavors.
no code implementations • SEMEVAL 2019 • Rol Potamias, os Alex, Alex Neofytou, ros, Georgios Siolas
As online customer forums and product comparison sites increase their societal influence, users are actively expressing their opinions and posting their recommendations on their fellow customers online.
no code implementations • SEMEVAL 2019 • Rol Potamias, os Alex, ros, Georgios Siolas
Sentiment analysis (SA) in texts is a well-studied Natural Language Processing task, which in nowadays gains popularity due to the explosion of social media, and the subsequent accumulation of huge amounts of related data.
2 code implementations • 22 Jun 2017 • Georgios Alexandridis, Georgios Siolas, Andreas Stafylopatis
Neural language processing models, on the other hand, have already found application in recommender systems, mainly as a means of encoding user preference data, with the actual textual description of items serving only as side information.