no code implementations • 3 Mar 2022 • Eleni Kamateri, Vasileios Stamatis, Konstantinos Diamantaras, Michail Salampasis
Therefore, there is a need for this code assignment manual task to be supported or even fully automated by classification systems that will classify patent applications, hopefully with an accuracy close to patent professionals.
no code implementations • 22 Jun 2021 • Marina Delianidi, Michail Salampasis, Konstantinos Diamantaras, Theodosios Siomos, Alkiviadis Katsalis, Iphigenia Karaveli
We present a graph-based approach for the data management tasks and the efficient operation of a system for session-based next-item recommendations.
1 code implementation • 1 Jun 2021 • Marina Delianidi, Konstantinos Diamantaras, George Chrysogonidis, Vasileios Nikiforidis
Since the next response is a function of the knowledge state of the student and this, in turn, is a function of their previous responses and the skills associated with the previous questions, we propose a two-part network architecture.
no code implementations • 9 Feb 2021 • Konstantinos Diamantaras, Zhaoyi Xu, Athina Petropulu
MIMO transmit arrays allow for flexible design of the transmit beampattern.
no code implementations • 18 Jan 2021 • Zhaoyi Xu, Fan Liu, Konstantinos Diamantaras, Christos Masouros, Athina Petropulu
In this paper, we propose an energy-efficient radar beampattern design framework for a Millimeter Wave (mmWave) massive multi-input multi-output (mMIMO) system, equipped with a hybrid analog-digital (HAD) beamforming structure.
no code implementations • 29 Nov 2015 • Panagiotis Stalidis, Maria Giatsoglou, Konstantinos Diamantaras, George Sarigiannidis, Konstantinos Ch. Chatzisavvas
Automated sentiment analysis and opinion mining is a complex process concerning the extraction of useful subjective information from text.