Lectures / Seminars

Public consultation using Web 2.0 technologies: The Greek case

In times of crisis, as the crisis of democracy that emerged the last decades, the internet and information and communication technology added their own impact in modern proposals for remedying the shortcomings of representative democracy. The purpose of this study is to examine the operation of the public consultation platform OpenGov, the efficiency with which it has been used until today, and the feasibility of using argument visualization tools for improving the quality of consultation.

Smart Antennas and Interference Mitigation Techniques in Cognitive Radio Networks

Smart antennas in the form of beam-forming, spatial multiplexing and MIMO have been widely used in wireless communication networks to enhance data rates, increase coverage and mitigate interference. Various communication standards such as WiMAX and LTE support the use of multiple antennas to enhance quality of transmission and reception of signals. As smart antennas exploit the spatial dimension to increase network capacity, this has been considered as a promising technique to meet ever increasing demand on radio spectrum.

Query expansion using knowledge organisation systems: requirements for natural language processing

The purpose of this presentation is to outline the requirements for natural language processing (NLP) when using knowledge organisation systems (KOS) for query expansion (QE). Knowledge organisation systems such as Term lists (authority files, glossaries, dictionaries, gazetteers), Classification and Categories (classification scheme, taxonomy, subject headings) and Relationship lists (thesaurus, semantic network, ontology) are common tools for query expansion.

Research & Educational Activities at the Department of Financial and Management Engineering, School of Management, University of the Aegean (Chios)

Research and education activities in the Department of Financial and Management Engineering (FME), University of the Aegean, Chios, Greece) will be briefly presented, including undergraduate and postgraduate studies doctoral research, and national / international funded research programs of the FME Dept. There will be special focus in the research and education activities of the Management and Decision Engineering Laboratory MDE-Lab). Concluding, the research findings from two doctoral dissertations elaborated recently within the MDE-Lab will be given.

A web application for analysing and mining information in government data

We will present "gov.insight", a web application that is being developed at the Institute of Informatics and Telecommunications, NCSR "Demokritos". The aim of "gov.insight" is to analyse, process and present government data, as well as further mine information, by exploiting methods and techniques that have been developed by the Institute of Informatics and Telecommunications, as well as by other organizations or enterprises.

Multi-view Clustering

The most common scenario in the machine learning setting is to represent data by a single vector, or graph space. However, in real life, multi-modal datasets exist. Each instance in these datasets has multiple representations (views) from various feature spaces. How to effectively combine all views in order to boost the efficacy of machine learning algorithms has led to the emergence of a new research area, called multi-view learning. This talk will focus on the clustering of multi-view data, providing useful insights into the problem and some novel multi-view approaches will be presented.

From NOOTROPIA to NOOWIT: how a model became a minimum viable product

NOOWIT is an online magazine that adapts to a user's personal interests, the social trends and even to the browser's window. It is the result of more than ten years of research and development in the domain of Adaptive Information Filtering. NOOWIT is based on NOOTROPIA, a biologically-inspired model that can represent a user's (or a group's) multiple interests, it can continuously adapt to changes in them over time and can evaluate any type of information accordingly.

Research results exploitation under a new perspective: SciFY

The exploitation of research outcomes is now, perhaps more than ever, a necessity and an opportunity. We will discuss how an idea on cutting-edge scientific result exploitation has been built and is being implemented, under a crowd-funding perspective. We will comment on how this effort appears to flourish in a difficult socio-economic environment. We will describe how a new perspective for scientific result exploitation has paved the road to a variety of open and freely accessible products, based on such scientific domains as:

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