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Dive into the research topics where Leon Dragić is active.

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Featured researches published by Leon Dragić.


digital systems design | 2017

MANGO: Exploring Manycore Architectures for Next-GeneratiOn HPC Systems

Jose Flich; Giovanni Agosta; Philipp Ampletzer; David Alonso; Carlo Brandolese; Etienne Cappe; Alessandro Cilardo; Leon Dragić; Alexandre Dray; Alen Duspara; William Fornaciari; Gerald Guillaume; Ynse Hoornenborg; Arman Iranfar; Mario Kovac; Simone Libutti; Bruno Maitre; José María Torralba Martínez; Giuseppe Massari; Hrvoje Mlinaric; Ermis Papastefanakis; Tomas Picornell; Igor Piljić; Anna Pupykina; Federico Reghenzani; Isabelle Staub; Rafael Tornero; Marina Zapater; Davide Zoni

The Horizon 2020 MANGO project aims at exploring deeply heterogeneous accelerators for use in High-Performance Computing systems running multiple applications with different Quality of Service (QoS) levels. The main goal of the project is to exploit customization to adapt computing resources to reach the desired QoS. For this purpose, it explores different but interrelated mechanisms across the architecture and system software. In particular, in this paper we focus on the runtime resource management, the thermal management, and support provided for parallel programming, as well as introducing three applications on which the project foreground will be validated.


international conference on telecommunications | 2015

Using Togaf for Building a National Implementation Strategy for E-Health Services and Technologies in Burundi

Vlado Sruk; Stefan Kirn; Mario Kovac; Elvira Foteva; Frank Verbeke; Peter Stanchev; Hrvoje Mlinaric; Ayse Keles; Martin Riekert; Wieslawa Gryncewicz; Sandrine Kaze; Marc Premm; Kazimierz Frączkowski; Martin Žagar; Robert Kutera; Marc Nyssen; Petar Franček; Achim Klein; Krzysztof Sikora; Giovanni simonini; Ustun Yildiz; Igor Piljić; Ronald Buyl; Karol Kozak; Etienne Mugisho; Maja Leszczyńska; Frederik Questier; Marcin Zaremba; Adrianna Nizinska; Leon Dragić

In order to better align existing and future ICT implementations in the health domain with the strategic options defined by the National Plan for Health Development, the Ministry of Health (MoH) of Burundi initiated in 2014 the development of a national e-health enterprise architecture based on the TOGAF methodology. A first part of the development cycle consisted of a detailed analysis of regulatory documents and strategic plans related to the Burundian health system. In a second part, semi-structured interviews were organized with a representative sample of relevant MoH health structures. The study demonstrated the donor driven unequal distribution of hardware equipment over health administration components and health facilities. Internet connectivity remains problematic and few health oriented business applications found their way to the Burundian health system. Paper based instruments remain predominant in Burundi’s health administration. The study also identified a series of problems introduced by the uncoordinated development of health ICT in Burundi such as the lack of standardization, data security risks, varying data quality, inadequate ICT infrastructures, an unregulated e-health sector and insufficient human capacity. The results confirm the challenging situation of the Burundian health information system but they also expose a number of bright spots that provide hope for the future: a political will to reclaim MoH leadership in the health information management domain, the readiness to develop e-health education and training programs and the opportunity to capitalize the experiences with DHIS2 deployment, results based financing monitoring and hospital information management systems implementation.


communication systems and networks | 2014

Power consumption and bandwidth savings with video transcoding to mobile device-specific spatial resolution

Leon Dragić; Daniel Hofman; Mario Kovac; Martin Zagar; Josip Knezović

Usage of mobile devices for multimedia content playback is drowning the battery power rapidly. High quality videos which are streamed from the internet are power consuming and demand high network bandwidth. We measured the power consumption and bitrate of video sequences in respect to different spatial resolutions and used acceptability-based Quality of Experience (QoE) model for determining the impact of video resolution on QoE. The results showed that both power and bandwidth can be saved without noticeable reduction in QoE when transcoding video to a resolution specific to the mobile device instead of using standard video resolutions.


Microprocessors and Microsystems | 2018

Exploring manycore architectures for next-generation HPC systems through the MANGO approach

Jose Flich; Giovanni Agosta; Philipp Ampletzer; David Alonso; Carlo Brandolese; Etienne Cappe; Alessandro Cilardo; Leon Dragić; Alexandre Dray; Alen Duspara; William Fornaciari; Edoardo Fusella; Mirko Gagliardi; Gerald Guillaume; Daniel Hofman; Ynse Hoornenborg; Arman Iranfar; Mario Kovac; Simone Libutti; Bruno Maitre; José María Torralba Martínez; Giuseppe Massari; Koen Meinds; Hrvoje Mlinaric; Ermis Papastefanakis; Tomas Picornell; Igor Piljić; Anna Pupykina; Federico Reghenzani; Isabelle Staub

Abstract The Horizon 2020 MANGO project aims at exploring deeply heterogeneous accelerators for use in High-Performance Computing systems running multiple applications with different Quality of Service (QoS) levels. The main goal of the project is to exploit customization to adapt computing resources to reach the desired QoS. For this purpose, it explores different but interrelated mechanisms across the architecture and system software. In particular, in this paper we focus on the runtime resource management, the thermal management, and support provided for parallel programming, as well as introducing three applications on which the project foreground will be validated.


international symposium elmar | 2015

Bringing generations together: Social network adapted for elders

Igor Piljić; Leon Dragić; Petar Franček; Mario Kovac; Hrvoje Mlinanc; Darko Gvozdanović

Using modern social media solutions requires skills and technical knowledge that elders usually do not possess. In this paper we present social network adapted for elders in order to reconnect them with friends and family. Main features of this social network are platform independent video communication, simple user interface and intuitive navigation. In addition, we integrated e-health service to expand usability of developed social network by providing elders with a content they might find interesting.


international symposium elmar | 2015

Overcoming E-health interoperability obstacles: Integrating PHR and EHR using HL7 CCD

Petar Franček; Igor Piljić; Leon Dragić; Hrvoje Mlinanc; Mario Kovac; Darko Gvozdanović

Reliable e-health system is a backbone of modern society. It is dependent to all constitute components and interaction among them. In this paper EHR and PHR are used for sharing data as an example of major components. Creating communication adapter, an interoperability solution has been proposed. Solution describes gathering data for PHR and, using URL link generated by a third party application, creation of EHR record for referencing medical images. Random link is generated and stored in EHR using CCD without compromising security, integrity or other requests required to operate with medical data.


international symposium elmar | 2015

Home Health Smart TV — Platform for accessing multimedia e-health content

Leon Dragić; Igor Piljić; Petar Franček; Mano Kovac; Hrvoje Mlinanc; Darko Gvozdanović

In this paper we present the novel platform for accessing multimedia e-health content adapted for elders. Health market is filled with different ICT solutions which provide access to the patients healthcare records through patient portals. The problem is that none of them are adapted to elder population. Home Health Smart TV platform was developed in order to solve this issue. Elder population is accustomed to TV devices and with this specially designed platform they can access their medical data in a simple way that does not require computer literacy.


international conference on telecommunications | 2015

Building а National Clinical Data Warehouse

Ronald Buyl; Marc Nyssen; Martin Žagar; Krzysztof Sikora; Antoni Zwiefka; Stefan Kirn; Karol Kozak; Marc Premm; Petar Franček; Etienne Mugisho; Ayse Keles; Wieslawa Gryncewicz; Marcin Zaremba; Elvira Foteva; Leon Dragić; Sven Van Laere; Kazimierz Frączkowski; Ustun Yildiz; Mario Kovac; Darko Gvozdanovic; Martin Riekert; Sandrine Kaze; Frederik Questier; Achim Klein; Maja Leszczyńska; Robert Kutera; Igor Piljić; Vlado Sruk; Giovanni simonini; Hrvoje Mlinaric

Turkey has created an e-health vision along with the Health Transformation Program. In this framework, standard coding systems such as standard definitions of the institutions, databank of healthcare providers, standard disease, drug and medical supplies classifications have been developed and a national clinical data warehouse (Health-NET) was established. Health-NET is an integrated, safe, fast and expandable health information system which aims to improve efficiency and quality of health services by collecting all kinds of data produced in the health institutions in line with the standards and generating information adequate for all stakeholders of the collected data.


international conference on telecommunications | 2015

The Application of PEST Analysis to the Creation of the Profile of na IT Product Designed to Activate and Support Senior Citizens in Poland

Martin Žagar; Petar Franček; Beata Butryn; Marc Nyssen; Frank Verbeke; Mario Kovac; Antoni Zwiefka; Marcin Zaremba; Vlado Sruk; Igor Piljić; Darko Gvozdanovic; Karol Kozak; Sven Van Laere; Hrvoje Mlinaric; Marc Premm; Giovanni simonini; Wieslawa Gryncewicz; Kazimierz Frączkowski; Robert Kutera; Ayse Keles; Martin Riekert; Ustun Yildiz; Leon Dragić; Achim Klein; Krzysztof Sikora; Frederik Questier; Peter Stanchev; Adrianna Nizinska; Maja Leszczyńska; Elvira Foteva

The purpose of the paper is to create a profile of an IT product, using IT tools to collect and to analyse information and enable communication between elderly people to support and activate them. PEST Analysis method was used to determine different factors of influence on the domain of elderly people activation and support Having evaluated the factors and defined the product characteristics, the Authors focused on defining the profile of the IT product by referring the aforementioned characteristics to the structure of the product in the marketing understanding thereof.


international conference on telecommunications | 2015

Interoperability Within E-Health Arena

Marc Nyssen; Antoni Zwiefka; Kazimierz Frączkowski; Petar Franček; Etienne Mugisho; Martin Riekert; Vlado Sruk; Mario Kovac; Sandrine Kaze; Marcin Zaremba; Giovanni simonini; Igor Piljić; Peter Stanchev; Darko Gvozdanovic; Adrianna Nizinska; Maja Leszczyńska; Karol Kozak; Ronald Buyl; Hrvoje Mlinaric; Leon Dragić; Frank Verbeke; Krzysztof Sikora; Sven Van Laere; Marc Premm; Robert Kutera; Ayse Keles; Achim Klein; Frederik Questier; Martin Žagar; Ustun Yildiz

Integrated care that starts with patients taking care for their health, that includes truly multidisciplinary team approach to treating patients’ conditions and that utilizes enormous existing common knowledge in an efficient way, is one big step towards increasing healthcare provisioning quality while in the same time having healthcare cost under control. The foundation of the integrated care is timely availability of comprehensive information for all stakeholders within healthcare processes independent on their location and information system or application they use. The absolute precondition for this is ability of different IT systems / applications to exchange and display information in a way that is not only comprehensible to all stakeholders but also means the same to all of them. This ability is called interoperability. In this paper, overview of different interoperability aspects for electronic healthcare records / personal healthcare records is given. The main standards / initiatives are explained along with some challenges and possible way forward. Index Terms — Electronic Healthcare Record, Personal Healthcare Record, interoperability EN 13606, openEHR, archetype, HL7 CDA, IHE

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Achim Klein

University of Hohenheim

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Marc Premm

University of Hohenheim

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Robert Kutera

Wrocław University of Economics

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Kazimierz Frączkowski

University of Science and Technology

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