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001-es BibID:	BIBFORM062506
Első szerző:	Gál Zoltán (informatikus)
Cím:	Information flow and complex event processing of the sensor network communication / Zoltán Gál, Hunor Sándor, Béla Genge
Dátum:	2015
Megjegyzések:	Research institutes and companies are focusing intensively on Complex Event Processing, Event Stream Processing, Information Flow Processing and Surprise Event Detection methods and algorithms. This phenomenon is intensified by the rapid evolution and spreading in practice of the Internet of Things services. A huge amount of data is created continuously by the physical and logical sensors embedded into various equipment and aimed to monitor the state of physical processes. Time critical query-response mechanisms of the QoS based systems are more and more penetrating in the low bandwidth wireless sensor environment, as well. The behavior of the wireless sensor network requires special evaluation of the state information sent to and processed by the sink node. The items of the status information flow are affected by the low energy and low bandwidth characteristics of sensor networks. Despite of uncertainty of the data transmission in wireless sensor networks the energy constraint permits rarely retransmission of data affected by error. To mitigate the aforementioned issues, cognitive infocommunication algorithms may prove to be an effective solutions. Consequently, this paper presents a method to detect special events and surprises in time processes of the sensor network communication. The proposed method is applied to ZigBee sensor network (based on IEEE 802.15.4 standard) in different congestion scenarios.
ISBN:	978-1-4673-8128-4 978-1-4673-8129-1
Tárgyszavak:	Műszaki tudományok Informatikai tudományok tanulmány, értekezés Information Flow Processing Complex Event Processing Event Stream Processing Surprise Event Detection Internet of Things sensors Wireless Sensor Network wavelet Quality of Service Quality of Experience
Megjelenés:	6th IEEE Conference on Cognitive Infocommunications CogInfoCom 2015 : Proceedings, October 19-21, 2015, Széchenyi István University Győr, Hungary. - p. 467-471. -
További szerzők:	Sándor Hunor Genge Béla
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001-es BibID:	BIBFORM056032
Első szerző:	Genge Béla
Cím:	Enabling software defined networking experiments in networked critical infrastructures / Genge Béla, Gál Zoltán
Dátum:	2014
ISSN:	2286-3184 2285-438X
Megjegyzések:	Nowadays, the fact that Networked Critical Infrastructures (NCI), e.g., power plants, water plants, oil and gas distribution infrastructures, and electricity grids, are targeted by significant cyber threats is well known. Nevertheless, recent research has shown that specific characteristics of NCI can be exploited in the enabling of more efficient mitigation techniques, while novel techniques from the field of IP networks can bring significant advantages. In this paper we explore the interconnection of NCI communication infrastructures with Software Defined Networking (SDN)-enabled network topologies. SDN provides the means to create virtual networking services and to implement global networking decisions. It relies on OpenFlow to enable communication with remote devices and has been recently categorized as the "Next Big Technology", which will revolutionize the way decisions are implemented in switches and routers. Therefore, the paper documents the first steps towards enabling an SDN-NCI and presents the impact of a Denial of Service experiment over traffic resulting from an XBee sensor network which is routed across an emulated SDN network.
Tárgyszavak:	Műszaki tudományok Informatikai tudományok idegen nyelvű folyóiratközlemény külföldi lapban Software Defined Networking, sensors, traffic congestion Tárgyak Internete (IoT)
Megjelenés:	Scientific Bulletin of the "Petru Maior" University of Tîrgu Mureş 11 (XXVIII) : 1 (2014), p. 60-64. -
További szerzők:	Gál Zoltán (1966-) (informatikus)
Pályázati támogatás:	TÁMOP-4.2.2.C-11/1/KONV-2012-0001 TÁMOP Tárgyak Internete és az IPv4/IPv6 rendszerekkel való integrációja
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001-es BibID:	BIBFORM062502
Első szerző:	Sándor Hunor
Cím:	Security assessment of modern data aggregation platforms in the Internet of Things / Hunor Sándor, Béla Genge, Zoltán Gál
Dátum:	2015
ISSN:	2147-0030
Tárgyszavak:	Műszaki tudományok Informatikai tudományok idegen nyelvű folyóiratközlemény külföldi lapban Sensor Data Aggregation Heterogeneous network Threat Analysis Attack Tree
Megjelenés:	International Journal of Information Security Science. - 4 : 3 (2015), p. 92-103. -
További szerzők:	Genge Béla Gál Zoltán (1966-) (informatikus)
Internet cím:	Szerző által megadott URL Intézményi repozitóriumban (DEA) tárolt változat
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