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Floating content: Information sharing in urban areas

Jorg Ott, Esa Hyytia, Pasi Lassila, Tobias Vaegs, Jussi Kangasharju
2011 2011 IEEE International Conference on Pervasive Computing and Communications (PerCom)  
In this paper, we analyze a fully distributed variant of an ephemeral content sharing service, solely dependent on the mobile devices in the vicinity using principles of opportunistic networking.  ...  The net result is a best effort service for floating content in which: 1) information dissemination is geographically limited; 2) the lifetime and spreading of information depends on interested nodes being  ...  This work was supported by TEKES as part of the Future Internet program of TIVIT (Finnish Strategic Centre for Science, Technology and Innovation in the field of ICT).  ... 
doi:10.1109/percom.2011.5767578 dblp:conf/percom/OttHLVK11 fatcat:rurtevvfyjdzzaqstyqwwtux4q

Floating content for probabilistic information sharing

Jörg Ott, Esa Hyytiä, Pasi Lassila, Jussi Kangasharju, Sougata Santra
2011 Pervasive and Mobile Computing  
A set of real world experiments is then used to assess the achievable transmission rates and transmission ranges in such a system.  ...  In contrast, we design and analyze a fully distributed variant of an ephemeral content sharing service, solely dependent on the mobile devices in the vicinity using principles of opportunistic networking  ...  of Finland in the RESMAN project (grant no. 134363).  ... 
doi:10.1016/j.pmcj.2011.09.001 fatcat:xcmrotfe2rdctjl7ucrx4uydgy

Localization in wireless sensor networks: Classification and evaluation of techniques

Ewa Niewiadomska-Szynkiewicz
2012 International Journal of Applied Mathematics and Computer Science  
These devices are networked through setting up a Wireless Sensor Network (WSN).  ...  Localization in wireless sensor networks: Classification and evaluation of techniques Recent advances in technology have enabled the development of low cost, low power and multi functional wireless sensing  ...  From the simulations, it is observed that flip ambiguity is more common for networks with lower connectivity and a small number of anchor nodes.  ... 
doi:10.2478/v10006-012-0021-x fatcat:6qfxolyzxbh2vkgu572q2zsk7y

Intrinsic limitations in mainstream methods of identifying network motifs in biology

James Fodor, Michael Brand, Rebecca J. Stones, Ashley M. Buckle
2020 BMC Bioinformatics  
Present-day methods for the discovery of network motifs, and, indeed, even the methods for defining what they are, are critically reliant on a set of incorrect assumptions, casting a doubt on the scientific  ...  Network motifs may also become pivotal in the rational design and engineering of complex biological systems underpinning the field of synthetic biology.  ...  This proof appears in the SI, and was instrumental in the development of the Anchored Motif concept.  ... 
doi:10.1186/s12859-020-3441-x pmid:32349657 fatcat:23q2mys64zbkriyimgnlvesci4

Visual Analysis of Dynamic Networks Using Change Centrality

P. Federico, J. Pfeffer, W. Aigner, S. Miksch, L. Zenk
2012 2012 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining  
In order to follow the evolution of a network over time, we need to detect not only which nodes and which links change and when these changes occur, but also the impact they have on their neighbourhood  ...  This novel metric, as well as a set of further metrics we derive from it, enable the pairwise comparison of subsequent states of an evolving network in a discrete-time domain.  ...  ACKNOWLEDGMENT Our research is funded by the Austrian Federal Ministry of Transport, Innovation and Technology (FFG 820928) and supported by the Laura Bassi Centre for Visual Analytics Science and Technology  ... 
doi:10.1109/asonam.2012.39 dblp:conf/asunam/FedericoPAMZ12 fatcat:4ahskfzxzjfo7pu642ky6umkh4

Building Mini-Categories in Product Networks [article]

Dmitry Zinoviev and Zhen Zhu and Kate Li
2015 arXiv   pre-print
The structure of the network is dominated by small isolated components, dense clique-based communities, and sparse stars and linear chains and pendants.  ...  We constructed a product network based on the sales data collected and provided by a Fortune 500 speciality retailer.  ...  The authors would like to thank Wharton Customer Analytics Initiative (WCAI) for the provided data set that made this research possible and an anonymous reviewer for the suggestion to use role extraction  ... 
arXiv:1501.02311v2 fatcat:ze226ud7d5grje3vl3rqqpcfyy

A New Perspective on Mobility Management Scenarios and Approaches [chapter]

Tiago Condeixa, Ricardo Matos, Alfredo Matos, Susana Sargento, Rute Sofia
2011 Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering  
Currently and in the future, users demand for ubiquitous network connection to interact with the world.  ...  It also identifies the fundamentals of a user-centric mobility management architecture able to efficiently deal with the dynamicity of the aforementioned scenarios.  ...  The gateway nodes are, from a mobility management perspective, crucial nodes in the sense that the mobility anchor point may be co-located with theses nodes.  ... 
doi:10.1007/978-3-642-21444-8_29 fatcat:r5azjmdjxrhqnn5p5gndl2oqyy

Constrained Cross Entropy Localization Technique for Wireless Sensor Networks

Mohammad Abdul Azim, Zeyar Aung, Weidong Xiao, Vinod Khadkikar
2015 International Journal of Distributed Sensor Networks  
Challenges in wireless sensor networks (WSNs) localization are diverse.  ...  Addressing the challenges in cross entropy (CE) localization utilizing cross entropy optimization technique in turn minimizes the localization error with a reasonable processing cost and provides a balance  ...  using Wireless Sensor Data Analytics  ... 
doi:10.1155/2015/267369 fatcat:5ecyyg4cgreurk4mgplajngfb4

The Boomerang Protocol: Tying Data to Geographic Locations in Mobile Disconnected Networks

Tingting Sun, Bin Zan, Yanyong Zhang, Marco Gruteser
2012 IEEE Transactions on Mobile Computing  
We present the boomerang protocol to efficiently retain information at a particular geographic location in a sparse network of highly mobile nodes without using infrastructure networks.  ...  to the anchor location.  ...  This suggests that many real-world road maps are of small ρ.  ... 
doi:10.1109/tmc.2011.132 fatcat:aksdptt33rdvpbf5do5lvhnuum

HyBloc: Localization in Sensor Networks with Adverse Anchor Placement

King-Yip Cheng, King-Shan Lui, Vincent Tam
2009 Sensors  
The positions of sensors are inferred from the connectivity between sensors and a set of nodes called anchors which know their precise locations.  ...  We develop an algorithm called HyBrid Localization (HyBloc) to provide reliable localization service with a limited number of clustered anchors.  ...  Therefore, a high density of anchors is needed to localize all the nodes in the network. a high density of anchors is needed.  ... 
doi:10.3390/s90100253 pmid:22389598 pmcid:PMC3280744 fatcat:htvgglcugfbxjipuv3bmw3jcl4

Human navigation network: the intrinsic functional organization and behavioral relevance

Xiang-Zhen Kong, Xu Wang, Yi Pu, Lijie Huang, Xin Hao, Zonglei Zhen, Jia Liu
2016 Brain Structure and Function  
a critical role of the RSC in modulating the navigation network in human brain.  ...  We found that navigation networks showed small-world and modular organization at global level.  ...  Science Foundation of China (13&ZD073, 14ZDB160) and Changjiang Scholars Programme of China.  ... 
doi:10.1007/s00429-016-1243-8 pmid:27259585 fatcat:omnwynpznramzekfmn6o2mh7eu

A social network analysis of ICTD conferences (2006–2017)

Maitrayee Mukerji, Unnati Chauhan
2019 Information Technology for Development  
Initially, the research community displayed small-world characteristics but the social network subsequently displays a distinct core-periphery structure.  ...  The International Conference on Information and Communication Technologies and Development (ICTD) was started in 2006 with the objective to build a community of scholars and practitioners from diverse  ...  She aspires to pursue a career in data science and business analytics.  ... 
doi:10.1080/02681102.2019.1685930 fatcat:3kqsziwprzcmbgoc72pkk2cski

Internet of Things in Marine Environment Monitoring: A Review

Guobao Xu, Yanjun Shi, Xueyan Sun, Weiming Shen
2019 Sensors  
This paper presents a review of the application of the Internet of Things in the field of marine environment monitoring.  ...  New technologies including advanced Big Data analytics and their applications in this area are briefly reviewed.  ...  Highly stable small clustering mechanism is used to organize sensor nodes into a connected hierarchy for distributing energy and data traffic load evenly in the network.  ... 
doi:10.3390/s19071711 fatcat:hqiu62x3qrfabicqf4r226a3cy

Localization in Wireless Sensor Networks: A Review

V. Sneha, M. Nagarajan
2020 Cybernetics and Information Technologies  
This paper as a whole is just a brush up of the localization methodologies used in wireless sensor networks.  ...  WSN is built on hundreds to thousands of nodes where each node is a sensor whose main role is to sense data.  ...  All the anchor nodes of the network continue to relay their locations to the regular nodes in their subset.  ... 
doi:10.2478/cait-2020-0044 fatcat:imguy3crdffhnhztphv7saa4ny

Egocentric Network Exploration for Immersive Analytics [article]

Johannes Sorger, Alessio Arleo, Peter Kán, Wolfgang Knecht, Manuela Waldner
2021 arXiv   pre-print
of the user within a 3D network.  ...  In a user study, we evaluated the effect of these interfaces on visual search tasks, efficiency of network traversal, spatial orientation, as well as cyber-sickness.  ...  The types of networks commonly analyzed in network analytics often correspond to small-world networks, e.g., social or financial networks, co-morbidity networks, or metabolic pathways (see Sec. 4.4).  ... 
arXiv:2109.09547v1 fatcat:526sfrmaxbehbjedaxzxyvvbu4
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