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Opportunistic sampling-based query processing in wireless sensor networks

Muhammad Umer, Egemen Tanin, Lars Kulik
2012 Geoinformatica  
High resolution sampling of physical phenomenon is a prime application of large scale wireless sensor networks (WSNs).  ...  We model the data communication process in a WSN and show that opportunistic sampling during data communication leads to surprisingly accurate global knowledge at each node.  ...  Introduction Localized information processing is a hallmark of wireless sensor network (WSN) technology.  ... 
doi:10.1007/s10707-012-0170-y fatcat:racwptpuc5gelpn6oiprivklna

Big Data in Ubiquitous Wireless Sensor Networks

Fu Xiao, Chongsheng Zhang, Zhijie Han
2014 International Journal of Distributed Sensor Networks  
The paper "Hybrid ant algorithm based query processing with multiagents in sensor networks" investigates query processing problem in resource-constrained Wireless Sensor Networks with two-tier architecture  ...  system integrity in Wireless Sensor Networks.  ...  The paper "Hybrid ant algorithm based query processing with multiagents in sensor networks" investigates query processing problem in resource-constrained Wireless Sensor Networks with two-tier architecture  ... 
doi:10.1155/2014/781729 fatcat:g7khqax7xjacrkutbcmuz24rga

Opportunistic sampling in wireless sensor networks

Muhammad Umer, Egemen Tanin, Lars Kulik
2009 Proceedings of the 17th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems - GIS '09  
In an active WSN where user queries are regularly processed, a significant proportion of nodes relay and overhear data generated by other nodes in the network.  ...  This global knowledge can greatly improve numerous WSN applications when used in data validation, event detection, and query optimization.  ...  INTRODUCTION Localized information processing is a hallmark of wireless sensor network (WSN) technology.  ... 
doi:10.1145/1653771.1653852 dblp:conf/gis/UmerTK09 fatcat:25rivounvbd3zashdbkinpi25a

Mobile Sensing and Data Management for Sensor Networks 2014

Jianwei Niu, Lei Shu, Zhangbing Zhou, Yan Zhang
2015 International Journal of Distributed Sensor Networks  
sensor networks, which can sense and collect sensory data anytime and anywhere.  ...  Recent years have witnessed the rapid development of the Internet of Things, sensor cloud, mobile Internet, more and more mobile devices, such as smart phones, Google glasses, and RFID, plus deployed various  ...  query processing methods implemented in their sensor network database system.  ... 
doi:10.1155/2015/278146 fatcat:zpyncnn375fdbey7v756eizg3m

Selected Papers from "The 6th China Conference of Wireless Sensor Networks"

Fu Xiao, Ruchuan Wang, Limin Sun, Qun Li, Hongwei Zhang, Liusheng Huang
2013 International Journal of Distributed Sensor Networks  
The paper "A virtual-ring-based data storage and retrieval scheme in wireless sensor networks" proposes a virtual-ringbased data storage and retrieval scheme, which is called VRS,  ...  The paper "Two-layer storage scheme and repair method of failure data in wireless sensor networks" describes a twolayer distributed data storage scheme in wireless sensor networks.  ...  of event and query into consideration for wireless sensor networks.  ... 
doi:10.1155/2013/746171 fatcat:2vipgypeerctrgzygmqvjntdja

Tracking of Victim Persons using WSN

Gandhiraj S, Ramkumar R, Ramesh S M
2015 IARJSET  
This paper describes a prototype of a wireless sensor network developed for tracking pilgrims in the Holy areas during Hajj (Pilgrimage). A delay tolerant network principle is used.  ...  Every pilgrim will be given a mobile sensor unit that includes a GPS unit, a Microcontroller, antennas and a battery. A network of fixed master units is installed in the Holy area.  ...  SYSTEM DESIGN AND WIRELESS SENSOR NETWORKS During the past decade, there has been a lot of attention on Wireless Sensor Networks (WSN) from the research community.  ... 
doi:10.17148/iarjset.2015.2310 fatcat:zlssa4o3bva2no75zzzeibnf6e

Urban sensing systems

Nicholas D. Lane, Shane B. Eisenman, Mirco Musolesi, Emiliano Miluzzo, Andrew T. Campbell
2008 Proceedings of the 9th workshop on Mobile computing systems and applications - HotMobile '08  
In this paper, we provide preliminary analysis which supports this conjecture, and outline techniques we are developing in support of opportunistic sensing systems. ‡ We raise the issue of the need for  ...  We contrast two end-points of the spectrum of conscious human involvement, namely participatory sensing, and opportunistic sensing.  ...  We have contrasted two potential roles of sensor custodians in urban sensing systems.  ... 
doi:10.1145/1411759.1411763 dblp:conf/wmcsa/LaneEMMC08 fatcat:k52wg4vfkrdk5f5pkx2xm2h2fa

An Application of Context Middleware Based on Fuzzy Logic for Wireless Sensor Networks

Ye NING, Ruchuan WANG, Shouming MA, Zhili WANG
2009 Wireless Sensor Network  
The research of context-aware computing based on wireless sensor network (WSN) aims at intelligently connecting computers, users, and environment.  ...  In this paper we propose middleware architecture for context processing. This architecture is based on fuzzy logic control (FLC) system for context reasoning and sensor fusion.  ...  With the development of wireless sensor networks (WSNs), the space and physical context information can be obtained by a large number of sensor nodes.  ... 
doi:10.4236/wsn.2009.15045 fatcat:5g65pvloobfyvh5dmiitjek77y

Data management in the CarTel mobile sensor computing system

V. Bychkovsky, S. Madden, K. Chen, M. Goraczko, H. Hu, B. Hull, A. Miu, E. Shih, Y. Zhang, H. Balakrishnan
2006 Proceedings of the 2006 ACM SIGMOD international conference on Management of data - SIGMOD '06  
., WiFi), they opportunistically attempt to relay data via the Internet. Mules will also opportunistically forward data to each other when they are in the same wireless neighborhood.  ...  Continuous queries that read in low-level attributes and process them.  ... 
doi:10.1145/1142473.1142569 dblp:conf/sigmod/BychkovskyCGHHMSZBM06 fatcat:yocqvasz55ca5jrzk477l32aiy

A survey of urban vehicular sensing platforms

Uichin Lee, Mario Gerla
2010 Computer Networks  
Thus, we review key results by carefully examining and explaining the evaluation methodology, in the process gaining insight into vehicular sensor network design.  ...  In this paper we survey recent vehicular sensor network developments and identify new trends.  ...  In general, a vehicular sensor network (VSN) platform provides a means of collecting/processing/accessing sensor data.  ... 
doi:10.1016/j.comnet.2009.07.011 fatcat:jbbzpx6bvnaozizfmbuj3emcqe

Sensor Abstractions for Opportunistic Activity and Context Recognition Systems [chapter]

Marc Kurz, Alois Ferscha
2010 Lecture Notes in Computer Science  
of sensors based on their sensing mission contribution potentials.  ...  An opportunistic sensor software architecture has been implemented, reversing former architecture principles (e.g. fusion of all available sensors) into a spontaneous, selective, utility driven involvement  ...  The main contribution of TAG is the expression of declarative queries that are distributed and executed in wireless sensor networks.  ... 
doi:10.1007/978-3-642-16982-3_11 fatcat:6zlum727ynbqfkrfkyuuy6qb3m

The CarTel mobile sensor computing system

V. Bychkovsky, S. Madden, K. Chen, M. Goraczko, H. Hu, B. Hull, A. Miu, E. Shih, Y. Zhang, H. Balakrishnan
2006 Proceedings of the 4th international conference on Embedded networked sensor systems - SenSys '06  
Data is aggregated and queries are processed using a simple stream-processing engine.  ...  Opportunistic data transfers: We rent a car and instrument it with a CarTel node in it.  ... 
doi:10.1145/1182807.1182866 dblp:conf/sensys/BychkovskyCGHHMSZBM06 fatcat:6iplxy33uzgulfzlkyntk3vetu

Dynamic Task Planning of Aerial Robotic Platforms for Ground Sensor Data Collection and Processing [chapter]

Grigore Stamatescu, Dan Popescu, Cristian Mateescu
2015 Advances in Intelligent Systems and Computing  
The adoption of wireless sensor network systems is becoming widespread in critical large-scale monitoring applications.  ...  The paper discusses the opportunity for in-network pre-processing of sensor data for local UAV task planning in order to increase the efficiency of the data collection process.  ...  The integration of tens to thousands of wireless sensor nodes, which have the task of periodically sampling a process or set of process variables, and to communicate the data via low-power links towards  ... 
doi:10.1007/978-3-319-21290-6_40 fatcat:6kyaghtwcnctth5oqet5xp4b54

Cognitive radio sensor networks

Ozgur Akan, Osman Karli, Ozgur Ergul
2009 IEEE Network  
Clearly, it is conceivable to adopt cognitive radio capability in sensor networks, which, in turn yields a new sensor networking paradigm, i.e., cognitive radio sensor networks (CRSN).  ...  Index Terms-Cognitive radio, sensor networks, opportunistic spectrum access, efficient spectrum sensing.  ...  In this paper, we investigated cognitive radio sensor networks; a new sensor networking paradigm formed by adopting cognitive radio capabilities in wireless sensor networks.  ... 
doi:10.1109/mnet.2009.5191144 fatcat:fcpt2jluunagxl3ryzrdx6w6iu

Energy Efficient Methods for Topology Control Problem of Wireless Sensor Network

2019 International journal of recent technology and engineering  
Energy conservation in sensor networks is depending on duty cycle, data driven and mobility-based methods.  ...  Data driven methods employs in-network processing, data aggregation and hierarchical sampling methods for minimizing the energy utilization.  ...  a promising method to attain energyefficiency in wireless sensor networks (WSNs).  ... 
doi:10.35940/ijrte.b2644.078219 fatcat:u6fpmnyzurcinfbz5nq2353npi
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