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A Two-Tier Data Dissemination Model for Large-scale Wireless Sensor Networks

by Fan Ye, Haiyun Luo, Jerry Cheng, Songwu Lu, Lixia Zhang , 2002
"... networking. It suggests that information about each mobile sink's location be continuously propagated through the sensor field to keep all sensor nodes updated with the direction of forwarding future data reports. Unfortunately frequent location updates from multiple sinks can lead to both exce ..."
Abstract - Cited by 288 (14 self) - Add to MetaCart
grid structure which enables mobile sinks to continuously receive data on the move by flooding queries within a local cell only. TTDD's design exploits the fact that sensor nodes are stationary and location-aware to construct and maintain the grid structures with low overhead. We have evaluated

Sinks, Stationary Regions and Thoroughfares in Object Mobility Databases

by Florian Verhein, Sanjay Chawla, Florian Verhein, Sanjay Chawla , 2005
"... Abstract. As mobile devices proliferate and networks become more locationaware, the corresponding growth in spatio-temporal data will demand analysis techniques to mine patterns that take into account the semantics of such data. Association Rule Mining (ARM) has been one of the more extensively stud ..."
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-temporal association rules (STARs) that describe how objects move between regions over time. We define support in the spatio-temporal domain to effectively deal with the semantics of such data. We also introduce other patterns that are useful for mobility data; stationary regions and high traffic regions. The latter

the quasi-stationary mean motions

by J. Smagorinsky
"... dynamical influence of large-scale heat sources and sinks on ..."
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dynamical influence of large-scale heat sources and sinks on

Maximizing the Lifetime of Wireless Sensor Networks with Mobile Sink in Delay-Tolerant Applications

by Youngsang Yun, Ye Xia - Mobile Computing, IEEE Transactions on , 2010
"... Abstract—This paper proposes a framework to maximize the lifetime the wireless sensor network (WSN) by using a mobile sink when the underlying applications tolerate delayed information delivery to the sink. Within a prescribed delay tolerance level, each node does not need to send the data immediate ..."
Abstract - Cited by 29 (0 self) - Add to MetaCart
the lifetime of the WSN subject to the delay bound constraints, node energy constraints and flow conservation constraints. We conduct extensive computational experiments on the optimization problems and find that the lifetime can be increased significantly as compared to not only the stationary sink model

Mining spatio-temporal association rules, sources, sinks, stationary regions and thoroughfares in object mobility databases

by Florian Verhein, Sanjay Chawla - of Lecture Notes in Computer Science , 2006
"... Abstract. As mobile devices proliferate and networks become more locationaware, the corresponding growth in spatio-temporal data will demand analysis techniques to mine patterns that take into account the semantics of such data. Association Rule Mining has been one of the more extensively studied da ..."
Abstract - Cited by 22 (3 self) - Add to MetaCart
-temporal association rules (STARs) that describe how objects move between regions over time. We define support in the spatio-temporal domain to effectively deal with the semantics of such data. We also introduce other patterns that are useful for mobility data; stationary regions and high traffic regions. The latter

Hammersley’s process with sources and sinks

by Eric Cator, Piet Groeneboom , 2005
"... We show that, for a stationary version of Hammersley’s process, with Poisson “sources” on the positive x-axis, and Poisson “sinks ” on the positive y-axis, an isolated second class particle, located at the origin at time zero, moves asymptotically, with probability one, along the characteristic of a ..."
Abstract - Cited by 8 (5 self) - Add to MetaCart
We show that, for a stationary version of Hammersley’s process, with Poisson “sources” on the positive x-axis, and Poisson “sinks ” on the positive y-axis, an isolated second class particle, located at the origin at time zero, moves asymptotically, with probability one, along the characteristic

ON STATIONARY DIFFUSION IN HETEROGENEOUS MEDIA

by K. Z. Markov, D. R. S. Talbot, J. R. Willis
"... This work concerns steady state diffusion in a medium containing a random distribution of sinks. The physical properties of the medium are described in terms of geometrical correlation functions, for example, two or three point correlations. Variational principles of classical type are developed and ..."
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This work concerns steady state diffusion in a medium containing a random distribution of sinks. The physical properties of the medium are described in terms of geometrical correlation functions, for example, two or three point correlations. Variational principles of classical type are developed

STP Stationary phase

by Luftu Safak Yilmaz, Wayne S. Kontur, Alison P. S, Ugur Sohmen, Timothy J. Donohue, Daniel R. Noguera, Fum Fumarate, Glc Glucose , 2010
"... Abstract The partitioning of reducing power into different electron-accepting pathways was evaluated during growth and stationary phases of H2-producing Rhodobacter sphaeroides cultures. For this, an electron balance method was developed using the chemical oxygen demand concept to quantitatively ana ..."
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. The other two major electron sinks in the growth phase were cell mass and PHB, while in stationary phase, SMP were accounted for>30 % of the substrate electrons utilized. In general, the largest portion of SMP comprised low-molecular weight (<3 kDa) compounds mostly pro-duced during stationary phase

TTDD: Two-tier Data Dissemination in Large-scale Sensor Networks

by Haiyun Luo, Fan Ye, Jerry Cheng, Songwu Lu, Lixia Zhang - Wireless Networks , 2002
"... Sink mobility brings new challenges to large-scale sensor networking. It suggests that information about each mobile sink's location be continuously propagated through the sensor field to keep all sensor nodes updated with the direction for forwarding data reports. Unfortunately frequent locati ..."
Abstract - Cited by 59 (0 self) - Add to MetaCart
sinks. In TTDD Each data source proactively builds a grid structure which enables mobile sinks to continuously receive data on the move by flooding queries within a local cell only. Exploiting the fact that sensor nodes are stationary and location-aware, TTDD constructs and maintains the grid structures

July 1965 M. Sankar-Rao 41 7 ON THE INFLUENCE OF THE VERTICAL DISTRIBUTION OF STATIONARY HEAT SOURCES AND SINKS IN THE ATMOSPHERE

by M. Sankar-rao
"... Within the framework of a quasi-geostrophic model, the influence of different kinds of vertical profiles of diabatic heating on a stationary harmonic of the atmosphere is studied. Except in the cases in which there is a diabatic heating reversal in the upper layers of the atmosphere, the results sho ..."
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Within the framework of a quasi-geostrophic model, the influence of different kinds of vertical profiles of diabatic heating on a stationary harmonic of the atmosphere is studied. Except in the cases in which there is a diabatic heating reversal in the upper layers of the atmosphere, the results
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