Results 11 to 20 of about 909,603 (328)

Common Representation of Information Flows for Dynamic Coalitions [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2010
We propose a formal foundation for reasoning about access control policies within a Dynamic Coalition, defining an abstraction over existing access control models and providing mechanisms for translation of those models into information-flow domain.
Igor Mozolevsky, John Fitzgerald
doaj   +4 more sources

Population dynamics in compressible flows [PDF]

open access: yesThe European Physical Journal Special Topics, 2012
Organisms often grow, migrate and compete in liquid environments, as well as on solid surfaces. However, relatively little is known about what happens when competing species are mixed and compressed by fluid turbulence. In these lectures we review our recent work on population dynamics and population genetics in compressible velocity fields of one and ...
R Benzi   +5 more
openaire   +5 more sources

Dynamic Spatio-Temporal Graph-Based CNNs for Traffic Flow Prediction

open access: yesIEEE Access, 2020
Forecasting future traffic flows from previous ones is a challenging problem because of their complex and dynamic nature of spatio-temporal structures.
Ken Chen   +10 more
doaj   +1 more source

Analysis of the Static and Dynamic Financial Balance at the Level of Economic Operators

open access: yesCECCAR Business Review, 2023
The financial balance of an economic operator defines the degree of harmonisation between the liquidity of assets and the exigibility of shareholders’ equity and debts, that make up its wealth.
Bogdan Cosmin GOMOI
doaj   +1 more source

On the Flow Dynamics of Polymer Greases

open access: yesLubricants, 2022
In this paper, the flow dynamics of polymer greases was investigated using micro-particle image velocimetry. Polymer greases have a different thickener structure, compared to widely used lithium-based greases, and they have the well-known ability to release oil.
Josep Farré-Lladós   +4 more
openaire   +3 more sources

Application of a Local Dynamic Model of Large Eddy Simulation to a Marine Propeller Wake

open access: yesApplied Sciences, 2023
With recent development of computer technology, the use of large eddy simulation method to solve industrial problems is gaining acceptance. From a theoretical and applied perspective, a local dynamic k-equation subgrid-scale model is applied to study the
Lien Young, Xing Zheng
doaj   +1 more source

Dynamics of Flow: A Nonlinear Perspective [PDF]

open access: yesJournal of Happiness Studies, 2008
The aims of this study are to consider the experience of flow from a nonlinear dynamics perspective. The processes and temporal nature of intrinsic motivation and flow, would suggest that flow experiences fluctuate over time in a dynamical fashion. Thus it can be argued that the potential for chaos is strong.
Ceja, Lucía, Navarro Cid, José
openaire   +3 more sources

An MDP decomposition approach for traffic control at isolated signalized intersections [PDF]

open access: yes, 2008
This article presents a novel approach for the dynamic control of a signalized intersection. At the intersection, there is a number of arrival flows of cars, each having a single queue (lane).
Haijema, R., Wal, J., van der
core   +2 more sources

Multi-class dynamic traffic assignment with link capacity constraints [PDF]

open access: yesمهندسی عمران شریف, 2021
One of the conventional methods for improving the performance of transportation networks is building new highways, which is not considered nowadays as an effective alternative especially for congested urban areas.
B. Javani, A. Babazadeh
doaj   +1 more source

Practical Algorithms for Multicast Support in Input Queues Switches [PDF]

open access: yes, 2006
— This paper deals with multicast flow support in N × N Input Queued switch architectures. A practical approach to support multicast traffic is presented, assuming that O(N) queues are available at each input port.
Bianco, Andrea   +3 more
core   +3 more sources

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