Information Technology

24

GEOINFO
2007

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Model Selection for a Class of Spatio-temporal Models for Areal Data

13 years 10 months ago

Abstract. We present a method to perform model selection based on predictive density in a class of spatio-temporal dynamic generalized linear models for areal data. These models as...

Juan C. Vivar, Marco A. R. Ferreira

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39

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SIROCCO
2010

189views Information Technology» more SIROCCO 2010»

Algorithms for Extracting Timeliness Graphs

13 years 10 months ago

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We consider asynchronous message-passing systems in which some links are timely and processes may crash. Each run defines a timeliness graph among correct processes: (p, q) is an e...

Carole Delporte-Gallet, Stéphane Devismes, ...

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22

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GEOINFO
2007

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Continuous Interaction with TDK: Improving the User Experience in Terralib

13 years 10 months ago

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Historically, visual display has always played a very important role in GIS applications. However, visual exploration tools do not scale well when applied to huge spatial data sets...

Marcelo Metello, Mário de Sá Vera, M...

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26

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GEOINFO
2007

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Desenvolvimento de SIG para Web utilizando MDA

13 years 10 months ago

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This work aims at increasing the development productivity of the Geographic Information Systems through the MDA. We defined an UML extension which adds geographic information to th...

Carlos Eduardo R. de Mello, Geraldo Zimbrão...

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26

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SIROCCO
2010

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Traffic Grooming in Star Networks via Matching Techniques

13 years 10 months ago

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The problem of grooming is central in studies of optical networks. In graph-theoretic terms, it can be viewed as assigning colors to given paths in a graph, so that at most g (the ...

Ignasi Sau, Mordechai Shalom, Shmuel Zaks

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19

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GEOINFO
2007

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An Efficient Algorithm to Compute the Viewshed on DEM Terrains Stored in the External Memory

13 years 10 months ago

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Mirella A. Magalhães, Salles V. G. Magalh&a...

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26

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SIROCCO
2010

148views Information Technology» more SIROCCO 2010»

Average Long-Lived Memoryless Consensus: The Three-Value Case

13 years 10 months ago

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Abstract. We study strategies that minimize the instability of a faulttolerant consensus system. More precisely, we find the strategy than minimizes the number of output changes ov...

Ivan Rapaport, Eric Rémila

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22

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SIROCCO
2010

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Towards Network Games with Social Preferences

13 years 10 months ago

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Many distributed systems can be modeled as network games: a collection of selfish players that communicate in order to maximize their individual utilities. The performance of such ...

Petr Kuznetsov, Stefan Schmid

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31

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SIROCCO
2010

156views Information Technology» more SIROCCO 2010»

On the Impact of Local Taxes in a Set Cover Game

13 years 10 months ago

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Given a collection C of weighted subsets of a ground set E, the set cover problem is to find a minimum weight subset of C which covers all elements of E. We study a strategic game ...

Bruno Escoffier, Laurent Gourvès, Jé...

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21

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GEOINFO
2007

72views Information Technology» more GEOINFO 2007»

Improvements to Expectation-Maximization Approach for Unsupervised Classification of Remote Sensing Data

13 years 10 months ago