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mWater: a Sandbox for Agreement Technologies

by Antonio Garrido Aadriana Giret A, Pablo Noriega B
"... Abstract. The management of natural resources is an intricate and consequential task. In particular, water management is at the forefront of public policy priorities in many countries because of its growing scarcity and its considerable economic and social implications. At the core of water policy i ..."
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is intended as a sophisticated simulator of the demand component of a basin for the design and testing of water management policies, as a test case for a potential actual market and as a sandbox for the development of agreement technologies. This paper outlines the aims of the mWater system, describes its

Cloud Computing and Emerging IT Platforms: Vision, Hype, and Reality for Delivering Computing as the 5th Utility

by Rajkumar Buyya, Chee Shin Yeo, Srikumar Venugopal, James Broberg, Ivona Brandic , 2008
"... With the significant advances in Information and Communications Technology (ICT) over the last half century, there is an increasingly perceived vision that computing will one day be the 5th utility (after water, electricity, gas, and telephony). This computing utility, like all other four existing u ..."
Abstract - Cited by 656 (63 self) - Add to MetaCart
With the significant advances in Information and Communications Technology (ICT) over the last half century, there is an increasingly perceived vision that computing will one day be the 5th utility (after water, electricity, gas, and telephony). This computing utility, like all other four existing

Optimistic replication

by Yasushi Saito, Marc Shapiro - ACM COMPUTING SURVEYS , 2005
"... Data replication is a key technology in distributed data sharing systems, enabling higher availability and performance. This paper surveys optimistic replication algorithms that allow replica contents to diverge in the short term, in order to support concurrent work practices and to tolerate failure ..."
Abstract - Cited by 290 (19 self) - Add to MetaCart
Data replication is a key technology in distributed data sharing systems, enabling higher availability and performance. This paper surveys optimistic replication algorithms that allow replica contents to diverge in the short term, in order to support concurrent work practices and to tolerate

Global and regional climate changes due to black carbon,

by V Ramanathan , G Carmichael - Nat. Geosci., , 2008
"... Figure 1: Global distribution of BC sources and radiative forcing. a, BC emission strength in tons per year from a study by Bond et al. Full size image (42 KB) Review Nature Geoscience 1, 221 -227 (2008 Black carbon in soot is the dominant absorber of visible solar radiation in the atmosphere. Ant ..."
Abstract - Cited by 228 (5 self) - Add to MetaCart
with wavelengths from near-infrared (1 m) to ultraviolet wavelengths with a power law of one to three depending on the source 3, 25 , thus giving the brownish colour to the sky. Unlike the greenhouse effect of CO2, which leads to a positive radiative forcing of the atmosphere and at the surface 26 with moderate

The NIST Model for Role-Based Access Control: Towards A Unified Standard

by Ravi Sandhu, David Ferraiolo , Richard Kuhn
"... This paper describes a unified model for role-based access control (RBAC). RBAC is a proven technology for large-scale authorization. However, lack of a standard model results in uncertainty and confusion about its utility and meaning. The NIST model seeks to resolve this situation by unifying ideas ..."
Abstract - Cited by 198 (3 self) - Add to MetaCart
This paper describes a unified model for role-based access control (RBAC). RBAC is a proven technology for large-scale authorization. However, lack of a standard model results in uncertainty and confusion about its utility and meaning. The NIST model seeks to resolve this situation by unifying

From Sandbox to Playground: Dynamic Virtual Environments

by Katarzyna Keahey, Karl Doering, Ian Foster - in the Grid. 5th International Workshop in Grid Computing
"... Much experience has been gained with the protocols and mechanisms needed for discovery and allocation of remote computational resources. However, the preparation of a remote computer for use by a distributed application also requires the creation of an appropriate execution environment, which remain ..."
Abstract - Cited by 67 (5 self) - Add to MetaCart
to negotiate creation, monitor properties, and manage lifetime. We also show how such DVEs can be implemented in a variety of technologies— sandboxes, virtual machines, or simply Unix accounts—and evaluate costs associated with these different approaches. DVEs provide a basis for both customization of a remote

Trade liberalization, exports and technology upgrading: evidence on the impact of MERCUSOR on Argentinean firms, American Economic Review, forthcoming

by Paula Bustos, Elsa V. Artadi, Thomas Chaney, Pascaline Dupas, Antara Dutta, Doireann Fitzgerald , 2010
"... This paper studies the impact of a regional free trade agreement, MERCOSUR, on technology upgrading by Argentinean firms. To guide empirical work, I introduce technology choice in Melitz’s (2003) model of trade with heterogeneous firms. The joint treatment of the technology adoption and exporting ch ..."
Abstract - Cited by 181 (0 self) - Add to MetaCart
This paper studies the impact of a regional free trade agreement, MERCOSUR, on technology upgrading by Argentinean firms. To guide empirical work, I introduce technology choice in Melitz’s (2003) model of trade with heterogeneous firms. The joint treatment of the technology adoption and exporting

Tropospheric aerosol optical thickness from the GOCART model and comparisons with satellite and sunphotometer measurements

by Mian Chin, Paul Ginoux, Stefan Kinne, Omar Torres, Brent N. Holben, Bryan N. Duncan, Randall V. Martin, Jennifer A. Logan, Akiko Higurashi - J. Atmos. Sci , 2002
"... The Georgia Institute of Technology–Goddard Global Ozone Chemistry Aerosol Radiation and Transport (GOCART) model is used to simulate the aerosol optical thickness � for major types of tropospheric aerosols including sulfate, dust, organic carbon (OC), black carbon (BC), and sea salt. The GOCART mod ..."
Abstract - Cited by 196 (33 self) - Add to MetaCart
agreement within a factor of 2 over the aerosol source areas and outflow regions. While there are clear differences among the satellite products, a major discrepancy between the model and the satellite data is that the model shows a stronger variation of � from source to remote regions. Quantitative

On the design of mwater: a case study for agreement technologies

by Vicente Botti, Antonio Garrido, Adriana Giret, Francesc Igual, Pablo Noriega, Politècnica De Valencia - In Proc. of the 7th European Workshop on Multi-Agent Systems (EUMAS , 2009
"... Abstract. The water management problem is at the forefront of pub-lic policy priorities in many countries because of the growing scarcity of water and its considerable economic and social implications. At the core of water policy is the need to foster a more rational use of the re-source, and one wa ..."
Abstract - Cited by 2 (2 self) - Add to MetaCart
objectives of the many stakeholders involved. We are approaching this problem by building an open multi-agent system, mWater, that is designed as a regulated environment where autonomous agents trade rights for the use of water in a closed basin, and resolve the conflicts derived from the trading and use

Fostering Entrepreneurship in the CIS Sandbox

by Mark Frydenberg
"... A fresh coat of paint and new furniture were the obvious external changes to an eleven-year-old computer lab at Bentley University when it was renovated in 2011. More difficult than changing the outward appearance of the room was changing the perceptions of what happens inside. The facility had a re ..."
Abstract - Cited by 2 (1 self) - Add to MetaCart
and Technology Sandbox where student lab assistants are employed as staff of a startup company, whose responsibilities include not only tutoring, but managing the technology and business infrastructure, publicity, and day-to-day operations of the facility. Students who frequent the facility go for tutoring
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