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VLDB
1999
ACM
124views Database» more  VLDB 1999»
15 years 8 months ago
Cost Models DO Matter: Providing Cost Information for Diverse Data Sources in a Federated System
An important issue for federated systems of diverse data sources is optimizing cross-source queries, without building knowledge of individual sources into the optimizer. This pape...
Mary Tork Roth, Fatma Ozcan, Laura M. Haas
IPAW
2010
15 years 1 months ago
Towards a Threat Model for Provenance in e-Science
Abstract. Scientists increasingly rely on workflow management systems to perform large-scale computational scientific experiments. These systems often collect provenance informatio...
Luiz M. R. Gadelha Jr., Marta Mattoso, Michael Wil...
JUCS
2007
103views more  JUCS 2007»
15 years 4 months ago
HME: a Handheld Model Editor for Educational Contexts
: Handheld devices are becoming more and more popular in education. Educational simulation and modelling are not new soil, but for handhelds they are still much under explored. Due...
Maria José Marcelino
IEAAIE
2010
Springer
15 years 2 months ago
Modelling Greed of Agents in Economical Context
Abstract. A classical debate in economics addresses the advantages and drawbacks of modelling from a macroeconomics perspective as opposed to modelling from a microeconomics perspe...
Tibor Bosse, Ghazanfar F. Siddiqui, Jan Treur
IV
2008
IEEE
182views Visualization» more  IV 2008»
15 years 11 months ago
3D Generalization Lenses for Interactive Focus + Context Visualization of Virtual City Models
Focus + context visualization facilitates the exploration of complex information spaces. This paper proposes 3D generalization lenses, a new visualization technique for virtual 3D...
Matthias Trapp, Tassilo Glander, Henrik Buchholz, ...