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ICDT
2010
ACM
163views Database» more  ICDT 2010»
13 years 9 months ago
Composing Local-As-View Mappings
Schema mapping composition is a fundamental operation in schema management and data exchange. The mapping composition problem has been extensively studied for a number of mapping ...
Patricia Arocena, Ariel Fuxman, Renee Miller
PODS
2008
ACM
141views Database» more  PODS 2008»
14 years 10 months ago
On the complexity of deriving schema mappings from database instances
We introduce a theoretical framework for discovering relationships between two database instances over distinct and unknown schemata. This framework is grounded in the context of ...
Pierre Senellart, Georg Gottlob
EUROPAR
2009
Springer
14 years 4 months ago
Process Mapping for MPI Collective Communications
It is an important problem to map virtual parallel processes to physical processors (or cores) in an optimized way to get scalable performance due to non-uniform communication cost...
Jin Zhang, Jidong Zhai, Wenguang Chen, Weimin Zhen...
VR
2007
IEEE
153views Virtual Reality» more  VR 2007»
14 years 4 months ago
Joystick mapped Augmented Reality Cues for End-Effector controlled Tele-operated Robots
End-effector control of robots using just remote camera views is difficult due to lack of perceived correspondence between the joysticks and the end-effector coordinate frame. Thi...
Aditya Nawab, Keshav Chintamani, R. Darin Ellis, G...
FSTTCS
2007
Springer
14 years 4 months ago
On Simulatability Soundness and Mapping Soundness of Symbolic Cryptography
Abstract. The abstraction of cryptographic operations by term algebras, called DolevYao models or symbolic cryptography, is essential in almost all tool-supported methods for provi...
Michael Backes, Markus Dürmuth, Ralf Küs...