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EDBT
2009
ACM
102views Database» more  EDBT 2009»
16 years 2 months ago
On keys, foreign keys and nullable attributes in relational mapping systems
We consider the following scenario for a mapping system: given a source schema, a target schema, and a set of value correspondences between these two schemas, generate an executab...
Luca Cabibbo
EDBT
2009
ACM
162views Database» more  EDBT 2009»
16 years 2 months ago
A data model for trip planning in multimodal transportation systems
This paper introduces the problem of modeling urban transportation systems in a database where certain aspects of the data are probabilistic in nature. The transportation network ...
Joel Booth, A. Prasad Sistla, Ouri Wolfson, Isabel...
COMPSAC
2009
IEEE
16 years 2 months ago
System Safety Requirements as Control Structures
Along with the popularity of software-intensive systems, the interactions between system components and between humans and software applications are becoming more and more complex...
Zhe Chen, Gilles Motet
GLOBECOM
2009
IEEE
16 years 2 months ago
Hybrid Pilot/Quantization Based Feedback in Multi-Antenna TDD Systems
— The communication between a multiple-antenna transmitter and multiple receivers (users) with either a single or multiple-antenna each can be significantly enhanced by providin...
Umer Salim, David Gesbert, Dirk T. M. Slock, Zafer...
HAPTICS
2009
IEEE
16 years 2 months ago
Haptic rendering of complex deformations through handle-space force linearization
The force-update-rate requirements of transparent rendering of virtual environments are in conflict with the computational cost required for computing complex interactions betwee...
Carlos Garre, Miguel A. Otaduy