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OTM
2009
Springer
14 years 3 months ago
Positionalism of Relations and Its Consequences for Fact-Oriented Modelling
Natural language-based conceptual modelling as well as the use of diagrams have been essential components of fact-oriented modelling from its inception. However, transforming natur...
C. Maria Keet
EDBT
2010
ACM
392views Database» more  EDBT 2010»
14 years 3 months ago
Position list word aligned hybrid: optimizing space and performance for compressed bitmaps
Compressed bitmap indexes are increasingly used for efficiently querying very large and complex databases. The Word Aligned Hybrid (WAH) bitmap compression scheme is commonly rec...
François Deliège, Torben Bach Peders...
CDC
2008
IEEE
127views Control Systems» more  CDC 2008»
14 years 3 months ago
A bounded positive non-linear PI control law for double-pipe heat exchangers
— In this work, a PI-type control scheme for the outlet temperature regulation of double-pipe heat exchangers is proposed. Compared to previously proposed approaches, the algorit...
Arturo Zavala-Río, Carlos M. Astorga-Zarago...
ICC
2007
IEEE
14 years 3 months ago
Enhancing the Accuracy of Position Information through Superposition of Location Server Data
— The localization of a mobile device is of essential need in order to provide location based services to the users, e.g. in an emergency situation. Several mechanisms have been ...
Sven D. Hermann, Adam Wolisz, Michel Sortais
MOBIQUITOUS
2007
IEEE
14 years 3 months ago
Combining GPS and GSM Cell-ID positioning for Proactive Location-based Services
—Mobile terminals with built-in GPS receivers are becoming more and more available, thus the public deployment of location-based services (LBS) becomes feasible. Upcoming LBS are...
Nico Deblauwe, Peter Ruppel