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» Constrained Sums of Information Systems
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PODS
2009
ACM
113views Database» more  PODS 2009»
16 years 2 months ago
Relative information completeness
The paper investigates the question of whether a partially closed database has complete information to answer a query. In practice an enterprise often maintains master data Dm, a ...
Wenfei Fan, Floris Geerts
JMLR
2006
105views more  JMLR 2006»
15 years 1 months ago
Expectation Correction for Smoothed Inference in Switching Linear Dynamical Systems
We introduce a method for approximate smoothed inference in a class of switching linear dynamical systems, based on a novel form of Gaussian Sum smoother. This class includes the ...
David Barber
TSP
2008
101views more  TSP 2008»
15 years 1 months ago
ARQ by Subcarrier Assignment for OFDM-Based Systems
We consider two automatic repeat request (ARQ) schemes based on subcarrier assignment in orthogonal frequency-division multiplexing (OFDM)-based systems: single ARQ subcarrier assi...
Chin Keong Ho, Hongming Yang, Ashish Pandharipande...
CHI
2004
ACM
16 years 2 months ago
Putting the users center stage: role playing and low-fi prototyping enable end users to design mobile systems
This paper sums up lessons learned from a sequence of cooperative design workshops where end users were enabled to design mobile systems through scenario building, role playing, a...
Dag Svanaes, Gry Seland
CISS
2007
IEEE
15 years 8 months ago
System-Level Performance of Cellular Multihop Relaying with Multiuser Scheduling
— Multihop relaying in cellular networks is seen as a viable strategy to address the need for higher data rates and better coverage. In this paper, we analyze the system-level pe...
Mohamad Charafeddine, Ozgur Oyman, Sumeet Sandhu