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DOOD
1997
Springer
155views Database» more  DOOD 1997»
15 years 8 months ago
Incremental Updates for Materialized OQL Views
Abstract. This work discusses the CROQUE approach to the maintenance problem for materialized views. In a CROQUE database, application-speci ed collections (type extents or classes...
Dieter Gluche, Torsten Grust, Christof Mainberger,...
VIP
2000
15 years 5 months ago
Use of Series Parallel Digraph Analysis in Generating Instructions for Multiple Users
Series Parallel (SP) digraphs are a common method of representing instructions with partially ordered actions, but not always an ideal one, as relationships among groups of action...
Margaret Mitchell
ICRA
2010
IEEE
131views Robotics» more  ICRA 2010»
15 years 2 months ago
Ball dribbling with an underactuated continuous-time control phase
— Ball dribbling is a central element of basketball. One main challenge for realizing basketball robots is to stabilize periodic motions of the ball. This task is nontrivial due ...
Uwe Mettin, Anton S. Shiriaev, Georg Batz, Dirk Wo...
ESA
2009
Springer
98views Algorithms» more  ESA 2009»
15 years 10 months ago
Reconstructing 3-Colored Grids from Horizontal and Vertical Projections Is NP-hard
We consider the problem of coloring a grid using k colors with the restriction that in each row and each column has an specific number of cells of each color. In an already classi...
Christoph Dürr, Flavio Guiñez, Mart&ia...
ICASSP
2008
IEEE
15 years 10 months ago
Relation between joint optimizations for multiuser MIMO uplink and downlink with imperfect CSI
Joint linear minimum sum mean-squared error (referred to as MSMSE) transmitter and receiver (transceiver) optimization problems are formulated for multiuser MIMO systems under a s...
Minhua Ding, Steven D. Blostein