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SI3D
1997
ACM
15 years 2 months ago
Attention and Visual Feedback: The Bimanual Frame of Reference
We investigate the synergy of the two hands for virtual object manipulation. We report results from an experiment which suggest that the two hands together provide sufficient per...
Ken Hinckley, Randy F. Pausch, Dennis Proffitt
PODS
2006
ACM
95views Database» more  PODS 2006»
15 years 10 months ago
Randomized computations on large data sets: tight lower bounds
We study the randomized version of a computation model (introduced in [9, 10]) that restricts random access to external memory and internal memory space. Essentially, this model c...
André Hernich, Martin Grohe, Nicole Schweik...
AAECC
2009
Springer
136views Algorithms» more  AAECC 2009»
15 years 4 months ago
There Are Not Non-obvious Cyclic Affine-invariant Codes
We show that an affine-invariant code C of length pm is not permutation equivalent to a cyclic code except in the obvious cases: m = 1 or C is either {0}, the repetition code or it...
José Joaquín Bernal, Ángel de...
SIGMOD
1995
ACM
116views Database» more  SIGMOD 1995»
15 years 1 months ago
Incremental Maintenance of Views with Duplicates
We study the problem of e cient maintenance of materialized views that may contain duplicates. This problem is particularly important when queries against such views involve aggre...
Timothy Griffin, Leonid Libkin
SIAMSC
2010
142views more  SIAMSC 2010»
14 years 8 months ago
Nested Iteration and First-Order System Least Squares for Incompressible, Resistive Magnetohydrodynamics
This paper develops a nested iteration algorithm to solve time-dependent nonlinear systems of partial differential equations. For each time step, Newton’s method is used to form...
J. H. Adler, Thomas A. Manteuffel, Stephen F. McCo...