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COCO
1991
Springer
93views Algorithms» more  COCO 1991»
15 years 10 months ago
Relating Equivalence and Reducibility to Sparse Sets
For various polynomial-time reducibilities r, this paper asks whether being r-reducible to a sparse set is a broader notion than being r-equivalent to a sparse set. Although distin...
Eric Allender, Lane A. Hemachandra, Mitsunori Ogiw...
ATAL
2008
Springer
15 years 8 months ago
Mobile opportunistic commerce: mechanisms, architecture, and application
We present mechanisms, architectures, and an implementation addressing challenges with mobile opportunistic commerce centering on markets and mechanisms that support the procureme...
Ece Kamar, Eric Horvitz, Chris Meek
COMPGEOM
2005
ACM
15 years 8 months ago
Cache-oblivious r-trees
We develop a cache-oblivious data structure for storing a set S of N axis-aligned rectangles in the plane, such that all rectangles in S intersecting a query rectangle or point ca...
Lars Arge, Mark de Berg, Herman J. Haverkort
COLT
2008
Springer
15 years 8 months ago
Almost Tight Upper Bound for Finding Fourier Coefficients of Bounded Pseudo- Boolean Functions
A pseudo-Boolean function is a real-valued function defined on {0, 1}n . A k-bounded function is a pseudo-Boolean function that can be expressed as a sum of subfunctions each of w...
Sung-Soon Choi, Kyomin Jung, Jeong Han Kim
APAL
2010
115views more  APAL 2010»
15 years 6 months ago
Kripke semantics for provability logic GLP
A well-known polymodal provability logic GLP is complete w.r.t. the arithmetical semantics where modalities correspond to reflection principles of restricted logical complexity in...
Lev D. Beklemishev