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CARTOGRAPHICA
2010
95views more  CARTOGRAPHICA 2010»
13 years 7 months ago
On the Integration of Regional Classification and Delineation Systems into The National Map
Many of the qualities that characterize geographic regions are vague and granular in their nature. In many quality-based classification and delineation systems for geographic regi...
Thomas Bittner
ERSHOV
1989
Springer
14 years 2 months ago
Experiments with Implementations of Two Theoretical Constructions
This paper reports two experiments with implementations of constructions from theoretical computer science. The first one deals with Kleene’s and Rogers’ second recursion the...
Torben Amtoft Hansen, Thomas Nikolajsen, Jesper La...
ICC
2009
IEEE
117views Communications» more  ICC 2009»
14 years 4 months ago
Two Phase Spectrum Sharing for Frequency-Agile Radio Networks
Abstract—Modern frequency-agile radios are capable of dynamically changing the spectrum width and central frequency of its channels. Existing spectrum sharing algorithms often fa...
Zhenhua Feng, Yaling Yang
ILC
2007
Springer
14 years 4 months ago
A Playful Glance at Hierarchical Questions for Two-Way Alternating Automata
Two-way alternating automata were introduced by Vardi in order to study the satisfiability problem for the modal µ-calculus extended with backwards modalities. In this paper, we ...
Jacques Duparc, Alessandro Facchini
AAIM
2006
Springer
143views Algorithms» more  AAIM 2006»
14 years 4 months ago
A Compression-Boosting Transform for Two-Dimensional Data
We introduce a novel invertible transform for two-dimensional data which has the objective of reordering the matrix so it will improve its (lossless) compression at later stages. T...
Qiaofeng Yang, Stefano Lonardi, Avraham Melkman