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DCG
2006
96views more  DCG 2006»
15 years 7 months ago
k-Sets, Convex Quadrilaterals, and the Rectilinear Crossing Number of Kn
We use circular sequences to give an improved lower bound on the minimum number of ( k)
József Balogh, Gelasio Salazar
ECCC
2006
80views more  ECCC 2006»
15 years 7 months ago
Packing to angles and sectors
In our problem we are given a set of customers, their positions on the plane and their demands. Geometrically, the area covered by a directional antenna with parameters , ,
Piotr Berman, Jieun K. Jeong, Shiva Prasad Kasivis...
IPL
2008
87views more  IPL 2008»
15 years 7 months ago
Optimal prefix and suffix queries on texts
Abstract. In this paper, we study a restricted version of the position restricted pattern matching problem introduced and studied M
Maxime Crochemore, Costas S. Iliopoulos, Mohammad ...
IJMMS
2006
74views more  IJMMS 2006»
15 years 7 months ago
Constructing computer-based tutors that are socially sensitive: Politeness in educational software
Students rated 16 tutorial statements on negative politeness (i.e., how much the tutor ``allows me freedom to make my own decisions'') and positive politeness (i.e., how...
Richard E. Mayer, W. Lewis Johnson, Erin Shaw, Sah...
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CORR
2007
Springer
104views Education» more  CORR 2007»
15 years 7 months ago
Observable Graphs
An edge-colored directed graph is observable if an agent that moves along its edges is able to determine his position in the graph after a sufficiently long observation of the edge...
Raphael M. Jungers, Vincent D. Blondel