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BROADNETS
2005
IEEE
15 years 10 months ago
Performance analysis and enhancement for backbone based wireless mobile ad hoc networks
—In this paper, we present an extended Mobile Backbone Network (MBN) topology synthesis algorithm (ETSA) for constructing and maintaining a dynamic backbone structure in mobile w...
Laura Huei-jiun Ju, Izhak Rubin
SODA
2007
ACM
99views Algorithms» more  SODA 2007»
15 years 5 months ago
Matroids, secretary problems, and online mechanisms
We study a generalization of the classical secretary problem which we call the “matroid secretary problem”. In this problem, the elements of a matroid are presented to an onli...
Moshe Babaioff, Nicole Immorlica, Robert Kleinberg
SIGMOD
2004
ACM
163views Database» more  SIGMOD 2004»
16 years 4 months ago
Constraint-Based XML Query Rewriting For Data Integration
We study the problem of answering queries through a target schema, given a set of mappings between one or more source schemas and this target schema, and given that the data is at...
Cong Yu, Lucian Popa
IROS
2006
IEEE
105views Robotics» more  IROS 2006»
15 years 10 months ago
Combinatorial Optimization of Sensing for Rule-Based Planar Distributed Assembly
Abstract— We describe a model for planar distributed assembly, in which agents move randomly and independently on a twodimensional grid, joining square blocks together to form a ...
Jonathan Kelly, Hong Zhang
ICA
2004
Springer
15 years 9 months ago
Some Gradient Based Joint Diagonalization Methods for ICA
Abstract. We present a set of gradient based orthogonal and nonorthogonal matrix joint diagonalization algorithms. Our approach is to use the geometry of matrix Lie groups to devel...
Bijan Afsari, Perinkulam S. Krishnaprasad