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DKE
2008
72views more  DKE 2008»
13 years 8 months ago
On space constrained set selection problems
Space constrained optimization problems arise in a variety of applications, ranging from databases to ubiquitous computing. Typically, these problems involve selecting a set of it...
Themis Palpanas, Nick Koudas, Alberto O. Mendelzon
IROS
2006
IEEE
105views Robotics» more  IROS 2006»
14 years 1 months ago
A Robocentric Motion Planner for Dynamic Environments Using the Velocity Space
— This paper addresses a method to optimize the robot motion planning in dynamic environments, avoiding the moving and static obstacles while the robot drives towards the goal. T...
Eduardo Owen, Luis Montano
SODA
2010
ACM
214views Algorithms» more  SODA 2010»
14 years 5 months ago
A Fourier space algorithm for solving quadratic assignment problems
The quadratic assignment problem (QAP) is a central problem in combinatorial optimization. Several famous computationally hard tasks, such as graph matching, partitioning, and the...
Risi Kondor
ICA
2007
Springer
13 years 11 months ago
Text Clustering on Latent Thematic Spaces: Variants, Strengths and Weaknesses
Deriving a thematically meaningful partition of an unlabeled document corpus is a challenging task. In this context, the use of document representations based on latent thematic ge...
Xavier Sevillano, Germán Cobo, Francesc Al&...
PVLDB
2010
89views more  PVLDB 2010»
13 years 6 months ago
Transforming Range Queries To Equivalent Box Queries To Optimize Page Access
Range queries based on L1 distance are a common type of queries in multimedia databases containing feature vectors. We propose a novel approach that transforms the feature space i...
Sakti Pramanik, Alok Watve, Chad R. Meiners, Alex ...