885 search results - page 53 / 177 » Hierarchical Structuring of Data on Manifolds |
DSP
2007
13 years 8 months ago
2007
Blind separation of sources from nonlinear mixtures is a challenging and often ill-posed problem. We present three methods for solving this problem: an improved nonlinear factor a...
SIGMOD
2008
ACM
14 years 9 months ago
2008
ACM
Database archiving is important for the retrieval of old versions of a database and for temporal queries over the history of data. We demonstrate XArch, a management system for ma...
JMLR
2012
11 years 11 months ago
2012
The deep Boltzmann machine is a powerful model that extracts the hierarchical structure of observed data. While inference is typically slow due to its undirected nature, we argue ...
COMPGEOM
2010
ACM
14 years 1 months ago
2010
ACM
In this paper, we introduce a simple, randomized dynamic data structure for storing multidimensional point sets, called a quadtreap. This data structure is a randomized, balanced ...
DDEP
2000
Springer
14 years 1 months ago
2000
Springer
Abstract. Notations like SGML and XML represent document structures using tree structures; while this is in general a step forward from earlier systems, it creates certain difficul...