1422 search results - page 67 / 285 » Hierarchical Spatial Data Structures |
WETICE
1997
IEEE
14 years 1 months ago
1997
IEEE
This paper is concerned with how collaborative virtual environments can be structured in order to enable greater scalability and yet maintain a richness of communication. Based on...
ICASSP
2011
IEEE
13 years 1 months ago
2011
IEEE
Cashiers in retail stores usually exhibit certain repetitive and periodic activities when processing items. Detecting such activities plays a key role in most retail fraud detecti...
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 2 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 ...