Sciweavers

2223 search results - page 58 / 445
» Multimedia structuring using trees
Sort
View
EUROCRYPT
2010
Springer
14 years 2 months ago
Bonsai Trees, or How to Delegate a Lattice Basis
We introduce a new lattice-based cryptographic structure called a bonsai tree, and use it to resolve some important open problems in the area. Applications of bonsai trees include...
David Cash, Dennis Hofheinz, Eike Kiltz, Chris Pei...
SIGCSE
1996
ACM
136views Education» more  SIGCSE 1996»
14 years 2 months ago
Thinking about binary trees in an object-oriented world
The Binary Search Tree serves as an important example when teaching data structures. We explore new approaches to understanding the implementation of a Binary Search Tree, using c...
A. Michael Berman, Robert C. Duvall
ISNN
2004
Springer
14 years 3 months ago
Unsupervised Learning for Hierarchical Clustering Using Statistical Information
This paper proposes a novel hierarchical clustering method that can classify given data without specified knowledge of the number of classes. In this method, at each node of a hie...
Masaru Okamoto, Nan Bu, Toshio Tsuji
ICIP
2003
IEEE
14 years 11 months ago
Stochastic attributed K-d tree modeling of technical paper title pages
Structural information about a document is essential for structured query processing, indexing, and retrieval. A document page can be partitioned into a hierarchy of homogeneous r...
Song Mao, Azriel Rosenfeld, Tapas Kanungo
TSP
2010
13 years 4 months ago
Gaussian multiresolution models: exploiting sparse Markov and covariance structure
We consider the problem of learning Gaussian multiresolution (MR) models in which data are only available at the finest scale and the coarser, hidden variables serve both to captu...
Myung Jin Choi, Venkat Chandrasekaran, Alan S. Wil...