137 search results - page 18 / 28 » Ordinal Embedding: Approximation Algorithms and Dimensionali... |
DASFAA
2008
IEEE
14 years 2 months ago
2008
IEEE
Clustering time series is usually limited by the fact that the length of the time series has a significantly negative influence on the runtime. On the other hand, approximative c...
KDD
2001
ACM
14 years 8 months ago
2001
ACM
The problem of similarity search (query-by-content) has attracted much research interest. It is a difficult problem because of the inherently high dimensionality of the data. The ...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
A K∗ -sparse vector x∗ ∈ RN produces measurements via linear dimensionality reduction as u = Φx∗ + n, where Φ ∈ RM×N (M < N), and n ∈ RM consists of independent ...
ICDAR
2011
IEEE
12 years 7 months ago
2011
IEEE
—In this paper we present a novel approach for fast search of handwritten Arabic word-parts within large lexicons. The algorithm runs through three steps to achieve the required ...
KDD
2010
ACM
13 years 11 months ago
2010
ACM
In this paper, we propose a unified algorithmic framework for solving many known variants of MDS. Our algorithm is a simple iterative scheme with guaranteed convergence, and is m...