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PKDD
2010
Springer
160views Data Mining» more  PKDD 2010»
14 years 8 months ago
Sparse Unsupervised Dimensionality Reduction Algorithms
Abstract. Principal component analysis (PCA) and its dual—principal coordinate analysis (PCO)—are widely applied to unsupervised dimensionality reduction. In this paper, we sho...
Wenjun Dou, Guang Dai, Congfu Xu, Zhihua Zhang
CARTOGRAPHICA
2010
109views more  CARTOGRAPHICA 2010»
14 years 7 months ago
Automated Reduction of Visual Complexity in Small-Scale Relief Shading
Shaded relief derived automatically from digital elevation models differs distinctly from traditional manual shading. Particularly at small scales, many small topographic details ...
Anna M. Leonowicz, Bernhard Jenny, Lorenz Hurni
IDEAS
2000
IEEE
117views Database» more  IDEAS 2000»
15 years 2 months ago
Path Query Reduction and Diffusion for Distributed Semi-Structured Data Retrieval
I n this paper, we address the problem of query processing o n distributed semi-structured data. The distributed semistructured data can be modeled as a rooted and edge-labeled gr...
Jaehyung Lee, Yon Dohn Chung, Myoung-Ho Kim
SIGIR
2010
ACM
15 years 1 months ago
Effective music tagging through advanced statistical modeling
Music information retrieval (MIR) holds great promise as a technology for managing large music archives. One of the key components of MIR that has been actively researched into is...
Jialie Shen, Wang Meng, Shuichang Yan, HweeHwa Pan...
SAM
2004
151views Hardware» more  SAM 2004»
14 years 11 months ago
Checking Secrecy by Means of Partial Order Reduction
We propose a partial order reduction for model checking security protocols for the secrecy property. Based on this reduction we develop an automatic tool that can check security pr...
Cas J. F. Cremers, Sjouke Mauw