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ICML
2008
IEEE
16 years 4 months ago
Expectation-maximization for sparse and non-negative PCA
We study the problem of finding the dominant eigenvector of the sample covariance matrix, under additional constraints on the vector: a cardinality constraint limits the number of...
Christian D. Sigg, Joachim M. Buhmann
ICML
2005
IEEE
16 years 4 months ago
2D Conditional Random Fields for Web information extraction
The Web contains an abundance of useful semistructured information about real world objects, and our empirical study shows that strong sequence characteristics exist for Web infor...
Jun Zhu, Zaiqing Nie, Ji-Rong Wen, Bo Zhang, Wei-Y...
SIGSOFT
2005
ACM
16 years 4 months ago
Surveying the factors that influence maintainability: research design
We want to explore and analyse design decisions that influence maintainability of software. Software maintainability is important because the effort expended on changes and fixes ...
Wiebe Hordijk, Roel Wieringa
102
Voted
ISBI
2004
IEEE
16 years 4 months ago
Fourier-Based Forward and Back-Projectors in Iterative Fan-Beam Tomographic Image Reconstruction
Fourier-based forward and back-projection methods have the potential to reduce computation demands in iterative tomographic image reconstruction. Interpolation errors are a limita...
Yingying Zhang, Jeffrey A. Fessler
WWW
2009
ACM
16 years 4 months ago
Sitemaps: above and beyond the crawl of duty
Comprehensive coverage of the public web is crucial to web search engines. Search engines use crawlers to retrieve pages and then discover new ones by extracting the pages' o...
Uri Schonfeld, Narayanan Shivakumar
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