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Communications of the ACM

Research Archive


Archives

The Research archive provides access to all Research articles published in past issues of Communications of the ACM.

May 2011


From Communications of the ACM

Computational Complexity and Information Asymmetry in Financial Products

Computational Complexity and Information Asymmetry in Financial Products

Securitization of cash flows using financial derivatives transformed the financial industry over the last three decades. Derivatives have attracted criticism, but others say…


From Communications of the ACM

Technical Perspective: Images Everywhere Looking for Models

About 5,000 images per minute are uploaded to the photo-sharing site http://www.flickr.com/; over 7,000,000 a day. Such images often look…


From Communications of the ACM

Technical Perspective: Complex Financial Products: Caveat Emptor

CDOs are examples of financial derivatives, with a value that depends on the underlying assets with which they are linked.…


From Communications of the ACM

Self-Similarity-based Image Denoising

Self-Similarity-based Image Denoising

The search for efficient image denoising methods is still a valid challenge at the crossing of functional analysis and statistics. In spite of the sophistication of the recently proposed methods, most algorithms have not yet…

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