Communications of the ACM
Research Archive
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
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. These kinds of complex financial products are the cause célèbre of the financial crisis, and many have…
From Communications of the ACM
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…