Communications of the ACM
Research Archive
The Research archive provides access to all Research articles published in past issues of Communications of the ACM.
June 2012
From Communications of the ACM
Technical Perspective: The Fox and the Hedgehog
"The fox knows many things, but the hedgehog knows one big thing." Philosophers have used this line, attributed to the ancient Greek poet Archilochus, to capture the notion that a person can be either a generalist or a specialist…
From Communications of the ACM
Exact Matrix Completion via Convex Optimization
Suppose that one observes an incomplete subset of entries selected from a low-rank matrix. When is it possible to complete the matrix and recover the entries that have not been seen?
From Communications of the ACM
Technical Perspective: Reconstructing the Unknown, Balancing Structure and Uncertainty
The problem of estimating or reconstructing an unknown structured object from incomplete, partial, noisy measurements is a fundamental one in scientific and technological applications.
From Communications of the ACM
Lightweight Modular Staging: A Pragmatic Approach to Runtime Code Generation and Compiled DSLs
Good software engineering practice demands generalization and abstraction, whereas high performance demands specialization and concretization. These goals are at odds, and compilers only rarely translate expressive high-level…