DEPARTMENT: Editor's letter
The notion of what constitutes a profession has been studied extensively through exploration of its attributes. Common among these are a deep technical expertise, an essential, valued, societal contribution, and the need to adhere …
Andrew A. Chien
Page 5
I recently had the opportunity to join several thousand teachers in Southern California for an annual confab on teaching. I came away with a very different view of elementary and secondary education than I had going in.
Vinton G. Cerf
Page 7
DEPARTMENT: Letters to the editor
In "The Science of Brute Force " (August 2017), Marjin J.H. Heule and Oliver Kullmann humorously asked whether a mathematician using brute force is really "a kind of barbaric monster."
CACM Staff
Pages 8-9
DEPARTMENT: BLOG@CACM
Robin K. Hill mulls an aspect of natural language processing research, while Mark Guzdial ponders why coding is taught in public schools.
Robin K. Hill, Mark Guzdial
Pages 12-13
COLUMN: News
Bioprinting has generated bones, cartilage, and some muscles; hearts and livers are still years away.
Keith Kirkpatrick
Pages 15-17
Advances in audio processing help separate the conversation from background noise.
Don Monroe
Pages 18-20
How do small screens impact young minds?
Chris Edwards
Pages 21-22
COLUMN: Technology strategy and management
Checking out the recent Amazon acquisition of Whole Foods.
Michael A. Cusumano
Pages 24-26
COLUMN: Inside risks
Incidents from the early days of AI research are instructive in the current AI environment.
David Lorge Parnas
Pages 27-31
COLUMN: Economic and business dimensions
Integrating trust and automation in finance.
Vasant Dhar, Roger M. Stein
Pages 32-35
COLUMN: Kode vicious
If it seems like the sky is falling, that's because it is.
George V. Neville-Neil
Pages 36-37
COLUMN: Viewpoint
Considering the issues and opportunities raised by Agile practices in the development of high-integrity software.
Roderick Chapman, Neil White, Jim Woodcock
Pages 38-41
SECTION: Practice
Code is a story that explains how to solve a particular problem.
Alvaro Videla
Pages 42-45
Expert-curated guides to the best of CS research.
Peter Bailis, Tawanna Dillahunt, Stefanie Mueller, Patrick Baudisch
Pages 46-49
Why the Bell curve hasn't transformed into a hockey stick.
Thomas A. Limoncelli
Pages 50-52
SECTION: Contributed articles
Developers know refactoring improves their software, but many find themselves unable to do so when they want to.
Ewan Tempero, Tony Gorschek, Lefteris Angelis
Pages 54-61
Millennials entering the workforce ignore the risks of using privately owned devices on the job.
Heiko Gewald, Xuequn Wang, Andy Weeger, Mahesh S. Raisinghani, Gerald Grant, Otavio Sanchez, Siddhi Pittayachawan
Pages 62-69
SECTION: Review articles
Exploring the technical and ethical issues surrounding Internet advertising and ad blocking.
Stephen B. Wicker, Kolbeinn Karlsson
Pages 70-79
SECTION: Research highlights
"Multi-Objective Parametric Query Optimization," by Immanuel Trummer and Christoph Koch is a remarkable tour de force exploration of the combination of both parametric and multi-objective query optimization.
Jeffrey F. Naughton
Page 80
We propose a generalization of the classical database query optimization problem: multi-objective parametric query (MPQ) optimization.
Immanuel Trummer, Christoph Koch
Pages 81-89
"A Large-Scale Study of Programming Languages and Code Quality in GitHub," by Baishakhi Ray, et al., studies whether programming language choice and code quality are related.
Jeffrey S. Foster
Page 90
What is the effect of programming languages on software quality? In this study, we gather a very large data set from GitHub in an attempt to shed some empirical light on this question.
Baishakhi Ray, Daryl Posnett, Premkumar Devanbu, Vladimir Filkov
Pages 91-100
COLUMN: Last byte
Imagine a set of red and blue hill towns connected by a network of roads. When a person from a red town travels through a blue town or vice versa, things can get unpleasant.
Dennis Shasha
Pages 112-ff