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Comment Prior art by IBM? (Score 3, Informative) 104

I remember IBM DB2 ads from the 90s about, well, sketch-based DB searches. IBM called it "Query by Image Content", or QBIC. It was easy to find one using Google Books -- in this case, CIO Magazine, Sept. 1, 1995:


Submission + - Optimizations are way more flakey than you thought (

An anonymous reader writes: What difference can the size of your environment have on code optimiaztions? As it turns out, a lot. In Producing Wrong Data Without Doing Anything Obviously Wrong we find out that minor, seemingly unrelated things can have a huge effect on the effectiveness of code optimizations. Main conclusion: most computer science papers that deal with code optimizations and report experimental success (benchmarks) are in fact scientifically invalid.

It is easier to change the specification to fit the program than vice versa.