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Technical Perspective: Computation Where the (inter)Action Is
From Communications of the ACM

Technical Perspective: Computation Where the (inter)Action Is

"SoundWatch," by Dhruv Jain et al., provides an example of HCI research's vital role in designing architectures that trade off different computational capabilities...

SoundWatch
From Communications of the ACM

SoundWatch: Deep Learning for Sound Accessibility on Smartwatches

We present SoundWatch, a smartwatch-based deep learning application to sense, classify, and provide feedback about sounds occurring in the environment.

Technical Perspective: The Compression Power of the BWT
From Communications of the ACM

Technical Perspective: The Compression Power of the BWT

"Resolution of the Burrows-Wheeler Transform Conjecture," by Dominik Kempa and Tomasz Kociumaka, finally settles the question of how well r in the BWT captures...

Resolution of the Burrows-Wheeler Transform Conjecture
From Communications of the ACM

Resolution of the Burrows-Wheeler Transform Conjecture

In this paper, we show that r = (z log2 n) holds for every text. This result has numerous implications for text indexing and data compression.
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