Communications of the ACM
Latest Research
From Communications of the ACM
Technical Perspective: How Easy Is It to Describe Hard Polynomials?
"Superpolynomial Lower Bounds Against Low-Depth Algebraic Circuits," by Nutan Limaye et al., achieves a landmark in the larger quest of understanding hardness,...
From Communications of the ACM
Taming Algorithmic Priority Inversion in Mission-Critical Perception Pipelines
This paper discusses algorithmic priority inversion in mission-critical machine inference pipelines used in modern neural-network-based perception subsystems and...
From Communications of the ACM
Technical Perspective: Maximum Flow through a Network: A Storied Problem and a Groundbreaking Solution
"Almost-Linear-Time Algorithms for Maximum Flow and Minimum-Cost Flow," by Li Chen et al., comes within striking distance of answering the question: "Does maximum...
From Communications of the ACM
Technical Perspective: A Rare Glimpse of Tracking Fake Reviews
"Leveraging Social Media to Buy Fake Reviews," by Sherry He et al., represents a breakthrough in our empirical understanding of fake reviews on Amazon.
From Communications of the ACM
Leveraging Social Media to Buy Fake Reviews
We study the market for fake product reviews on Amazon.com.
From Communications of the ACM
Technical Perspective: Can We Uncover Private Backbone Infrastructures?
In "A Manifold View of Connectivity in the Private Backbone Networks of Hyperscalers," Salamatian et al. assemble techniques from the two broad strategies developed...
From Communications of the ACM
A Manifold View of Connectivity in the Private Backbone Networks of Hyperscalers
We present a new empirical approach for elucidating connectivity in privately owned and operated backbone networks.
From Communications of the ACM
Technical Perspective: Opening the Door to SSD Algorithmics
The authors of "Offline and Online Algorithms for SSD Management" propose a more accurate theoretical model of flash-based SSDs that views each page as containing...
From Communications of the ACM
Offline and Online Algorithms for SSD Management
We explore the problem of reducing high internal overhead of flash media which is referred to as write amplification from an algorithmic perspective, considering...
From Communications of the ACM
Technical Perspective: FoundationDB Performs Balancing Act
FoundationDB, as explored in "FoundationDB: A Distributed Key-Value Store," by Jingyu Zhou et al., pioneered the development of a scalable distributed key-value...
From Communications of the ACM
FoundationDB: A Distributed Key-Value Store
FoundationDB, an open-source transactional key-value store, is one of the first systems to combine the flexibility and scalability of NoSQL architectures with the...
From Communications of the ACM
Technical Perspective: On Abstractions and Embedded Networks
"Symbol-Synchronous Buses," by Jonathan Oostvogels et al., conceives a notion of a symbol-synchronous bus, which effectively makes a multi-hop wireless network...
From Communications of the ACM
Symbol-Synchronous Buses: Deterministic, Low-Latency Wireless Mesh Networking with LEDs
We describe a novel networking paradigm that aims to enable a new class of latency-sensitive applications by systematically breaking networking abstractions.
From Communications of the ACM
Technical Perspective: The Power of Low-Power GPS Receivers for Nanosats
The work explored in "Hummingbird," by Sujay Narayana et al., focuses on the energy consumption of a typical GPS receiver and its operational challenges in a nanosat...
From Communications of the ACM
Hummingbird: An Energy-Efficient GPS Receiver for Small Satellites
In this work, we elucidate the design of a low-cost, low-power GPS receiver for small satellites.
From Communications of the ACM
Technical Perspective: Traffic Classification in the Era of Deep Learning
"Traffic Classification in an Increasingly Encrypted Web," by Iman Akbari et al., does a great job in reviewing related work in the network traffic classification...
From Communications of the ACM
Traffic Classification in an Increasingly Encrypted Web
In this paper, we design a novel feature engineering approach used for encrypted Web protocols, and develop a neural network architecture based on stacked long...
From Communications of the ACM
Technical Perspective: Physical Layer Resilience through Deep Learning in Software Radios
"Polymorphic Wireless Receivers," by Francesco Restuccia and Tommaso Melodia, tackles the problem of physical layer resilience in wireless systems from a completely...
From Communications of the ACM
Polymorphic Wireless Receivers
We introduce PolymoRF, a deep learning-based polymorphic receiver able to reconfigure itself in real time based on the inferred waveform parameters.
From Communications of the ACM