Communications of the ACM
Latest Research
From Communications of the ACM
Technical Perspective: Localizing Insects Outdoors
"3D Localization for Subcentimeter-Sized Devices," by Iyer, et al., neatly separates and solves the problems of robotic locomotion, sensing, localization, and communications...
From Communications of the ACM
3D Localization for Subcentimeter-Sized Devices
We present the first localization system that consumes microwatts of power at a mobile device and can be localized across multiple rooms in settings such as homes...
From Communications of the ACM
Technical Perspective: The Future of Large-Scale Embedded Sensing
The system described in "SATURN: An Introduction to the Internet of Materials" works passively, energized essentially by static electricity generated as layers...
From Communications of the ACM
SATURN: An Introduction to the Internet of Materials
We propose an Internet of Materials, where the very materials of objects and surfaces are augmented or manufactured to have computational capabilities.
From Communications of the ACM
Technical Perspective: Progress in Spatial Computing for Flood Prediction
There are few algorithms for multi-flow graphs beyond flow accumulation. The authors of "Flood-Risk Analysis on Terrains" take a big step to fill this knowledge...
From Communications of the ACM
Flood-Risk Analysis on Terrains
In this paper, we study a number of flood-risk related problems, give an overview of efficient algorithms for them, as well as explore the efficacy and efficiency...
From Communications of the ACM
Technical Perspective: Computing the Value of Location Data
"Computing Value of Spatiotemporal Information," by Heba Aly et al., describes a technique for computing the monetary value of a person's location data for a potential...
From Communications of the ACM
Computing Value of Spatiotemporal Information
We investigate the intrinsic value of location data in the context of strong privacy, where location information is only available from end users via purchase. ...
From Communications of the ACM
Technical Perspective: Lighting the Way to Visual Privacy
"Automating Visual Privacy Protection Using a Smart LED," presents a new technique to address the issue of cameras capturing proprietary or private information—it...
From Communications of the ACM
Automating Visual Privacy Protection Using a Smart LED
We introduce LiShield, which automatically protects a physical scene against photographing, by illuminating it with smart LEDs flickering in specialized waveforms...
From Communications of the ACM
Technical Perspective: From Virtual Worlds to Digital Fabrication
The authors of "OpenFab" propose to revisit the processing pipeline that turns a 3D model into machine instructions in light of the solutions developed in computer...
From Communications of the ACM
OpenFab: A Programmable Pipeline for Multimaterial Fabrication
We present OpenFab, a programmable pipeline for synthesis of multimaterial 3D printed objects that is inspired by RenderMan and modern GPU pipelines.
From Communications of the ACM
Technical Perspective: To Do or Not To Do: Extending SQL with Integer Linear Programming?
"Scalable Computation of High-Order Optimization Queries," by Brucato et al., makes a case for marrying the well-established paradigms of constrained optimization...
From Communications of the ACM
Scalable Computation of High-Order Optimization Queries
We present a complete system that supports package queries, a new query model that extends traditional database queries to handle complex constraints and preferences...
From Communications of the ACM
Technical Perspective: Making Sleep Tracking More User Friendly
"LIBS: A Bioelectrical Sensing System from Human Ears for Staging Whole-Night Sleep Study" provides a nice balance in terms of minimizing the burden on users and...
From Communications of the ACM
LIBS: A Bioelectrical Sensing System from Human Ears for Staging Whole-Night Sleep Study
We explore a new form of wearable systems, called LIBS, that can continuously record biosignals such as brain wave, eye movements, and facial muscle contractions...
From Communications of the ACM
Technical Perspective: A Control Theorist's View on Reactive Control for Autonomous Drones
"Fundamental Concepts of Reactive Control for Autonomous Drones" introduces the notion of "reactive control" in which an autopilot's control logic is run only intermittently...
From Communications of the ACM
Fundamental Concepts of Reactive Control for Autonomous Drones
We conceive a notion of reactive control that allows drones to execute the low-level control logic only upon recognizing the need to, based on the influence of...
From Communications of the ACM
Technical Perspective: Is Your WiFi a Sensor?
"Emotion Recognition Using Wireless Signals" shows that not only can the heartrate be counted with accuracy comparable to ECG devices, but the variabilities of...
From Communications of the ACM