Communications of the ACM
Latest Research
From Communications of the ACM
Phase Change Memory Architecture and the Quest For Scalability
Memory scaling is in jeopardy as charge storage and sensing mechanisms become less reliable for prevalent memory technologies. In contrast, phase change memory...
From Communications of the ACM
Technical Perspective: Technology Scaling Redirects Main Memories
As predicted by Intel's Gordon Moore in 1965, the number of transistors that can be integrated on one die continues to double approximately...
From Communications of the ACM
Toward Robotic Cars
Recent challenges organized by DARPA have induced a significant advance in technology for autopilots for cars; similar to those already used in aircraft and marine...
From Communications of the ACM
Technical Perspective: New Bar Set For Intelligent Vehicles
Sebastian Thrun gives us a glimpse into the design and implementation of two winning DARPA grand challenge entries...
From Communications of the ACM
Collaborative Filtering with Temporal Dynamics
Customer preferences for products are drifting over time. Product perception and popularity are constantly changing as new selection emerges. Similarly, customer...
From Communications of the ACM
Creativity Helps Influence Prediction Precision
The past decade has seen an explosion of interest in machine learning and data mining, with significant advances in terms of...
From Communications of the ACM
Using the Forest to See the Trees: Exploiting Context For Visual Object Detection and Localization
Recognizing objects in images is an active area of research in computer vision. However, most of the algorithms for detecting objects perform an exhaustive search...
From Communications of the ACM
Technical Perspective: Seeing the Trees, the Forest, and Much More
Bristling with cameras, microphones, and other sensors, today's portable phones are nevertheless essentially deaf and...
From Communications of the ACM
Post-Silicon Bug Localization For Processors Using IFRA
IFRA overcomes major challenges associated with a very expensive step in post-silicon validation of processors — pinpointing a bug location and the instruction...
From Communications of the ACM
Technical Perspective: Want to Be a Bug Buster?
Microprocessor performance has increased exponentially. These chips with ever increasing complexity are not always fully functional on...
From Communications of the ACM
Structural Characterizations of Schema-Mapping Languages
Information integration is a key challenge faced by all major organizations, business and governmental ones alike. Two research...
From Communications of the ACM
Technical Perspective: Schema Mappings: Rules For Mixing Data
When you search for products on Amazon.com, you are seeing results from thousands of vendor databases that were developed before Amazon existed. Did you ever wonder...
From Communications of the ACM
Predicting Structured Objects with Support Vector Machines
Machine Learning today offers a broad repertoire of methods for classification and regression. But what if we need to predict complex objects like trees, orderings...
From Communications of the ACM
Technical Perspective: Machine Learning For Complex Predictions
Interest in machine learning can be traced back to the early days of computer science. Alan Turing himself conjectured that...
From Communications of the ACM
Declarative Networking
Declarative Networking is a programming methodology that enables developers to concisely specify network protocols and services, which are directly compiled to...
From Communications of the ACM
Technical Perspective: Narrowing the Semantic Gap in Distributed Programming
In science, significant advances are often made when researchers from different communities join forces.
From Communications of the ACM
Finding the Frequent Items in Streams of Data
Many data generation processes can be modeled as data streams. While this data may be archived and indexed within a data warehouse, it is also important to process...
From Communications of the ACM
Technical Perspective: Data Stream Processing - When You Only Get One Look
The database and systems communities have made great progress in developing database systems that allow us to store and query huge amounts of data. Real-time analysis...
From Communications of the ACM
Distinct-Value Synopses For Multiset Operations
The task of estimating the number of distinct values (DVs) in a large dataset arises in a wide variety of settings in computer science and elsewhere. We provide...
From Communications of the ACM