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Now showing items 141-150 of 151
One Clock to Rule Them All: A Primitive for Distributed Wireless Protocols at the Physical Layer
(2014-04-27)
Implementing distributed wireless protocols at the physical layer today is challenging because different nodes have different clocks, each of which has slightly different frequencies. This causes the nodes to have frequency ...
Symbolic Execution for (Almost) Free: Hijacking an Existing Implementation to Perform Symbolic Execution
(2014-04-22)
Symbolic execution of a language is traditionally achieved by replacing the language s interpreter with an entirely new interpreter. This may be an unnecessary burden, and it is tempting instead to try to use as much of ...
Sloth: Being Lazy is a Virtue (When Issuing Database Queries)
(2014-04-14)
Many web applications store persistent data in databases. During execution, such applications spend a significant amount of time communicating with the database for retrieval and storing of persistent data over the network. ...
PIKA: A Network Service for Multikernel Operating Systems
(2014-01-28)
PIKA is a network stack designed for multikernel operating systems that target potential future architectures lacking cache-coherent shared memory but supporting message passing. PIKA splits the network stack into several ...
An Architecture for Online Affordance-based Perception and Whole-body Planning
(2014-03-16)
The DARPA Robotics Challenge Trials held in December 2013 provided a landmark demonstration of dexterous mobile robots executing a variety of tasks aided by a remote human operator using only data from the robot's sensor ...
Multi-Person Motion Tracking via RF Body Reflections
(2014-04-26)
Recently, we have witnessed the emergence of technologies that can localize a user and track her gestures based purely on radio reflections off the person's body. These technologies work even if the user is behind a wall ...
The N2 Corpus v1.0
(MIT CSAIL, 2014-03-22)
The N2 Corpus (Narrative Networks Corpus) comprises 100 story texts (42,480 words) relevant to Islamist Extremism, drawn from religious stories, online material, and promotional magazines. The corpus has been annotated for ...
Moebius Language Reference, Version 1.2
(2014-04-09)
Moebius is a representation and interface language based on a subset of English. It is designed for use as a means of encoding information and as a means of conveying information between software components and other ...
Supporting NGO intermediation with internet systems : comparing mobile and web examples for reaching low income urban youth of Cape Town
(2014)
Intermediaries are necessary to overcome challenges of Internet use for many users in the developing world. However the need for co-presence with intermediaries can be inconvenient for beneficiaries, and the process is ...
A parallel multidimensional weighted histogram analysis method
(2014)
The Weighted Histogram Analysis Method (WHAM) is a technique used to calculate free energy from molecular simulation data. WHAM recombines biased distributions of samples from multiple Umbrella Sampling simulations to yield ...