Publications
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Using Evidence Centered Design For Learning (ECDL) To Examine the ASSISTments system
We introduce a design methodology – Evidence Centered Design for Learning (ECDL) that supports the design of educational systems in terms of evidentiary arguments.
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Development of Microfabricated Cylindrical Ion Trap Mass Spectrometer Arrays
A novel approach, in which microelectromechanical systems (MEMS) technology is used for constructing miniature cylindrical ion trap (CIT) mass spectrometer (MS) arrays in silicon (Si), is described.
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Mesomechanical Constitutive Relations for Glass and Ceramic Armor
We describe a model that uses microfailure and fragment flow constitutive data, show how the model links to continuum models, and compare computational results with glass penetration tests.
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Combining Discriminative Re-Ranking and Co-Training for Parsing Mandarin Speech Transcripts
In this paper, we present systematic investigations on combining discriminative re-ranking and co-training, including co-training re-ranked parsers and co-training re-rankers.
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Infrastructure Free 6 DOF Location and Pose Estimation for Mixed Reality Systems
Mixed reality training systems using Head Mounted Displays (HMDs) require very high precision knowledge of the 3D location and 3D orientation of the user's head.
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Using Mixed-Effects Modeling To Analyze Different Grain-Sized Skill Models In An Intelligent Tutoring System
Student modeling and cognitive diagnostic assessment are important issues that need to be addressed for the development and successful application of intelligent tutoring systems (ITS). ITS needs the construction of…
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Degradation of Association and Projection White Matter Systems in Alcoholism Detected with Quantitative Fiber Tracking
Alcoholism affected FA and diffusivity, particularly λT, of several fiber bundles. Frontal and superior sites (frontal forceps, internal and external capsules, fornix, and superior cingulate and longitudinal fasciculi) showed greatest…
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Automatic Food Documentation and Volume Computation Using Digital Imaging and Electronic Transmission
Improving methodology even modestly would advance our knowledge about the influence of food intake on health.
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Nanoporous Silica-Water Interfaces Studied By Sum-Frequency Vibrational Spectroscopy
Using sum-frequency vibrational spectroscopy, we found that waterstructure at nanoporous silica/water interfaces depended on the nanoporous film structure.
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InP-Based Geiger-Mode Avalanche Photodiode Arrays for Three-Dimensional Imaging at 1.06 μm
We report on the development of 32 x 32 focal plane arrays (FPAs) based on InGaAsP/InP Geiger-mode avalanche photodiodes (GmAPDs) designed for use in three-dimensional (3-D) laser radar imaging systems…
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Isolines: efficient spatio-temporal data aggregation in sensor networks
This paper introduces an energy-efficient data collection technique that takes advantage of spatial and temporal data correlation for monitoring continuously changing conditions such as temperature, humidity, rain fall, radiation, substance…
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Embracing interference in ad hoc networks using joint routing and scheduling with multiple packet reception
We present an approach that takes advantage of multi-packet reception (MPR) to reduce the negative effects of multiple access interference and therefore increase the capacity of an ad hoc network.