Publications
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The SPARK Agent Framework
We describe the SRI Procedural Agent Realization Kit (SPARK), a new BDI agent framework that combines scaleability and the clean semantic underpinning of more formal agent frameworks.
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A Minimal Solution to the Generalized 3-Point Pose Problem
It is a well known classical result that given the image projections of three known world points it is possible to solve for the pose of a calibrated perspective camera…
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Comparing and Combining Generative and Posterior Probability Models: Some Advances in Sentence Boundary Detection in Speech
We compare and contrast two different models for detecting sentence-like units in continuous speech. Both models combine lexical, syntactic, and prosodic information.
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Identifying Agreement and Disagreement in Conversational Speech: Use of Bayesian Networks to Model Pragmatic Dependencies
We describe a statistical approach for modeling agreements and disagreements in conversational interaction.
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Managing uncertainty in dialogue information state for real time understanding of multi-human meeting dialogue
Our ultimate aim is to model human-human dialogue (to the extent that it is feasible) in real-time, providing useful services (e.g. relevant document retrieval) and answering queries about the dialogue…
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Collaborative extensions for the UpLib system
Describes the metadata sharing and extension sharing systems used with UpLib.
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Stereo-Based Vision System for Automotive Imminent Collision Detection
In this paper, we demonstrate that stereo vision is a promising solution to this problem. Our prototype system has been rigorously tested for different colliding scenarios (e.g., different intersection angles…
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Modeling NERFs for Speaker Recognition
We introduce a new type of feature to capture long-range patterns associated with individual speakers or with speaking styles. NERFs, or Nonuniform Extraction Region Features, are defined based on regions…
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Visual Odometry
We present a system that estimates the motion of a stereo head or a single moving camera based on video input.
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National Early Intervention Longitudinal Study (NEILS): Expenditure Study
This study used the “ingredients” approach or Resource Cost Model (RCM) to analyze early intervention expenditures. The RCM represents a bottom-up methodology for organizing and analyzing resource allocation data.
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Teacher Professional Development, Technology, And Communities Of Practice: Are We Putting The Cart Before The Horse?
In this paper, we seek guideposts to help education technologists understand the nature of local K-12 education communities of practice specifically their reciprocal relationship with teacher professional development and instructional…
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Assigning Adaptive NAEP Booklets Based On State Assessment Scores: A Simulation Study Of The Impact On Standard Errors
This simulation assessed the improvements that could be expected if students were pre-assigned to test booklets that were adapted to their level of performance.