Publications
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Breaking The Mold: Technology-Based Science Assessment In The 21st Century
This article will focus solely on how technology is changing the world of educational testing.
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Globe Year 5 Evaluation: Classroom Practices
Since GLOBE began in 1995, GLOBE students have entered millions of measurements into it' archive and reviewed the resulting patterns and trends using tables, map visualizations, and graphing tools.
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Pasco Probes In The Chemsense Environment: Design Study 1
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Rate-dependent Acoustic Modeling for Large Vocabulary Conversational Speech Recognition
In this paper, we evaluate our approach on a large-vocabulary conversational speech recognition (LVCSR) task over the telephone, with several minimal pair comparisons based on different baseline systems.
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Students Collaborating With Computer Models And Physical Experiments
This study examines the actions and discourse of students in a chemistry laboratory course as they interact with available social and material resources.
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Technology Design As Educational Research: Interweaving Imagination, Inquiry & Impact
New models of the research projects that include technology design are needed that draw upon the idealistic potential of technology, but engage with the practical problems of educational reform in…
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Domain Metatheories: Enabling User-Centric Planning
In this paper, we argue that improved usability requires a new representational layer that captures metatheoretic properties of a planning domain.
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Basic Concepts Of Cryptography
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Bridging the lexical chasm: statistical approaches to answer-finding
This paper investigates whether a machine can automatically learn the task of finding, within a large collection of candidate responses, the answers to questions.
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A Survey of Research in Distributed, Continual Planning
In this article, we describe a new paradigm for planning in complex, dynamic environments, which we term distributed, continual planning (DCP). We argue that developing DCP systems will be necessary…
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Coordinating Planning Activity and Information Flow in a Distributed Planning System
Distributed SIPE (DSIPE) is a distributed planning system that provides decision support to human planners in a collaborative planning environment.
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Data-Driven Subclassification of Disfluent Repetitions Based on Prosodic Features
This study delves into the acoustic and prosodic information of repetitions, one of the most common disfluencies. A hierarchical clustering of prosodic features reveals three subsets of repetitions, each reflecting…