Publications
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A Survey of Orphan Enzyme Activities
Here we present a follow-up literature-based survey involving a statistically significant sample of such "orphan" activities.
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A genome-scale metabolic reconstruction for Escherichia coli K-12 MG1655 that accounts for 1260 ORFs and thermodynamic information
An updated genome-scale reconstruction of the metabolic network in Escherichia coli K-12 MG1655 is presented.
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Designing Formative Assessment Software With Teachers: An Analysis Of The Co-Design Process
In this paper, we define co-design as a highly-facilitated, team-based process in which teachers, researchers, and developers work together in defined roles to design an educational innovation, realize the design…
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Local Strategies And Practice For Using Technology In K-12 Education
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Teachers’ Use of Student Data Systems to Improve Instruction
The current brief is the second in a two-part series examining teachers’ access to and use of data from student data systems. The first brief indicated that about half of…
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A Categorization of Explanation Questions for Task Processing Systems
In this paper we propose a categorization of question types relevant to explaining task processing. For each question type, we also propose alternative explanation strategies for answering them.
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Analyzing Fine-Grained Skill Models Using Bayesian And Mixed Effect Methods
We compare the two results to identify benefits and drawbacks of either method and to find out if the two results agree. We report that both methods showed compelling similarity…
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A Web Based Authoring Tool for Intelligent Tutors: Blending Assessment And Instructional Assistance
To help teachers make better use of their time, we are integrating assistance and assessment by utilizing a web-based system ("Assistment") that will offer instruction to students while providing a…
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Coordinating Networked Learning Activities With A General-Purpose Interface
Two approaches to making a Tuple Space-based computer architecture for connectivity into an inviting environment for the generation and creation of novel coordinated activities were attempted. The more satisfactory approach…
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Developing Fine-Grained Transfer Models In The ASSISTment System
In this article, we describe our attempt to create a fine-grained transfer model for 8th grade math based on the skills needed to take the Math MCAS exam and how…
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Graphical Manipulation of Evidence in Structured Arguments
A semiautomated approach to evidential reasoning uses template-based structured argumentation. Graphical depictions convey lines of reasoning, from evidence through to conclusions.
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Effectiveness of Reading and Mathematics Software Products: Findings from the First Student Cohort
The study used an experimental design to assess the effects of technology products, with volunteering teachers randomly assigned to use or not use selected products.