Publications
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Costs Of ICT Use In Higher Education
This article focuses on the costs of use of Information and Communication Technologies (ICT) for teaching and learning in higher education, bearing in mind that these technologies also support a…
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Design And Pilot Of A Web-Based Assessment Of Environmental Awareness And Problem Solving Using Data
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Implementation Of Technology In The Classroom: Which Goals Can It Serve And How Can It Be Effective?
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Information extraction with HMM structures learned by stochastic optimization
This paper demonstrates that extraction accuracy strongly depends on the selection of structure, and presents an algorithm for automatically finding good structures by stochastic optimization.
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The EcoCyc and MetaCyc Databases
Both databases are queried using the Pathway Tools graphical user interface, which provides a wide variety of query operations and visualization tools.
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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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Maximum Entropy Markov Models for Information Extraction and Segmentation
We address: modeling sequential data with HMMs, problems with previous methods: motivation, the maximum entropy Markov model, segmentation of FAQs: experiments and results.
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Ontology Construction Toolkit
The goal of this project was to enable knowledge engineers to construct knowledge bases (KBs) faster. To achieve this goal, we investigated two techniques: knowledge reuse and axiom templates. The…
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Reusability And Interoperability Of Tools For Mathematics Learning: Lessons From The Escot Project
In this paper we describe our experience in creating interactive mathematics activities that incorporate interoperating tools from multiple sources.
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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.