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Showing 1,486 to 1,500 of 1,532 results Save | Export
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Losee, Robert M. – Information Processing & Management, 2001
Increasing information retrieval performance using phrases and part-of-speech (POS) information is one example of a type of decision-making performance that is improved when using this linguistic information. The relative effectiveness of using multi-term phrases as opposed to individual terms is shown, as well as the relative worth of POS tagged…
Descriptors: Decision Making, Form Classes (Languages), Improvement, Information Retrieval
Heidorn, P. Bryan – Proceedings of the ASIS Annual Meeting, 1999
Examines the vocabulary and communication constructs that are used by novices and domain experts to describe objects in an object identification task. Results suggest that indexing and retrieval systems should provide semantic level similarity mechanisms to allow for whole-object as well as part-wise visual analogy. The systems should also provide…
Descriptors: Indexing, Information Processing, Information Retrieval, Information Seeking
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Sheehan, Kathleen M.; Kostin, Irene; Futagi, Yoko; Hemat, Ramin; Zuckerman, Daniel – ETS Research Report Series, 2006
This paper describes the development, implementation, and evaluation of an automated system for predicting the acceptability status of candidate reading-comprehension stimuli extracted from a database of journal and magazine articles. The system uses a combination of classification and regression techniques to predict the probability that a given…
Descriptors: Automation, Prediction, Reading Comprehension, Classification
Graesser, Arthur C.; Hu, Xiangen; Person, Natalie; Jackson, Tanner; Toth, Joe – 2002
The Human Use Regulatory Affairs Advisor (HURAA) is a Web-based facility that provides help and training on the ethical use of human subjects in research, based on documents and regulations in United States Federal agencies. HURAA has a number of standard features of conventional Web facilities and computer-based training, such as hypertext,…
Descriptors: Computer Assisted Instruction, Computer System Design, Ethics, Information Retrieval
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Rowe, Neil C.; Frew, Brian – Information Processing & Management, 1998
Explores the indirect method of locating for indexing the likely explicit and implicit captions of photographs, using multimodal clues including the specific words used, syntax, surrounding layout of the Web page, and general appearance of the associated image. The MARIE-3 system thus avoids full image processing and full natural-language…
Descriptors: Captions, Computer System Design, Indexing, Information Processing
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Zender, Mike; Crutcher, Keith A. – Visible Language, 2007
The accelerating rate of data generation and resulting publications are taxing the ability of scientific investigators to stay current with the emerging literature. This problem, acute in science, is not uncommon in other areas. New approaches to managing this explosion of information are needed. While it is only possible to read one paper or…
Descriptors: Alzheimers Disease, Pathology, Scientific Concepts, Research Methodology
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Lynch, Collin F., Ed.; Merceron, Agathe, Ed.; Desmarais, Michel, Ed.; Nkambou, Roger, Ed. – International Educational Data Mining Society, 2019
The 12th iteration of the International Conference on Educational Data Mining (EDM 2019) is organized under the auspices of the International Educational Data Mining Society in Montreal, Canada. The theme of this year's conference is EDM in Open-Ended Domains. As EDM has matured it has increasingly been applied to open-ended and ill-defined tasks…
Descriptors: Data Collection, Data Analysis, Information Retrieval, Content Analysis
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Liou, Hsien-Chin; Chang, Jason S; Chen, Hao-Jan; Lin, Chih-Cheng; Liaw, Meei-Ling; Gao, Zhao-Ming; Jang, Jyh-Shing Roger; Yeh, Yuli; Chuang, Thomas C.; You, Geeng-Neng – CALICO Journal, 2006
This paper describes the development of an innovative web-based environment for English language learning with advanced data-driven and statistical approaches. The project uses various corpora, including a Chinese-English parallel corpus ("Sinorama") and various natural language processing (NLP) tools to construct effective English…
Descriptors: Natural Language Processing, English (Second Language), Bilingualism, Web Based Instruction
Feldman, Susan – Online, 1999
Focuses on natural language processing (NLP) in information retrieval. Defines the seven levels at which people extract meaning from text/spoken language. Discusses the stages of information processing; how an information retrieval system works; advantages to adding full NLP to information retrieval systems; and common problems with information…
Descriptors: Communication (Thought Transfer), Computer System Design, Information Processing, Information Retrieval
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Song, Ki-Sang; Hu, Xiangen; Olney, Andrew; Graesser, Arthur C. – Computers and Education, 2004
Whereas existing learning environments on the Web lack high level interactivity, we have developed a human tutor-like tutorial conversation system for the Web that enhances educational courseware through mixed-initiative dialog with natural language processing. The conversational tutoring agent is composed of an animated tutor, a Latent Semantic…
Descriptors: Courseware, Web Based Instruction, Distance Education, Natural Language Processing
Oberem, Graham E. – 1994
The limited language capability of CAI systems has made it difficult to personalize problem-solving instruction. The intelligent tutoring system, ALBERT, is a problem-solving monitor and coach that has been used with high school and college level physics students for several years; it uses a natural language system to understand kinematics…
Descriptors: Computer Assisted Instruction, Computer Simulation, Higher Education, Intelligent Tutoring Systems
Burstein, Jill C.; Kaplan, Randy M. – 1995
There is a considerable interest at Educational Testing Service (ETS) to include performance-based, natural language constructed-response items on standardized tests. Such items can be developed, but the projected time and costs required to have these items scored by human graders would be prohibitive. In order for ETS to include these types of…
Descriptors: Computer Assisted Testing, Constructed Response, Cost Effectiveness, Hypothesis Testing
Teppo, Anne R.; Esty, Warren W.; Kirkpatrick, Kay – International Group for the Psychology of Mathematics Education, 2003
Undergraduate students' written exams were analyzed from a freshman-level mathematics course that emphasized, among other topics, the study of mathematical logic. Findings indicate that on questions related to the negation of a conditional sentence, students performed much better when given natural-language contexts than they did on questions…
Descriptors: Undergraduate Students, Logical Thinking, Mathematical Logic, Courses
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Tolle, Kristin M.; Chen, Hsinchun – Journal of the American Society for Information Science, 2000
Describes a study that investigated the use of a natural language processing technique called noun phrasing to determine whether it is a viable technique for medical information retrieval. Evaluates four noun phrase generation tools for their ability to isolate noun phrases from medical journal abstracts, focusing on precision and recall.…
Descriptors: Analysis of Variance, Comparative Analysis, Electronic Libraries, Evaluation Methods
Lally, Carolyn – 1998
The history of grammar instruction in second language education is traced, focusing on the evolution of grammar's role from a central place in instruction to its current peripheral, almost problematic role. The objective is to provide background information so that second language educators can redefine grammar's role in language instruction. The…
Descriptors: Audiolingual Methods, Comparative Analysis, Educational History, Educational Trends
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