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A Language-Independent Approach to Automatic Text Difficulty Assessment for Second-Language Learners
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In: DTIC (2013)
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Portable Language-Independent Adaptive Translation From OCR
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In: DTIC (2009)
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Entity Retrieval by Hierarchical Relevance Model, Exploiting the Structure of Tables and Learning Homepage Classifiers
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In: DTIC (2009)
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Abstract:
This paper gives an overview of our work done for the TREC 2009 Entity track. We propose a hierarchical relevance retrieval model for entity ranking. In this model, three levels of relevance are examined which are document, passage and entity, respectively. The final ranking score is a linear combination of the relevance scores from the three levels. Furthermore, we exploit the structure of tables and lists to identify the target entities from them by making a joint decision on all the entities with the same attribute. To find entity homepages, we train logistic regression models for each type of entities. A set of templates and filtering rules are also used to identify target entities. The key lessons that we learned by participating this year's Entity track include: 1) our special treatment of table and list data is well rewarding; 2) The high accuracy of homepage finding is crucial in this track; 3) Wikipedia can serve as a valuable knowledge resource for different aspects of the related entity finding task. ; Presented at the Text REtrieval Conference (TREC 2009, 18th) held in Gaithersburg, Maryland on 17-20 November 2009. Published in the Proceedings of the Text REtrieval Conference (TREC 2009, 18th), 2009. The conference was co-sponsored by the National Institute of Standards and Technology (NIST), the Defense Advanced Research Projects Agency (DARPA), and the Advanced Research and Development Activity (ARDA).
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Keyword:
*HOMEPAGES(INTERNET); *INFORMATION RETRIEVAL; *INFORMATION SCIENCES; *INTERNET; *RELEVANCE(INFORMATION RETRIEVAL); *WEB(INTERNET); ACCURACY; CLASSIFICATION; Computer Programming and Software; DECISION MAKING; DOCUMENT RETRIEVAL; ENTITY EXTRACTION; ENTITY RANKING; ENTITY TRACK; Equipment and Methods; FILTERS; HIERARCHIES; HIGH RATE; Information Science; INTERNET BROWSERS; LEARNING; Linguistics; MODELS; RANKING; REGRESSION ANALYSIS; REPRINTS; SOCIAL COMMUNICATION; SYMPOSIA; TABLES(DATA); TEMPLATES; Test Facilities; WIKIPEDIA(INTERNET)
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URL: http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA517741
http://www.dtic.mil/docs/citations/ADA517741
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A Statistical Analysis of Individual Success after Successful Completion of Defense Language Institute Foreign Language Center Training
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In: DTIC AND NTIS (2005)
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An Analysis of Factors Predicting Graduation of Students at Defense Language Institute Foreign Language Center
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In: DTIC AND NTIS (2004)
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Advanced Search Technologies for Unfamiliar Metadata
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In: DTIC (2001)
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An Evaluation of Individual Empowerment and Self-Efficacy on Sexual Harrassment in the Work Environment
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In: DTIC AND NTIS (1993)
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Re-Estimation of Student Ability in Foreign Languages Using the Rasch Model
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In: DTIC AND NTIS (1988)
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English Diagnostic Test: Validation for Journalism-Related Programs.
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In: DTIC AND NTIS (1985)
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