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Filtering Tweets for Social Unrest ...
Mishler, Alan; Wonus, Kevin; Chambers, Wendy. - : Digital Repository at the University of Maryland, 2017
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Filtering Tweets for Social Unrest
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Data Cleaning for XML Electronic Dictionaries via Statistical Anomaly Detection ...
Bloodgood, Michael; Strauss, Benjamin. - : Digital Repository at the University of Maryland, 2016
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4
Data Cleaning for XML Electronic Dictionaries via Statistical Anomaly Detection
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5
Translation memory retrieval methods
Bloodgood, Michael; Strauss, Benjamin. - : Association for Computational Linguistics, 2014
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6
Analysis of Stopping Active Learning based on Stabilizing Predictions
Bloodgood, Michael; Grothendieck, John. - : Association for Computational Linguistics, 2013
Abstract: Within the natural language processing (NLP) community, active learning has been widely investigated and applied in order to alleviate the annotation bottleneck faced by developers of new NLP systems and technologies. This paper presents the first theoretical analysis of stopping active learning based on stabilizing predictions (SP). The analysis has revealed three elements that are central to the success of the SP method: (1) bounds on Cohen’s Kappa agreement between successively trained models impose bounds on differences in F-measure performance of the models; (2) since the stop set does not have to be labeled, it can be made large in practice, helping to guarantee that the results transfer to previously unseen streams of examples at test/application time; and (3) good (low variance) sample estimates of Kappa between successive models can be obtained. Proofs of relationships between the level of Kappa agreement and the difference in performance between consecutive models are presented. Specifically, if the Kappa agreement between two models exceeds a threshold T (where T > 0), then the difference in F-measure performance between those models is bounded above by 4(1−T)/T in all cases. If precision of the positive conjunction of the models is assumed to be p, then the bound can be tightened to 4(1−T)/((p+1)T).
Keyword: active learning; agreement metrics; agreement statistics; annotation bottleneck; artificial intelligence; Cohen's Kappa; computational linguistics; computer science; contingency table analysis; F-measure; F-score; Kappa statistic; machine learning; natural language processing; performance bounds; query learning; relationship between Kappa and F-measure; selective sampling; stabilizing predictions; statistical analysis; stopping criteria; stopping methods
URL: http://hdl.handle.net/1903/15526
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7
Statistical Modality Tagging from Rule-based Annotations and Crowdsourcing
Prabhakaran, Vinodkumar; Bloodgood, Michael; Diab, Mona. - : Association for Computational Linguistics, 2012
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8
Use of Modality and Negation in Semantically-Informed Syntactic MT
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9
Detecting Structural Irregularity in Electronic Dictionaries Using Language Modeling ...
Rodrigues, Paul; Zajic, David; Doermann, David. - : Digital Repository at the University of Maryland, 2011
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10
Detecting Structural Irregularity in Electronic Dictionaries Using Language Modeling
Bloodgood, Michael; Ye, Peng; Rodrigues, Paul. - : Trojina Institute for Applied Slovene Studies, 2011
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11
Semantically-Informed Syntactic Machine Translation: A Tree-Grafting Approach ...
Baker, Kathryn; Bloodgood, Michael; Callison-Burch, Chris. - : Digital Repository at the University of Maryland, 2010
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12
Semantically-Informed Syntactic Machine Translation: A Tree-Grafting Approach
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13
Using Mechanical Turk to Build Machine Translation Evaluation Sets
Bloodgood, Michael; Callison-Burch, Chris. - : Association for Computational Linguistics, 2010
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14
Bucking the Trend: Large-Scale Cost-Focused Active Learning for Statistical Machine Translation
Bloodgood, Michael; Callison-Burch, Chris. - : Association for Computational Linguistics, 2010
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15
A Method for Stopping Active Learning Based on Stabilizing Predictions and the Need for User-Adjustable Stopping ...
Bloodgood, Michael; Vijay-Shanker, K. - : Digital Repository at the University of Maryland, 2009
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16
Taking into Account the Differences between Actively and Passively Acquired Data: The Case of Active Learning with Support Vector Machines for Imbalanced Datasets ...
Bloodgood, Michael; Vijay-Shanker, K. - : Digital Repository at the University of Maryland, 2009
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17
A Method for Stopping Active Learning Based on Stabilizing Predictions and the Need for User-Adjustable Stopping
Bloodgood, Michael; Vijay-Shanker, K. - : Association for Computational Linguistics, 2009
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18
Taking into Account the Differences between Actively and Passively Acquired Data: The Case of Active Learning with Support Vector Machines for Imbalanced Datasets
Bloodgood, Michael; Vijay-Shanker, K. - : Association for Computational Linguistics, 2009
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19
An Approach to Reducing Annotation Costs for BioNLP ...
Bloodgood, Michael; Vijay-Shanker, K. - : Digital Repository at the University of Maryland, 2008
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20
An Approach to Reducing Annotation Costs for BioNLP
Bloodgood, Michael; Vijay-Shanker, K. - : Association for Computational Linguistics, 2008
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