active learning from positive and unlabeled data
Báo cáo khoa học: "A Combination of Active Learning and Semi-supervised Learning Starting with Positive and Unlabeled Examples for Word Sense Disambiguation: An Empirical Study on Japanese Web Search Query" pdf
... a method of active learning for WSD with pseudo negative examples, which are selected from unlabeled data by a classifier trained with positive and unlabeled examples. McCallum and Nigam (1998) ... 61–64,Suntec, Singapore, 4 August 2009.c2009 ACL and AFNLPA Combination of Active Learning and Semi-supervised Learning Starting with Positive and Unlabeled Examples for Word Sense Disambiguation: ... motivated us to study active learning for WSD starting with only positive ex-amples. The previous techniques (Chan and Ng, 2007; Chen et al. 2006) require balanced positive and negative examples...
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Báo cáo khoa học: "Boosting Statistical Word Alignment Using Labeled and Unlabeled Data" ppt
... the labeled data and the unlabeled data. Then we build a pseudo reference set for the unlabeled data, and calculate the error rate of each word aligner using only the labeled data. Based ... alignment as a case study. 5.1 Data We have two kinds of training data from general domain: Labeled Data (LD) and Unlabeled Data (UD). The Chinese sentences in the data are automatically segmented ... labeled data and large amounts of unlabeled data. The proposed approach modifies the super-vised boosting algorithm to a semi-supervised learning algorithm by incor-porating the unlabeled data. ...
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How Do Earnings Change When Reservists Are Activated - A Reconciliation of Estimates Derived from Survey and Administrative Data docx
... at RAND oversaw data management for the project including obtaining and processing military personnel records, writing analysis programs, and facilitating data transfer to and from DMDC and ... discrepancies between survey and administrative data include Goldman and Smith (2001), Denmead and Turek (2005), Hurd and Rohwedder (2006), Kapteyn and Ypma (2007), and Haider and Loughran (2008). ... Base Year and Out Year and Active- Duty Days Served in the Out Year 37 A.2. Gross and Net Earnings Differences, by Base and Out Year 39 A.3. Gross and Net Earnings Losses, by Base and Out Year...
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Tài liệu Báo cáo khoa học: "Learning with Unlabeled Data for Text Categorization Using Bootstrapping and Feature Projection Techniques" doc
... classifier with robustness from noisy data (Ko and Seo, 2004). How can labeled training data be automatically created from unlabeled data and title words? Maybe unlabeled data don’t have any information ... A. McCallum, S. Thrun, and T. Mitchell, 1998, Learning to Classify Text from Labeled and Unlabeled Documents, In Proc. of AAAI-98. K. P. Nigam, 2001, Using Unlabeled Data to Improve Text Classification, ... related works, we presented two approaches using unlabeled data in text categorization; one approach combines unlabeled data and labeled data, and the other approach uses the clustering technique...
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Báo cáo khoa học: "Learning Effective Multimodal Dialogue Strategies from Wizard-of-Oz data: Bootstrapping and Evaluation" pot
... (for training RL) from suchlimited data. The use of WOZ data has earlier been proposedin the context of RL. (Williams and Young, 2004)utilise WOZ data to discover the state and actionspace ... using data- driven methods. The em-ployed database contains 438 items and is similar inretrieval ambiguity and structure to the one used inthe WOZ experiment. The dialogue system used for learning ... FP6project “TALK: Talk and Look, Tools for Am-bient Linguistic Knowledge (IST 507802, www.talk-project.org), from the EPSRC, projectno. EP/E019501/1, and from the IRTG SaarlandUniversity.645...
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Tài liệu Adding, Modifying, and Removing DataRowView Objects from a DataView docx
... Country " + " ;FROM Customers"; SqlDataAdapter mySqlDataAdapter = new SqlDataAdapter(); mySqlDataAdapter.SelectCommand = mySqlCommand; DataSet myDataSet = new DataSet(); mySqlConnection.Open(); ... System .Data. SqlClient; class AddModifyAndRemoveDataRowViews { public static void DisplayDataRow( DataRow myDataRow, DataTable myDataTable ) { Console.WriteLine("\nIn DisplayDataRow()"); ... ADDMODIFYANDREMOVEDATAROWVIEWS.CS /* AddModifyAndRemoveDataRowViews.cs illustrates how to add, modify, and remove DataRowView objects from a DataView */ using System; using System .Data; ...
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Báo cáo khoa học: Post-translational modifications in the active site region of methyl-coenzyme M reductase from methanogenic and methanotrophic archaea potx
... MCR I and MCR II from Methanothermobacter marburgensis,MCR I from Methanocaldococcus jannaschii and Methanoculleus thermophi-lus, and MCR from Methanococcus voltae, Methanopyrus kandleri and Methanosarcina ... isoen-zyme I from Methanothermobacter marburgensis , MCR from Methanosarcina barkeri,andMCRfromMethano-pyrus kandleri [7]. In case of the enzyme from Methano-thermobacter marburgensis and Methanosarcina ... isoenzymes from Methanothermobacter mar-burgensis and in the enzymes from Methanococcus vol-tae, Methanoculleus thermophilus and Methanosarcinabarkeri, but is not methylated in the enzyme from Met-hanopyrus...
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Báo cáo khoa học: "Phrase-based Statistical Language Generation using Graphical Models and Active Learning" potx
... a ‘gold standard’ humanutterance from our dataset, which they must com-pare with utterances generated by models trainedwith and without active learning on a set of 20, 40,100, and 362 utterances ... initial dataset.As far as the learning method is concerned, apaired t-test shows that models trained on 20 and 40 utterances using active learning significantlyoutperform models trained using random ... random sampling and active learning. Differences for training setsizes of 20 and 40 are all significant (p < .05).6 Related workWhile most previous work on trainable NLG re-lies on a handcrafted...
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THE DEGREE OF JUDICIAL ENFORCEMENT AND CREDIT MARKETS: EVIDENCE FROM JAPANESE HOUSEHOLD PANEL DATA ppt
... graduated from college (COLLEGE); (8) the logarithm of the sum of the value of financial assets (bank and postal deposits and investment securities) and the value of real assets (land and housing) ... and X are economic and demographic household characteristics that affect loan supply and demand, and E are three dummy variables (1st Enforcement Quartile, 2nd Enforcement Quartile, and ... 125, 150, and 112 in 2003, 2004, 2005, 2006, and 2007, respectively. There are three advantages to using data from the JPSC. The biggest advantage of using the JPSC data is that this data set...
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Visual Event Recognition in Videos by Learning from Web Data ppt
... RECOGNITION IN VIDEOS BY LEARNING FROM WEB DATA 1679 Visual Event Recognition in Videosby Learning from Web Data Lixin Duan, Dong Xu, Member, IEEE, Ivor Wai-Hung Tsang, and Jiebo Luo, Fellow, ... samples) from the target domain and auxiliary domain are used tocalculate h in (6). Note that all test samples are used as unlabeled data during the learning process.Table 3 reports the means and ... observe that the absolute values of 1 and 2are alwaysDUAN ET AL.: VISUAL EVENT RECOGNITION IN VIDEOS BY LEARNING FROM WEB DATA 1675TABLE 3Means and Standard Deviations (Percent) of MAPs over...
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Báo cáo khoa học: "Attacking Parsing Bottlenecks with Unlabeled Data and Relevant Factorizations" pdf
... 84.3dpo3 (Grand+Sib) 93.21 44.8 89.6 86.9dpo3 +Unlabeled (Edges) 93.12 43.6 85.3 87.0dpo3 +Unlabeled (Sib) 93.15 43.7 85.5 86.8dpo3 +Unlabeled (Grand) 93.55 46.1 90.6 87.5dpo3 +Unlabeled (Grand+Sib) ... may not add some additional gains.4 Using Unlabeled Data EffectivelyAssociations from unlabeled data have the poten-tial to improve both conjunctions and prepositions.We predict that web counts ... the data representation and the learning representation both capture relevant prop-erties of prepositions and conjunctions. We predictthat Conversion 2 and a factorization which includesgrand-parent...
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Civilization and Beyond Learning From Hist doc
... and use of land were shared with the temples and with those members of the nobility closest tothe ruling monarch. Hence there were state lands and state income and temple lands and temple income. ... animals and working the land, could releasea comparatively large part of the population to devote its time and energy to trade and commerce, to industry and transport, to the arts and sciences and ... bymerchants and bankers who owned it and used it for their purposes. Accumulating wealth and money enabledthe traders, merchants, bankers and manufacturers to out-buy and out-point landlords and churchmen.Politically,...
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Báo cáo khoa học: "Semi-Supervised Sequential Labeling and Segmentation using Giga-word Scale Unlabeled Data" pdf
... 1G-word unlabeled data 93.66 89.36 37M-word unlabeled data (Ando and Zhang, 2005) 93.15 89.31 27M-word unlabeled data (Florian et al., 2003) 93.87 88.76 own large gazetteers,2M-word labeled data (Suzuki ... PTB III data evaluated by label accuracysystem test additional resourcesJESS-CM (CRF/HMM) 95.15 1G-word unlabeled data 94.67 15M-word unlabeled data (Ando and Zhang, 2005) 94.39 15M-word unlabeled ... Results for POS tagging (PTB III data) , syntactic chunking (CoNLL’00 data) , and NER (CoNLL’03 data) incorporated with 1G-words of unlabeled data, and the performance gain from supervised CRFᎀ፵፸ᎀ፵፹ᎀ፵፺ᎀ፵፻፷...
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Báo cáo khoa học: "Learning from evolving data streams: online triage of bug reports" potx
... col-lect data from several open issue trackers, use theminimal amount of simple preprocessing and fil-ter heuristics to get useful input data, and publiclyshare both the raw and preprocessed data. We ... situation.4.1 Progressive validationWhen learning from data streams the standardevaluation methodology where data is split into aseparate training and test set is not applicable. Anevaluation ... stream forexploratory data analysis and feature and param-eter tuning, and then use progressive validation toevaluate on entirely unseen test data. Below wespecify the size and number of unique...
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Learning from My Mother’s Voice Family Legend and the Chinese American Experience pptx
... thatunfold in the oral history. The themes of promise and obligation, loss and abandonmentguilt, poverty and survival, ritual and sacrifice, and pride and respect,spoken through the voice of a Chinese ... culture and the connections with family and community promote resiliency and happiness. At the same time, the obligations of family prescribed by cul-ture and guilt over abandoning family and culture ... areabandoned and shamed. These stories mimic Asian values and are writ-ten from Western perspectives. Westerners often fail to understand thatthe latter portrayals victimize Asian women and...
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Tìm thêm: khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản khảo sát chương trình đào tạo gắn với các giáo trình cụ thể tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu nội dung cụ thể cho từng kĩ năng ở từng cấp độ xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ lồng sóc mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ hệ số công suất cosp fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha sự cần thiết phải đầu tư xây dựng nhà máy từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008