... 865–874,Uppsala, Sweden, 11-16 July 2010.c2010 Association for Computational Linguistics Creating RobustSupervisedClassifiers via Web-Scale N-gram DataShane BergsmaUniversity of Albertasbergsma@ualberta.caEmily ... web pages. Howwell do supervised and unsupervised NLP systemsperform when used uncustomized, out-of-the-boxon new domains, and how can we best design oursystems for robust open-domain performance?Our ... systematically assess thevalue of using web-scale N-gram data instate-of-the-art supervised NLP classifiers. We compare classifiers that include or ex-clude features for the counts of variousN-grams,...
... handled by the one-versus-allmethod, with n classifiers that each separate oneclass from the rest, or the one-versus-one method,with n(n − 1 ) / 2 classifiers, one for each pair ofclasses (Vural ... to the part-of-speech ofthe next token in the current parser configuration,and train one set of classifiers for each smallerset. Similar techniques have previously been usedby Yamada and Matsumoto ... pages 316–323,Sydney, July 2006.c2006 Association for Computational LinguisticsDiscriminative Classifiers for Deterministic Dependency ParsingJohan HallV¨axj¨o Universityjni@msi.vxu.seJoakim...
... the classifiers and thesame software package for decision tree learning,C5.0 (Quinlan, 1998), is employed. In addition, allour classifiers employ the boosting option for con-structing classifiers ... frequency nouns with old classifiertures only and the classifiers trained on the featureset as a whole. This indicates that the combined classifiers no longer exhibit properties that are notpredictable ... table 8. For these classifiers, the backedoff feature combinations do not differ significantly(at the p<.05 level) from their counterparts in ex-periment 3, where the classifiers were trained...
... Yarowsky. 1995. Unsupervised word sense dis-ambiguation rivaling supervised methods. In Pro-ceedings of ACL’95, pages 189–196, Morristown, NJ,USA. ACL.Zhu Zhang. 2004. Weakly -supervised relation ... (Zhang,2004), in which random feature projection and acommittee of SVM classifiers is used in a hybridco/self-training strategy for weakly supervised re-lation classification and (Chen et al., 2006) wherea ... extraction using label propaga-tion based semi -supervised learning. In Proceedingsof ACL’06, pages 129–136.M. Collins and Y. Singer. 1999. Unsupervised mod-els for named entity classification....
... the difficulties of supervised polarityclassification, it is conceivable that unsupervisedpolarity classification is a very challenging task.Nevertheless, a solution to unsupervised polarityclassification ... potential solutionto this corpus annotation bottleneck is tobuild unsupervised polarity classificationsystems. However, unsupervised learningof polarity is difficult, owing in part to theprevalence ... the two tasks to be capturedand exploited. However, the increased sophistica-tion of supervised polarity classifiers has also re-sulted in their increased dependence on annotateddata. For instance,...
... Consulting Group & AssociatesHƯỚNG DẪN LẬP SƠ ĐỒ KHỐI GIUDELINES ON CREATING FLOWCHARTS HƯỚNG DẪN LẬP SƠ ĐỒ KHỐI GUIDELINE FOR CREATING FLOWCHARTS 11 Các thành viên của nhóm phải là những ... understanding for a joint process HƯỚNG DẪN LẬP SƠ ĐỒ KHỐI GUIDELINES FOR CREATING FLOWCHARTS 070320-Guideline Creating Flowchart – Rod –EN&VN-1.doc i Người liên hệ của GFA ... VậnhànhQuy trình / Manual Operation Kết thúc / TerminatorHƯỚNG DẪN LẬP SƠ ĐỒ KHỐI GUIDELINE FOR CREATING FLOWCHARTS 1 Hướng dẫn này mô tả các quy tắc cơ bản để lập sơ đồ khối mô tả quy...
... (multi-user detection) at the base station withnRreceive antennas.Abstract of thesis entitled Robust Cross-Layer Scheduling Design in Multi-userMulti-antenna Wireless Systemssubmitted byMeilong ... proposed scheduling schemesprovide significant performance enhancement in terms of system goodput, robustness with respectto imperfect CSIT, and quality of service (QoS) guarantees.viList of TablesTable ... capacityloss in systems with perfect CSI. However, we found that rate quantization can enhance robustnesson system performance with respect to outdated CSIT.1Note that the potential packet...