Báo cáo khoa học: "An Active Learning Approach to Finding Related Terms" docx

... LinguisticsAn Active Learning Approach to Finding Related TermsDavid VickreyStanford Universitydvickrey@cs.stanford.eduOscar KipersztokBoeing Research & Technologyoscar.kipersztok@boeing.comDaphne ... For example, to determine how similar(the only sense of) “factory” is to the word “plant,”we compute the similarity of “factory” to the “in-dustrial plant” sense of “plant” and to the “livingthing” ... might besaved by using active learning to ﬁnd good sug-gestions. Also, as Vyas et al. (2009) show, non-expert users often produce poor-quality seed sets.3 Active Learning SystemAny system...

Báo cáo khoa học: "A Machine Learning Approach to German Pronoun Resolution" docx

... for German, we were able to obtain thesystem submitted by (Curran and Clark, 2003) to the 2003 CoNLL competition. In order to run therecogniser, the data needs to be tokenised, taggedand lemmatised, ... presents a novel ensemble learning approach to resolving Germanpronouns. Boosting, the method inquestion, combines the moderately ac-curate hypotheses of several classiﬁers to form a highly accurate ... that this approach is su-perior to a single decision-tree classi-ﬁer. Furthermore, we present a stan-dalone system that resolves pronouns inunannotated text by using a fully auto-matic sequence...

Tài liệu Báo cáo khoa học: "An All-Subtrees Approach to Unsupervised Parsing" pdf

... extends DOP1 to unsupervised parsing(Bod 2006). Its key idea is to assign all unlabeledbinary trees to a set of sentences and to next use (inprinciple) all subtrees from these binary trees to parse ... butsince ML estimation is known to be very sensitive to the initialization of the parameters, it is convenient to start with parameters that are known to performwell. To avoid overtraining, ML-DOP ... relativefrequency estimator corresponds to maximumlikelihood (Chi and Geman 1998), and which weshall refer to as "ML-PCFG". To this end, we useda random 90%/10% division of WSJ40 into atraining...

Báo cáo khoa học: "An Ontology–Based Approach for Key Phrase Extraction" docx

... all redirects that link to the article. A LINK. Each page consists of many links which function not only to point from the page to others, but also to guide readers to pages that provide ... of C2 then C1 is the most specific category. 5. to traverse the ViO ontology from C1 & C2 to find the nearest common ancestor node (C’). Calculate the distance between C1 and ... the sentence to which they are as-signed. For an example, we have a query sentence as follows:“Laptop Dell E1405 có giá bao nhiêu?”. That means “How much does a Dell E1405 lap-top cost? ”....

Báo cáo khoa học: "An HMM-Based Approach to Automatic Phrasing for Mandarin Textto-Speech Synthesis" doc

... Computational Linguistics An HMM-Based Approach to Automatic Phrasing for Mandarin Text- to- Speech Synthesis Jing Zhu Department of Electronic Engineering Shanghai Jiao Tong University zhujing@sjtu.edu.cn ... Department of Electronic Engineering Shanghai Jiao Tong University lijh888@sjtu.edu.cn Abstract Automatic phrasing is essential to Mandarin text- to- speech synthesis. We select word format as ... information related to phonetic feature. For example, in Mandarin, a word can reveal many phonetic features such as pronunciation, syllable number, stress pattern, tone, light tone (if available)...

Báo cáo khoa học: "An Expert Lexicon Approach to Identifying English Phrasal Verbs" pot

... wife died, he had to get through his sadness. After my sister cut her hair by herself, we had to take her to a hairdresser to even her hair out! After the fire, the family had to get by without ... as HPSG to integrate identification in deep parsing cannot be compared with the alternative finite state approach [Breidt et al. 1994]. [Breidt et al.1994]’s approach is similar to our work. ... in order to block spurious matches. For example, active_ V_Pin (formulated below) requires the constraints ‘NOT location NOT time’ after the particle while active_ V_Pfor only needs to check...

Báo cáo khoa học: "An Entity-Level Approach to Information Extraction" pot

... inference to not allow that to occur.4Sentence parse trees are merged into a right-branchingdocument parse tree. This allows us to extend tree distance to inter-sentence nodes.restricted to antecedent ... integral to accurate role identi-ﬁcation, to our knowledge no model has been pro-posed which jointly models these phenomena.In this work, we describe an entity-centered ap-proach to template-ﬁlling ... corresponding role Ri. We useR = (R1, . . . , RK) to denote the vector of tem-plate role parameters. Note that this work assumesthat there is a one -to- one mapping between entitiesand roles; in...

Báo cáo khoa học: "A Supervised Learning Approach to Automatic Synonym Identiﬁcation based on Distributional Features" ppt

... of similarity-based approach wouldbe essential, as pattern-based approach is enhancedwith the supervised machine learning. In this paper, we propose a novel approach to automatic synonym identiﬁcation ... Association for Computational LinguisticsA Supervised Learning Approach to Automatic Synonym Identiﬁcationbased on Distributional FeaturesMasato HagiwaraGraduate School of Information ScienceNagoya ... automatic thesaurusconstruction. To measure the semantic relatednessof words, a concept called distributional similarityhas been widely used. Distributional similarity rep-resents the relatedness...

Báo cáo khoa học: "A Machine Learning Approach to Pronoun Resolution in Spoken Dialogue" docx

... A Machine Learning Approach to Pronoun Resolution in Spoken DialogueMichael Strube and Christoph M¨ullerEuropean Media Laboratory GmbHVilla BoschSchloß-Wolfsbrunnenweg ... (A3) has to have access not only to (B2) but also to (A1).3 Data3.1 CorpusOur work is based on twenty randomly chosenSwitchboard dialogues. Taken together, the dia-logues contain 30810 tokens ... her approach is that she assumes the input to her algorithm to be only referential pronouns. Thissimpliﬁes the task considerably.7 Conclusions and Future WorkWe presented a machine learning approach...

Báo cáo khoa học: "A machine-learning approach to the identification of WH gaps" doc

... machine -learning approach to the identification of WH gapsDerrick HigginsEducational Testing Servicedchiggin@alumni.uchicago.eduAbstractIn this paper, we pursue a multi-modular, statistical approach ... contribution of this paper consists in the de-velopment of a machine -learning approach to theidentification of WH gaps. This approach reducesthe lexical prerequisites for this task, while main-taining ... theWH operator, and train a classifier to trace down-ward from there, eventually predicting the locationof the gap. At each node we encounter, the classi-fier chooses either to recurse into one...

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