Báo cáo khoa học: "A Term Recognition Approach to Acronym Recognition" pot
Tài liệu Báo cáo khoa học: "A Ranking-based Approach to Word Reordering for Statistical Machine Translation" doc
... naturally translated into a rankingproblem: to reorder, we determine a “rank” for eachchild, then the children are sorted according to their“ranks”. As it is often impractical to directly assigna ... Model Training To learn ranking function in Equation (1), we need to determine the feature set θ and learn weight vectorw from reorder examples. In this section, we firstdescribe how to extract ... converted to dependency trees us-ing Stanford Parser (Marneffe et al., 2006). We con-vert the tokens in training data to lower case, andre-tokenize the sentences using the same tokenizerfrom...
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Tài liệu Báo cáo khoa học: "A Fully Bayesian Approach to Unsupervised Part-of-Speech Tagging∗" docx
... differences hold to alesser degree when a partial dictionary is provided.With MLHMM, different tokens of the same wordtype are usually assigned to the same cluster, buttypes are assigned to clusters ... We would also like to thankNoah Smith for providing us with his data sets.Eisner, 2005). Nearly all of these approaches haveone aspect in common: the goal of learning is to identify the set ... tagdictionary to no dictionary at all. We introduce theuse of a new information-theoretic criterion, varia-tion of information (Meilˇa, 2002), which can be used to compare a gold standard clustering to...
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Tài liệu Báo cáo khoa học: "A Feature Based Approach to Leveraging Context for Classifying Newsgroup Style Discussion Segments" pptx
... state of a simple finite-state automaton that only has two states. The automaton is set to initial state (q0) at the top of a message. It makes a transition to state (q1) when it encounters ... is to enable the quality and nature of discussions that occur within an on-line discussion board to be communicated in a summary to a potential new-comer or group moderators. We propose to ... where a message appears. We refer to this feature as deep. This is expected to improve per-formance to the extent that thread initial messages may be rhetorically distinct from messages that...
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Báo cáo khoa học: "A Nonparametric Bayesian Approach to Acoustic Model Discovery" docx
... thefuture, we plan to explore phonological context anduse more flexible topological structures to modelacoustic units within our framework.AcknowledgementsThe authors would like to thank Hung-an ... R39 to denote the tthfeature frame of theithutterance. Fig. 1 illustrates how the speech signalof a single word utterance banana is converted to asequence of feature vectors xi1 to xi11.Boundary ... gi0 to be the beginning ofan utterance, and Li to be the number of boundaryframes in an utterance. For the example shown inFig. 1, Liis equal to 6.Segment (pij,k) We define a segment to...
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Báo cáo khoa học: "A Two-step Approach to Sentence Compression of Spoken Utterances" pdf
... first step, 8 anno-tators were asked to select words to be removed to compress the sentences. In the second step, 6 an-notators (different from the first step) were asked to pick the best one ... andreranking is able to yield additional gain, espe-cially when training is performed to take intoaccount multiple references.1 IntroductionSentence compression aims to preserve the most ... propose to use a two-step approach in this pa-per for sentence compression of spontaneous speechutterances. The contributions of our work are:• Our proposed two-step approach allows us to incorporate...
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Báo cáo khoa học: "A Syntax-Free Approach to Japanese Sentence Compression" potx
... trimming approach is that they have the poten-tial to drop arbitrary words from the original sen-tence without the need to consider the boundariesdetermined by the tree structures. This approach ... alternative to these tree trimmingapproaches, sequence-oriented approaches havebeen proposed (McDonald, 2006; Nomoto, 2007;Hori and Furui, 2003; Clarke and Lapata, 2006).Nomoto (2007) and ... Syntax-Free Approach to Japanese Sentence CompressionTsutomu HIRAO, Jun SUZUKI and Hideki ISOZAKINTT Communication Science Laboratories, NTT Corp.2-4 Hikaridai, Seika-cho, Soraku-gun, Kyoto 619-0237...
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Báo cáo khoa học: "A Noisy-Channel Approach to Question Answering" docx
... theorem prover shows that the atomic formula that corresponds to the question term “age” can be inferred from the atomic formula that corresponds to the answer term “old” using an axiom that ... “legal” is related to “rule”, which in turn is related to “mandatory”; that “age” is related to “aged”; and that “Argentine” is related to “Argentina”. It is not difficult to see by now that ... S that is likely to be an answer to Q and assigns a score to it. Once one has these two modules, one has a QA system because finding the answer to a question Q amounts to selecting the sub-string...
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Báo cáo khoa học: "A multi-staged approach to identifying complex events in textual data" ppt
... as tailored to the financial do-main, and some forward-looking exten-sions to the approach that enables users to specify classifications on the fly.1 IntroductionOur goal is to support the ... layoff. A second concern is thus to enable end users to interpret facts and eventsthrough automated context assessment.The route we have taken towards this end is to model the domain of corporate ... trainingBecause we had no existing methods to addressfinancial events or relations, we took this oppor-tunity to develop a trainable approach. Recentwork has begun to address relation and eventextraction...
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Báo cáo khoa học: "A Memory-Based Approach to the Treatment of Serial Verb Construction in Combinatory Categorial Grammar" pdf
... ‘Kla goes out to seek Laay in the cane fieldand he finds that it is about to walk away.’The sentence in (17) are split into two SVCs: theseries of V1 to V3and the series of V4 to V5, be-cause ... gener-ative power for a particular language by annotatingmodalities to the slashes to allow or ban specificcombinatory operations. Due to the page limita-tion, the multimodal CCG is not discussed ... incorporated withvariable quantification to resolve pro-forms andVP ellipses to their antecedents. The variablequantification in TLG is comparable to the useof memory in storing antecedents and anaphora.13In...
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Báo cáo khoa học: "A RULE-BASED APPROACH TO EVALUATING IMPORTANCE IN DESCRIPTIVE TEXTS" pptx
... propose a procedural, rule-based approach to importance evaluation. This novel approach is supported by a prototype experimental system, called importance evaluator, that can deal with descriptive ... - it is relevant to the topic of discourse (Lehnert 1982 and 1984); it is useful to clarify the relations that make discourse coherent (Hobbs, 1982); it relates to the topic-focus articulation ... literature on operating systems. The evaluator relies on a set of importance rules that are used to assign importance values to the different parts of a text and to resolve or explain conflicting evaluations....
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