Báo cáo khoa học: "Word Sense Induction for Novel Sense Detection" pot

Báo cáo khoa học: "Using Derivation Trees for Treebank Error Detection" potx

... andpoints on either side). See Dickinson and Meur-ers (2003b) for details. This work forms the basis for the DECCA system.12.2 Motivation for Our Approach(2) a. NPqmpsummitNP$rmSharmNPAl$yxthe ... SheikhNP#a3qmpsummit#b1S:1.2NPNP^$rmSharm#b2NPAl$yxThe Sheikh For (2a) For (2b) For (2c) A:1.1,left#b3NPAl$yxThe SheikhA:1.1,left#c3$rmSharmFigure 1: Etrees and Derivation Trees for (2abc).tree-substitution, sister-adjunction, ... to compare for inconsistent an-notation, and are computed separately for each in-stance of each nucleus from the full derivation treethat each instance is part of.5 For example, for comparing...

Tài liệu Báo cáo khoa học: "Unsupervised Translation Induction for Chinese Abbreviations using Monolingual Corpora" ppt

... approach is to transform the abbreviation425into its full-form for which the current SMT systemknows how to translate. For example, if the baselinesystem knows that the translation for “ ” is“Hong ... ∗](1)3.4 Translation Induction for ChineseAbbreviationsGiven a Chinese abbreviation and its full-form, weinduce English translation entries for the abbrevia-tion by using the full-form as a bridge. ... baseline. For each full-formphrase in the randomly selected relations, we gener-ate a baseline hypothesis (i.e., abbreviation) as fol-lows. We ﬁrst generate an abbreviated form for eachword...

Tài liệu Báo cáo khoa học: "An Integrated Environment for Computational Linguistics Experimentation" pot

... that the LinguaStream platformpromotes the combination of purely declarativeformalisms (when GATE is mostly based on theJAPE language and NOOJ focuses on a uniqueformalism), and allows processing ... analy-sis models and methodological concerns. Finally,when other platforms usually enforce the use of adedicated document format, LinguaStream is ableto process any XML document. On the other ... (they provide a formalrepresentation for a linguistic phenomenon) andoperative (they can be considered as instructionsto drive a computational process).Moreover, the platform takes advantage...

Tài liệu Báo cáo khoa học: "A rich environment for experimentation unification grammars" potx

... discussion of the under- lying complexity, for which we unfortunately do not have space here, we give an exter- nal form of a lexical entry for some of the senses of the German verb traeumen. ... PATR-style languages is their lack of facilities for defining new abstractions and expressing linguistic generalisations not foreseen (or even foreseeable) by the language designer. This becomes ... subscripts. Three other special symbols are used: + stands for the unifica- tion operator * stands for top, the underdefined element. # stands for bottom, the overdefined element that corresponds...

Tài liệu Báo cáo khoa học: "A COMMON FRAMEWORK FOR ANALYSIS AND GENERATION" potx

... compo- nent describing their functional structure. For the rule for S, for instance, we add an ele- ment describing what the SUBJECT and PRED are for. We could say that the SUBJECT is the theme ... complete formal paraphrase of (1) must include at least as much information as we have given above. In particular, the logical structure of our para- phrases contains essential information ... consid- erable debate about the best way of representing this information. 2 GENERATION Suppose we have the formula given above as a for- mal paraphrase of (1), and we want to generate an English...

Báo cáo khoa học: "Advanced Online Learning for Natural Language Processing" pot

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Báo cáo khoa học: "Incremental HMM Alignment for MT System Combination" pot

... the order of hypotheses.If hypothesis 2 is aligned before hypothesis 1, theﬁnal CN will not be good. Therefore, the obser-vation in Rosti et al. (2008) that different orderof hypotheses does ... align-ment of any of the hypotheses, no matter how goodthe alignments of other hypotheses are. For ex-ample, suppose we have the backbone “he buys acomputer” and two hypotheses “he bought a lap-top ... all hypotheses, it can be con-ceived as a list of the component translations. For example, the CN in Figure 2b can be convertedto the form in Figure 3. In such an expanded ortabular form,...

Báo cáo khoa học: "Generalizing Tree Transformations for Inductive Dependency Parsing" potx

... treebanks, making the inverse trans-formation for PADT more problematic than for theother treebanks. The absence of a positive effect for PADT is therefore understandable given the deeplynested ... Transformations, Parsers, and TreebanksPseudo-projective parsing and transformations for coordination and verb groups are instances of thesame general methodology:1. Apply a tree transformation ... data-drivenparser designed for (projective) labeled dependencystructures. In this sense, the tree transformationsare independent of parsing methodology. Whetherthe beneﬁcial effect of a transformation, if...

Báo cáo khoa học: "Word Sense Induction for Novel Sense Detection" pot

... lemma with a novel sense, poster, is also the lemma with theleast-frequent novel sense. This result is unsur-prising as our novelty score will be higher for higher-frequency novel senses. The ... Tugwell, 2002)10 for each of these lemmasin the BNC and ukWaC for collocates that likelycorrespond to the novel sense; we exclude anylemma for which we ﬁnd evidence of the novel sense in the BNC, ... frequency ratios for the lemmas with a novel sense, and the distractors, is not signiﬁcant(p > .05).Examining the frequency of the novel senses —shown in column Novel sense freq.” in Table...

Báo cáo khoa học: "Learning Expressive Models for Word Sense Disambiguation" pot

... frequent translation are shown in Table 1. For the monolingual scenario, we use the sense tagged corpus and sense repositories provided for verbs in Senseval-3. There are 32 verbs with be-tween ... simple, containing only the sentence identifier and the sense of the verb in that sentence, i.e. sense( snt, sense) : sense( snt1,voltar). sense( snt2,ir). … Based on the examples, background ... customized for this monolingual task, the ILP approach signif-icantly outperforms the majority sense baseline and performs as well as the state-of-the-art system re-porting results for the same...

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