Báo cáo khoa học: "Discursive Usage of Six Chinese Punctuation Marks" pot

... since it is often used in pairs, it is often bound to both the Nucleus and Satellite units of a relation. 6) 82.3% tokens of the six Chinese PMs are uniquely related to EUDAs of certain nucleus ... Syntax of Chinese Dash 42.9% of the colons in CJPL are used in the structural elements6 of the texts. Other than these, 56.5% of the colons are used between clausal strings, only 0.6% of ... Proceedings of the COLING/ACL 2006 Student Research Workshop, pages 43–48,Sydney, July 2006.c2006 Association for Computational LinguisticsDiscursive Usage of Six Chinese Punctuation Marks...

Tài liệu Báo cáo khoa học: "Online Learning of Approximate Dependency Parsing Algorithms" potx

... pro-vide state -of- the-art performance across multiplelanguages. However, the parsing algorithms re-quire that the score of a dependency tree factorsas a sum of the scores of its edges. This ... parsing algorithm. of dependents have been gathered. T his allows forthe collection of pairs of adjacent dependents ina single stage, which allows for the incorporation of second-order scores, ... score of a dependency treeto be the sum of edge scores,s(x, y) =(i,j)∈ys(i, j)where x = x1· · · xnis an input sentence and ya dependency tree for x. We can view y as a set of tree...

Báo cáo khóa học: Structural properties of the protein SV-IV potx

... level of acetylation of a peptide was estimated on the basis of the intensity ratio of the native and acetylated species. From the data summar-ized in Table 1, it can be seen that some of the ... of the monomericform of SV-IV is approximately doubled by the addition of 5.4 mMSDS (Fig. 1), whereas in the 1–70 region, the a-helixcontent increases from 2–3% to  23% in the presence of SDS ... compound.Quantitative analysis of components was performed byintegration of the multiple charged ions of the single species.For protein analysis, the separation was attained with alinear gradient of 20–40% solvent...

Báo cáo khoa học: "Unsupervised Learning of Acoustic Sub-word Units" pot

... Franceemmanuel.dupoux@gmail.comAbstractAccurate unsupervised learning of phonemes of a language directly from speech is demon-strated via an algorithm for joint unsupervisedlearning of the topology and parameters of a hidden Markov model ... im-provement in the efficacy of the SSS algorithm asdescribed in Section 2. It is based on observingthat the improvement in the goodness of fit by upto two consecutive splits of any of the current HMMstates ... eigen-vector of Σsand 0 <   1 is typically 0.2.3. Re-estimate all parameters of this (overgrown)HMM. Gather the Gaussian sufficient statisticsfor each of the 4N states from the last pass of re-estimation:...

Báo cáo khoa học: "Discourse Processing of Dialogues with Multiple Threads" pot

... comparison of the performance of two versions of our discourse processor, one based on strict TST, and one with our extended version of TST, demonstrating that our extension of TST yields ... Implications of this model of Attentional State are explored more fully in (Rosd 1995). 3 Discourse Processing We evaluated the effectiveness of our theory of discourse structure in the context of ... Development of our discourse processor was based on a corpus of 20 spon- taneous Spanish scheduling dialogues containing a total of 630 sentences. Although development and initial testing of the...

Báo cáo khoa học: "TWO TYPES OF PLANNING IN LANGUAGE GENERATION" pot

... text. PAULINE keeps track of the number of times each such goal is satisfied by the selection of some op- tion (of course, a single item may help satisfy a number of goals simultaneously). ... that generators of the future will have to be structured. One insight pertains to the problems encoun- tered when the various tasks of generation both of text planning and of realization ~ ... the Office of Naval Research under contract N00014-82-K-0149. It was also supported by AFOSR contract F49620-87-C-0005. goals are set by the user. The program consists of over 12,000 lines of...

Báo cáo khoa học: Dual role of oxygen during lipoxygenase reactions potx

... calculated from the slope of the initial part of thespectrophotometric progress curves.Statistical evaluationsThe quality of fitting of the kinetic model to the varioussets of experimental data ... coefficient of determination B being the ratio of the explained variation of the data to the total variation. For linear regressionmodels, the coefficient of determination is the squared value of the ... variance of the observed data [32]. Thecoefficient of determination represents the percent of the datathat is the closest to the curve of best fit. For example, if B ¼0.850, it means that 85% of the...

Báo cáo khoa học: "Bayesian Learning of a Tree Substitution Grammar" potx

... the performance of that grammar to that of a heuristically pruned “minimal subset” of it.The latter’s performance was quite good, achiev-ing 90.8% F1score1on section 23 of the WSJ.This ... GrammarMatt Post and Daniel GildeaDepartment of Computer ScienceUniversity of RochesterRochester, NY 14627AbstractTree substitution grammars (TSGs) of- fer many advantages over context-freegrammars ... would like a principled (model-based) means of determining from the data which1The harmonic mean of precision and recall: F1=2P RP +R.set of subtrees should be added to our grammar,and...

Báo cáo khoa học: "The Costs of Inheritance in Semantic Networks" pot

... SNT CI00)) Example of SR representation of the question, =How many entities are used in the state-space representation of a problem? = (REPRESENTATION *OF (STATE-SPACE *OF PROBLE24) HAS (ENTITY ... an.~wering a test sample of questions. This hrief paper offers an initial description of a basic proccs.~ for questioning such a text and an analysis of the cost of using such a procedure. ... that el and e2 are lists of the same length, each of the elements of el matches a corresponding element of e2. Since semantic relations (SRs) are unordered lists of binary relations that...

Báo cáo khoa học: "Domain Adaptation of Maximum Entropy Language Models" potx

... domain, given a large corpus of out -of- domain training data and a small corpus of in-domain data. The main contribution of this∗Currently with Tallinn University of Technology, Esto-niapaper ... consists of the English broadcast newssection of the 2003 NIST Rich Transcription Eval-uation Data. The data includes six news record-ings from six different sources with a total length of 176 ... counterparts (i.e., conjugate gradient descent).Since LMs typically have a vocabulary of tens of thousands of words, the use of a normalizationfactor over all possible outcomes makes estimat-ing a ME...

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