Báo cáo khoa học: "A Note on the Implementation of Hierarchical Dirichlet Processes" docx
Báo cáo khoa học: "A Note on the Implementation of Hierarchical Dirichlet Processes" docx
... that of the DP model after integrating out the distribution G. Note that as long as the base distribution P0isfixed, predictions do not depend on the seatingarrangement z−i, only on the count ... distribution over an infinite set of possible words, P0 (the base distribution of the DP) determines the probability that an item willbe in the support of G, and α0 (the concentrationparameter) ... returnto the case of non-fixed based distributions in amoment.) As an extreme case of the paucity of this approximation consider α1P1(w) = 1 andnw= 1 (i.e. only one customer has entered the restaurant):...
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Báo cáo khoa học: "A Note on the Translation of Swahili into English" pot
... bought"). Prefixes, on the other hand, are added with no amendment to the verb stem, and I see this as one of the reasons why the strong reliance on prefixes will make Swahili reasonably susceptible ... considered as giving rise to an- other single suffix, namely, the concatenation (eni) of the two individual suffixes. We may then write the trans- lation program as if, without exception, only ... are all constructed by adding a suffix to the verb stem. As is usually the case, addition of a suffix often causes modifi- cation of the stem itself. For example, the passive form of a verb...
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Báo cáo khoa học: "Corpus Effects on the Evaluation of Automated Transliteration Systems" docx
... Table 1 summarizes the information about the transliterators and their perception of the giventask. Participants were asked to scale the difficulty of the transliteration of each sub-corpus, ... reportedaccuracy of methods. The effects of corpus composition on the evalua-tion of transliteration systems has not been specif-ically studied, with only implicit experiments orclaims made in the literature ... higher on the EDA7corpus. A correlation test,however, reveals that there is no significant relation-ship between either the number of characters used,nor the number of rules generated, and the...
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Báo cáo khoa học: "Shallow parsing on the basis of words only: A case study" pptx
... its decisionsonly on the information present in the sentence, i.e. on the words themselves. The question then ariseswhether we could use this information directly, andthus save the explicit ... NOM for non-nominal constituents function-ing nominally) and notions like topicalization. Ourchunks are based on the syntactic part of the con-stituent label. The conversion program is the sameas ... and Marcus, 1995). For the function part of the code, the value is either the function for the head of a chunk, or the dummyvalue NOFUNC for all non-heads. For creating the POS-based task, all...
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Báo cáo khoa học: "A Note on Categorial Grammar, Disharmony and Permutation" doc
... Proceedings of EACL '99 A Note on Categorial Grammar, Disharmony and Permutation Crit Cremers Leiden University, Department of General Linguistics P.O. box 9515, 2300 RA Leiden, The Netherlands ... Calculus (Lambek) has the following basis: axiom: X =* X rules: if X Y ~ Z if X =v Z/Y if X =~ Z\Y then X =~ Z/Y and Y ~ Z\X then X Y =~ Z then Y X ::~ Z Permutation Closure of language L (PermL) ... Lambek + Permu- tation = undirected Lambek (Moortgat 1988, Van Benthem 1991; Lambek is maximal, but contextfree) For any assignment A of categorial types to the atoms of language L, if Lambek...
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Báo cáo khoa học: "A CONSIDERATION ON THE CONCEPTS STRUCTURE AND LANGUAGE IN RELATION TO SELECTIONS OF TRANSLATION EQUIVALENTS OF VERBS IN MACHINE TRANSLATION SYSTEMS" doc
... A CONSIDERATION ON THE CONCEPTS STRUCTURE AND LANGUAGE IN RELATION TO SELECTIONS OF TRANSLATION EQUIVALENTS OF VERBS IN MACHINE TRANSLATION SYSTEMS Sho Yoshida Department of Electronics, ... easiness of realization and compact- ness of the size of storage space). i. Selection of Translation Equivalent Selection of translation equivalent of a verb becomes necessary when, (1) the verb ... that the more the noun's relation to human becomes closer and the more the level of abstract of the noun becomes lower the numbers of verbs that are closely related to them ~id therefore...
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Báo cáo khoa học: NMR studies on the interaction of sugars with the C-terminal domain of an R-type lectin from the earthworm Lumbricus terrestris pot
... titration experiments. From the theoreticalcalculations of Kdfor the ratios of sugar-free to sugar-bound peak intensities as a function of sugar concentra-tion, the protein concentration was ... position of the second signalat [sugar] ⁄ [EW29Ch] = 3–4 and the resonance signal of the side-chain NH of Trp33 appeared at the posi-tion of the second signal corresponding to the boundstate ... and the corresponding 1D STD spectrum. The integral value of the H4 proton, the largest signal of b-Me-Gal, was set to 100%. Figure 6C shows the relative degree of saturation of individual protonsnormalized...
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Báo cáo khoa học: A strategy for the generation of specific human antibodies by directed evolution and phage display An example of a single-chain antibody fragment that neutralizes a major component of scorpion venom docx
... scFv 3F. The next cycle of evolution allowed selection of clone 610A. The change at CDR3 of the heavy chain improved both the association constant, and more importantly the dissociation constant. ... g of mouse weight) [13]. Clone 3F was matured by threecycles of directed evolution. The use of a set of stringentconditions in the third cycle allowed the selection of several improved clones. ... for the selection of human antibodies through the creation of large repertoires in vitro [10]. This process beginswith the cloning and expression of cDNAs encoding the variable regions of the...
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Báo cáo khoa học: "A step towards the detection of semantic variants of terms in technical documents Thierry Hamon and Adeline " potx
... relations or combination of synonymy and derivation rela- tions (e.g. heat and thermal) where the cate- gories may be different. Fuzzier relations such as the traditional see- also relations of ... out of 396. On the contrary, about ten wrong links are due to the elision of common terms in the do- main. For instance, the term activitd (activity) which actually corresponds to the term ... corpus by the dictionary. 2.3 Second step: Detection of synonymous candidate terms Assuming that the semantics and the synonymy of the complex candidate terms are composi- tional, we design...
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Báo cáo khoa học: Preliminary Report on the Insertion of English Articles in RussianEnglish MT Output"" pdf
... routines is the selection of one and only one of the four articles (a, an, the, Ø). None of the solutions presented to date in the literature is entirely satisfactory. Two kinds of ambiguity ... its implementation. From the point of view of a produc- 2 tion MT organization, this question is meaningful only in terms of the incrementing of consumer appeal of the product, and it would ... classification operations on the membership of large noun lists without time-con- suming context consultation and/or revisions based upon hindsight. A small burden is deliberately placed upon the...
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