Báo cáo khoa học: "A Comparative Study of Hypothesis Alignment and its Improvement for Machine Translation System Combination" pot

... Proceedings of the 47th Annual Meeting of the ACL and the 4th IJCNLP of the AFNLP, pages 941–948,Suntec, Singapore, 2-7 August 2009.c2009 ACL and AFNLPA Comparative Study of Hypothesis Alignment and ... Indirect-HMM-based Hypothesis Alignment for Combining Outputs from Machine Translation Systems. In Proceeding of EMNLP. Hawaii, US, Oct. F. Huang and K. Papinent. 2007. Hierarchical System Combination for ... alignments are ready, we start from the intersection of the two word alignments, and then continuously add new links between backbone and hypothesis if and only if both of the two words of...

Báo cáo khoa học: A comparative study of type I and type II tryparedoxin peroxidases in Leishmania major pot

... to thank Hongtu Ye for preliminary stud-ies, Susan Wyllie and Neil Greig for producing anti-serum to TDPX1, TryX and TryP and AhilanSaravanamuthu and Anna S.F. Marques for providingrecombinant ... of the TDPX and TryP classes of Fig. 9. Emission spectra of TDPX1 and cysteine mutants Cys35Ala and Cys83Ala. The proteins (20 lM) were measured under reduced(10 mM dithiothreitol) and oxidized ... intramolecular and intermolecular disul-ﬁde formation cannot be ruled out based on our cur-rent ﬁndings.During completion of this study, Schlecker et al.reported that, for TbTDPX3, Cys47 is essential for...

Báo cáo khoa học: "A Comparative Study of Parameter Estimation Methods for Statistical Natural Language Processing" potx

... . Performance of the application is measured in terms of character error 2 The result of ME/L2 is better than that reported in Andrew and Gao (2007) due to the use of the variant of L2-regularized ... See Gao et al. (2006) for implementation details, and Zhao and Yu (2004) for a theoretical justification for BLasso. 1 Set w0 = argminw0ExpLoss(w); and wd = 0 for d=1…D 2 Select a ... experiments of parse re-ranking and LM adaptation, and found that on both tasks it leads to a significant improvement in performance for the L2-regularied ME estimator but not for the L1-regularied...

Báo cáo khoa học: "A Comparative Study of Reinforcement Learning Techniques on Dialogue Management" pdf

... Association for Computational LinguisticsA Comparative Study of Reinforcement Learning Techniques onDialogue ManagementAlexandros PapangelisNCSR ”Demokritos”,Institute of Informatics& ... particularlyon applying Reinforcement Learning (RL)techniques, so a comparative study of therelated methods, such as this, is necessary.In this work we compare several standard and state of the art online ... emotional state and current mood and also adapt its output to the user’s expertise level.The system itself has an emotional state that is af-fected by the user and affects its output.An example...

Báo cáo khoa học: A comparative study of methylglyoxal metabolism in trypanosomatids potx

... hydrolysingthiol esters of simple acids such as formic acid, succi-nic acid and mandelic acid [13]. The identiﬁcation of the true physiological substrate of T. brucei GLO2 willform the basis of our future ... metabolism of T. brucei and directly compare it to that of T. cruzi and L. major.Results and DiscussionAnalysis of methylglyoxal-catabolizing enzymesin trypanosomatid cell extractsSequencing of the ... ª 2008 FEBSA comparative study of methylglyoxal metabolismin trypanosomatidsNeil Greig, Susan Wyllie, Stephen Patterson and Alan H. FairlambDivision of Biological Chemistry and Drug Discovery,...

Báo cáo khoa học: "A Comparative Study of Target Dependency Structures for Statistical Machine Translation" ppt

... words and 10.4M En-glish words. The NIST 2003 and 2005 test dataare respectively taken as the development and testset. We performed GIZA++ (Och and Ney, 2003) and the grow-diag-ﬁnal -and symmetrizing ... 2003) parser, Enju1(Miyao and Tsujii, 2008) and (2) a state -of- the-artCCG parser2(Clark and Curran, 2007). The moti-vation of this paper is to investigate the impact of these non-isomorphic ... dependency LMs. For intu-itive comparison, an outside SMT system is Moses(Koehn et al., 2007). For Chinese-to-English translation, we use theparallel data from NIST Open Machine Translation Evaluation...

Báo cáo khoa học: A comparative analysis of the transcriptome and signal pathways in hepatic differentiation of human adipose mesenchymal stem cells doc

... inability to withstand freeze ⁄ thaw procedures.Therefore, our system will provide a valuable tool, inaddition to primary hepatocytes, for study of themolecular basis of the regenerative and developmentalprocesses ... utilized for genome-wide proﬁling of theDNA methylation status of AT-MSCs and AT-MSC-Hepa. Preliminary data show that the promoter region of 39 genes was hypermethylated and that of eightgenes ... emphasis has therefore been placed onthe development of in vitro test systems. Although pri-mary human hepatocytes are the best source of cells for such systems, their use for this purpose is...

Báo cáo khoa học: "A PARAMETERIZED APPROACH TO INTEGRATING ASPECT WITH LEXICAL-SEMANTICS FOR MACHINE TRANSLATION" doc

... basis for a machine translation system. The following section discusses how the two levels of knowledge, aspectual and lexical-semantic, are used in an interlingual model of machine translation. ... occurs before the adjunct event. See Dorr (1991) and Dorr and Gaasterland (submitted) for more details about the relationship between temporal information and aspectual information and the ... Institute for Advanced Computer Studies at the University of Maryland. A special thanks goes to Terry Gaasterland and Ki Lee for helping to close the gap between properties of aspectual information...

Báo cáo khoa học: "A Stochastic Language Model using Dependency and Its Improvement by Word Clustering" ppt

... a sequence of units called bunsetsu composed of one or more content words and function words. Let Cont be a set of content words, Func a set of function words and Sign a set of punctuation ... grammar used for syn- tactic analysis consists of rewriting rules (see for- mula (3)) in Chom~ky normal form (Hopcroft and Ullman, 1979) except for the derivation from the start symbol (formula ... independent of the others. Then this relation is representing by the following form of rewriting rule of CFG: B =~ AB, where A is the at- tribute of the anterior bunsetsu and B is that of the posterior....

Báo cáo khoa học: "Stochastic Language Generation Using WIDL-expressions and its Application in Machine Translation and Summarization" pot

... Generation Using WIDL-expressions and its Application in Machine Translation and SummarizationRadu SoricutInformation Sciences InstituteUniversity of Southern California4676 Admiralty Way, Suite ... generic sentence real-ization system within end-to-end language appli-cations. The WIDL formalism, an extension of the IDL-expressions formalism of Nederhof and Satta (2004), has several crucial ... ﬁnite sets of strings.Given a ﬁnite alphabet of symbols, atomicWIDL-expressions are of the form , with . For a WIDL-expression , its semantics isa probability distribution, where and . Complex...

Xem thêm