Báo cáo khoa học: "FACTORING RECURSION AND DEPENDENCIES: AN ASPECT OF TREE ADJOINING GRAMMARS (TAG) AND A COMPARISON OF SOME FORMAL PROPERTIES OF TAGS, GPSGS, PLGS, AND LPGS " pot

... FACTORING RECURSION AND DEPENDENCIES: AN ASPECT OF TREE ADJOINING GRAMMARS (TAG) AND A COMPARISON OF SOME FORMAL PROPERTIES OF TAGS, GPSGS, PLGS, AND LPGS * Aravind K. Joshi Department of ... dependencies that transformational grammars in their various incarnations have tried to account for can be satisfactorily captured by classes of rules that are non-transformational and at the same Clme ... this language (although for TAG's a proof is not in hand yet), LFG's can generate this language. In a TAG for each elementary tree, we can add mare elementary trees, systematically...

Tài liệu Báo cáo khoa học: "Minimal Recursion Semantics as Dominance Constraints: Translation, Evaluation, and Analysis" pptx

... a x a ycafeteriaxsaunay and e,x,yprop a x a ycafeteriaxsaunay, and e,x,yavailableeprop a x a ycafeteriaxsaunay and e,x,yavailableepropϕ1ϕ2Figure 7: An MRS for A sauna ... Minimal Recursion Semantics as Dominance Constraints:Translation, Evaluation, and AnalysisRuth Fuchss,1Alexander Koller,1Joachim Niehren,2 and Stefan Thater11Dept. of Computational Linguistics, ... constraintadds an additional argument handle to and and places a dominance edge from this handle to “avail-able.” In fact, the constraint is a net; it has exactlytwo readings.6.2 Qeq is dominanceFor...

Tài liệu Báo cáo khoa học: Epidermal growth factor receptor in relation to tumor development: EGFR gene and cancer ppt

... mul-tiple signalling pathways, including mitogen-activatedprotein kinase, phosphatidylinositol 3-kinase ⁄ AKT and the signal transducer and activator of transcription(STAT)3 and STAT5 pathways (Fig. ... foramphiregulin, EGF and transforming growth factor -a are viable [4]. These ligands are synthesized as trans-membrane proteins, and soluble ligands (growthfactors) are released into the extracellular ... dimerization partner.EGFR overexpression and cancerEGFR is expressed in a variety of human tumors,including those in the lung, head and neck, colon,pancreas, breast, ovary, bladder and kidney, and...

Tài liệu Báo cáo khoa học: High affinity copper binding by stefin B (cystatin B) and its role in the inhibition of amyloid fibrillation docx

... P79S mutant of the variant atboth pH 7 and pH 5. Each panel is a plot of heat change on ligand addition (kcalÆmole)1)against the ligand ⁄ stefin molar ratio for one of the proteins analysed. ... and Manca Kenig forcloning and isolating the recombinant proteins. Wealso are grateful to Sabina Rabzelj and Sasˇ a JenkoKokalj for performing certain SEC experiments and for activity measurements. ... near UV CD spectra of stefin A, stefin B, and the P79S mutant. It can be seenthat spectra of stefin B and the P79S mutant are verysimilar in shape whereas that of stefin A is different.This is accounted...

Tài liệu Báo cáo khoa học: Speciﬁc interaction between the classical swine fever virus NS5B protein and the viral genome pdf

... were analyzedon an agarose g el. As expected, the newly synthesized RNAfrom the RNA polymerization containing +RNA1 and +RNA2 was de tected (Fig. 5A, lanes 1 and 2 ). +RNA3,+RNA4 and +RNA5 were ... +RNA3 +RNA4 +RNA5C––RNA1 –RNA2 –RNA3 –RNA4 –RNA5CGGCC +RNA1CGGC +RNA2CGG +RNA3C +RNA4+RNA5ACCTCGTATAC –RNA0ACCTCGTATA –RNA1ACCTC –RNA2ACC –RNA3AC –RNA4–RNA5Fig. 4. Map ping of ... e activity of the minus-strand3¢ UTR is stronger than the plus-strand 3¢ UTR ininitiation of RNA synthesis. Indeed, it i s observed that a greater amount of plus-strand RNA than minus-strandRNA...

Tài liệu Báo cáo khoa học: "Extracting Comparative Sentences from Korean Text Documents Using Comparative Lexical Patterns and Machine Learning Techniques" doc

... comparative, JJS: adjective and superla-tive, RBR: adverb and comparative, and RBS: adverb and superlative 153validation show the overall precision of 88.68% and the overall recall of 88.40%. ... Tags for compar-ative and superlative in English1, whereas, unfor-tunately, the POS tagger of Korean does not pro-vide any comparative and superlative tags be-cause the analysis of Korean ... as an agglutinative lan-guage and that of English as an inflecting lan-guage have seriously different aspects. One of the greatest differences related to our work is that there are Part -of- Speech...

Tài liệu Báo cáo khoa học: Changes in rat liver mitochondria with aging Lon protease-like activity and N e-carboxymethyllysine accumulation in the matrix doc

... two bands of 60 and 150 kDa strongly visible at 10 months (lane 1) wereabsent at 27 months, and an important band of 70 kDa(lane 2) emerged in this latter sample. Western blotting withmAb 6D12 ... (lane 1)contained 14 bands intensely stained over an apparentrange of 10–170 kDa, with the most prominent band at60 kDa (lane 1). In the 27-month-old preparations (lane 2)only eight main bands ... bands are stained, with two intense signals of 70 and 50 kDa, while the bands at 60 and 150 kDavanished.With oxyblot (Fig. 4C), antibodies stained carbonylatedproteins mainly in band ranges of...

Tài liệu Báo cáo khoa học: The tungsten-containing formate dehydrogenase from Methylobacterium extorquens AM1: Puriﬁcation and properties docx

... extorquens AM1.Fig. 1. SDS/PAGE analysis of puriﬁed FDH1 of M. extorquens AM1.Proteins were separated in a 10% polyacrylamide gel and stained withCoomassie brilliant blue R250. Lane A, molecular mass ... (Merck)as a standard. Acid-labile sulfur was determined as methy-lene blue [28] using Na2S as standard. Covalently and noncovalently bound ﬂavins were determined as described[29]. For pterin cofactor ... mMfor sodiumformate and 0.07 mMfor NAD+. Sodium azide is knownas a transition state analogue of formate and therefore a general inhibitor of FDHs [39]. A 50% inhibitory effect wasobserved in...

Báo cáo khoa học: Cysteine residues exposed on protein surfaces are the dominant intramitochondrial thiol and may protect against oxidative damage docx

... thiolsare the dominant free thiol within the cell and may play a critical role inintracellular antioxidant defences against oxidative damage.AbbreviationsACA, e-amino-n-caproic acid; AMS, 4-acetamido-4¢-maleimidylstilbene-2,2¢-disulfonic ... thiol and that they may play an important role in intracellular antioxidant defences.ResultsQuantiﬁcation of exposed protein thiols and GSHin tissue subfractionsTo assess the importance for antioxidant ... cys-teine, and uric acid at physiological pH. Free Radic BiolMed 32, 1314–1323.30 Levonen AL, Landar A, Ramachandran A, Ceaser EK,Dickinson DA, Zanoni G, Morrow JD & Darley-Usmar VM (2004)...

Báo cáo khoa học: "Enhancing Language Models in Statistical Machine Translation with Backward N-grams and Mutual Information Triggers" ppt

... fromtraining data to enhance conventional n-gram lan-guage models and extend their ability to capturericher contexts and long-distance dependencies. Inparticular, we integrate backward n-grams and ... language models (Zhanget al., 2006; Emami et al., 2007; Brants et al., 2007;Talbot and Osborne, 2007) and syntax-based lan-guage models (Charniak et al., 2003; Shen et al.,2008; Post and Gildea, ... Meeting of the Association for ComputationalLinguistics, pages 152–158, Santa Cruz, California,USA, June.Dekai Wu. 1997. Stochastic inversion transduction grammars and bilingual parsing of parallel...

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