báo cáo khoa học: " The influence of genomics and proteomics on the development of potential vaccines against meningococcal infection" pps

Tài liệu Báo cáo khoa học: "Learning to Find Translations and Transliterations on the Web" doc

... compute the frequency of all the candidates identified in all snippets, and output the one with the highest frequency. 4 Experiments and Evaluation We extracted the Wikipedia titles of English and ... translations in another language. By retrieving and identifying such translation counterparts on the Web, we can cope with the OOV problem. Consider the technical term named-entity recognition. The ... shows the evaluation 133 results. Interestingly, our system provides correct translations for over 50% of the cases, and at least partially correct almost 90% of the cases. 5 Conclusion and...

Báo cáo khoa học: Retrocyclin RC-101 overcomes cationic mutations on the heptad repeat 2 region of HIV-1 gp41 ppt

... with the region that binds HR1 upon 6HB formation. The strong afﬁnity of RC-101 for HR2 prevents the inter-action of HR1 and HR2, formation of the 6HB, and subsequent fusion of the host and viral ... representations were required forbio-computational experimentation: the HR1 and HR2regions of JR.FL and the h-defensin RC-101. In the context of computational data, the HR1 ⁄ HR2 nomenclature refersonly ... mutations, one was found in gp120 and oneeach in the HR1 and HR2 regions of gp41, and allthree mutations converted a polar or anionic residue toa cationic residue [14]. In addition, the cationic...

Báo cáo khoa học: What’s in a covalent bond? On the role and formation of covalently bound flavin cofactors doc

... between the electron-donating or electron-withdrawing properties of substituents at positions 7 and 8 on the isoalloxazine ring and the redox potential of the respective ﬂavin [61]. Although the ... low-ered upon removal of the covalent link between the ﬂavin and the polypeptide chain. The ﬁrst systematicstudy on the effect of covalent ﬂavinylation on the redox potential, kinetic behavior and ... pKa(or rate of deprotonation) of the 8-methyl proton should be afunction of the electron afﬁnity (i.e. redox potential) of the isoalloxazine ring. Alternatively, the attack by the nucleophilic...

Báo cáo khoa học: Accessory proteins functioning selectively and pleiotropically in the biosynthesis of [NiFe] hydrogenases in Thiocapsa roseopersicina docx

... genes(pBRKCDE), and the other one contained only the hypC1DE genes (pBRCDE). The presence of the pleiotropichypE gene in the constructs was necessary because of the possible polar effect of the transposon. ... out the post-translational modiﬁcation of the C-terminus of the large subunit [29,30] during the maturation of the stable HynSL hydrogenase in T. roseo-persicina.Cotranscription of hupK and hypC1DE The ... order to complement the straincarrying a hypD::Km mutation (M442). The two constructsdiffered from each other in the hupK gene and its regulatoryregion. One of them contained the hupK-hypC1DE...

Báo cáo khoa học: "A Tradeoff between Compositionality and Complexity in the Semantics of Dimensional Adjectives" potx

... operation, the Waltz algorithm is sound. The completeness, termination and time complexity of the algorithm depends on what kinds of relations appear as constraints in the system, and on the ... constraints on the measurements of the ob- ject axes (the width of the fridge, the depth of the cupboard, and so on) , which are represented as pa- rameters in a constraint system. Then constraint ... constraints are taken off the queue. The results for systems consist- ing exclusively of one of the three kinds of relations mentioned in (7)-(8) in section 2 are given in Table 3, under the...

báo cáo khoa học: " Using single cell cultivation system for on-chip monitoring of the interdivision timer in Chlamydomonas reinhardtii cell cycle" pps

... duringcell growth at continuous lighting conditions (L1L2) on the duration of the interdivision phase by the Figure 8 Produ ct of the rate of cell volume increase and the duration of interdivisio n ... TLis the duration of the light exposure.V(TLD)/V(0) is the ratio of the final cell volume to the initial cell volum e, TLDis the interdivision phase dura-tion under the LD condition, and ... of photosynthetically active radiation (PAR) and the extent of illumination, the length of the interdivision phase was inversely proportional to the rate of increase of cell volume. Their productremains...

Tài liệu Báo cáo khoa học: Brain angiogenesis in developmental and pathological processes: therapeutic aspects of vascular endothelial growth factor doc

... neuron degenerationIn 2001, Oosthuyse et al. [18] reported that deletion of the hypoxia-response element of the VEGF-A genepromoter and a reduction in VEGF-A expressioncause the degeneration of ... ª 2009 The Author Journal compilation ª 2009 FEBS 4639[3]. The BBB mainly consists of a strong interactionbetween vascular endothelial cells and astrocytes, and the tight junctions of vascular ... tissueﬂuid and edema in the brain may be dangerousbecause the volume of the brain tissue is tightly limitedby the cranial bone. This limitation is unique amongtissues in the body, and the risk of...

Tài liệu Báo cáo khoa học: "Parsing, Projecting & Prototypes: Repurposing Linguistic Data on the Web" doc

... 2009).Running the new IGT detection on the original threethousand ODIN documents, the number of IGT in-stances increases from 41,581 to 189,244. We then ran the new language ID algorithm on the IGTs, and ... results by SVM and CRF learners are similar. The detailswere reported in (Xia and Lewis, 2008).Table 1: The language distribution of the IGTs inODINRange of # of # of IGT % of IGTIGT instances ... “construc-tion” searches.23.1 IGT detection The canonical form of IGT, as presented in Section 2.1,consists of three parts and each part is on a single line.However, many IGT instances, 53.6% of instances...

Báo cáo khoa học: "a Chat-oriented Dialogue System based on the Vector Space Model" ppt

... from the scripts: speakers, utterances and context. The speaker and utterance elements contain information about the characters who speak and what they said at each dialogue turn. On the other ... hand, context elements contain all the additional information (explanations and descriptions) appearing in the scripts. 39mistakenly stored in the data collection as an utterance during the ... Before performing the vectorization, word toke-nization was conducted. In this step, all punctua-tion marks were removed, with the exception of the question “?” and exclamation “!” marks. Simi-larly,...

Báo cáo khoa học: "Categorial Fluidity in Chinese and its Implications for Part-of-speech Tagging" pptx

... it upsets the compactness and the organisa-tion of the lexicon.4.2 The TagsetHence even if the ambiguities are still in the tran-sitional stage and should not be kept in the lexi-con, it is ... design of the tagset. In thatcase the final lexicon would be theoretically valid on the one hand, and the tagged corpus would be of practical use for NLP tasks (e.g. parsing) on the other. In ... resulted from continu-ous revision based on our experience of actuallytagging the corpus and observation of the cate-gorial fluidity phenomenon. The tagging task is ongoing with the latest re-vised...

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