Tài liệu Báo cáo khoa học: "Computationally Efﬁcient M-Estimation of Log-Linear Structure Models∗" doc

... arbitrarycontiguous tree substructures can be computed asproducts of probabilities of rules appearing withinthe structure, factoring in the o value of the struc-ture’s root and the i values of the structure s ... generalterm M-estimation to refer to the minimization of (w) as a way of training a log-linear model.4 Algorithms for Models of Sequences andTreesWe discuss here some implementation aspects of theapplication ... Computational LinguisticsComputationally Efﬁcient M-Estimation of Log-Linear Structure Models∗Noah A. Smith and Douglas L. Vail and John D. LaffertySchool of Computer ScienceCarnegie Mellon UniversityPittsburgh,...

Tài liệu Báo cáo khoa học: Active and regulatory sites of cytosolic 5¢-nucleotidase doc

... transfer of phosphate esteriﬁed in the 5¢ position of 6-hydroxypu-rine monophosphate nucleosides [1]. The transfer of phosphate can lead to phosphorylation of inosine,guanosine and a number of their ... disappearance of theheavier inactive peak. Furthermore, FPLC analysis of the recombinant wild-type cN-II showed the presence of the tetrameric active form irrespective of the pres-ence of effectors. ... alteration of this ratio for amutant was considered as caused either by an alteration of the Kmvalue for one of the two substrates or by a variation of the kcatvalue for one of the two activities....

Tài liệu Báo cáo khoa học: Structural bases for recognition of Anp32⁄LANP proteins doc

... indicating thatABFig. 1. Solution structure of the LRRdomain of murine Anp32a. (A) NMR bundle of the 10 best structures in terms of energy. (B) Average structure as obtainedby theWHEATSHEAF ... sub-unit of PP2A as modeled by comparison with the U2A¢–U2B¢¢complex. The other two subunits shield most of the surface of PP2A–C. (B) Structure of the U2A¢–U2B¢¢ complex [20].Study of the interactions ... andcompared its features with those of our structure. Rec-ognition of the two molecules occurs by ﬁtting a helix of U2B¢¢ (residues 25–35) into the concave surface of the U2A¢ LRR (Fig. 4). The size...

Tài liệu Báo cáo khoa học: Steady-state kinetic behaviour of functioning-dependent structures docx

... concentration, s1,ofS1, the absolutevalues (positive) of the steady-state rate of transforma-tion of S1into S3is calculated as corresponding toboth the rate of consumption of S1, v(s1), ... that the occur-rence of terms representative of the assembly and disassembly of FDSs inthe classical expression of the density of entropy production are character-istic of living systems.AbbreviationFDS, ... of transformation of S1into S3is calculated as corresponding to both the rate of consumption of S1, v(s1), and the rate of production of S3, v(s3), and the shape of the curves {s1,...

Tài liệu Báo cáo khoa học: Bioinformatic and enzymatic characterization of the MAPEG superfamily doc

... set of sequences of all superfamilymembers. To also visualise the more general relationships of the families included in MAPEG an unrooted consensustree was produced. The consensus sequences of ... (1996) Sequence analysis of the gen-ome of the unicellular cyanobacterium Synechocystis sp.strain PCC6803. II. Sequence determination of theentire genome and assignment of potential protein-cod-ing ... origin of these forms dates back to beforethe occurrence of vertebrates, i.e. more than 500 mya.This dates the differentiation of the MAPEG formsback to the late Cambrian multiplicity of eukaryoticspecies....

Tài liệu Báo cáo khoa học: "Subjectivity and Sentiment Analysis of Modern Standard Arabic" doc

... native speakers of Arabic annotated 2855 sentences from Part1 V 3.0 of the PATB. The sentences make upthe first 400 documents of that part of PATBamounting to a total of 54.5% of the PATBPart ... newlydeveloped manually annotated corpus of Mod-ern Standard Arabic (MSA) together with anew polarity lexicon.The corpus is a collec-tion of newswire documents annotated on thesentence level. ... expression of opinions, evaluations, feelings, and speculations(Banfield, 1982; Wiebe, 1994) and thus incorporatessentiment. The process of subjectivity classificationrefers to the task of classifying...

Tài liệu Báo cáo khoa học: "A Finite-State Model of Human Sentence Processing" docx

... adequate account of recur-sive syntactic structure is an essential component of any model of the behaviour. In this study, wetested a bigram POS tagger on different types of structural ambiguities ... composed of featureslike POS, the number of complements, category of each complement, and the position of comple-ments. In their view, structural disambiguationis simply another type of lexical ... pair of sentences. Comparatively faster or larger drop of probability is expected to be a good indicator of comparative processing difﬁculty. Probability re-ranking, which is a simpliﬁed model of...

Tài liệu Báo cáo khoa học: "Acceptability Prediction by Means of Grammaticality Quantiﬁcation" doc

... grammaticality of theinput. In other words, instead of deciding on thegrammaticality of the input, we can give an indica-tion of its grammaticality, quantiﬁed on the basis of the description of the ... ConstNP{Det, AP, N, Pro}(set of possible constituents of NP)In PG, each category of the grammar is de-scribed with a set of properties. A grammar is thenmade of a set of properties. Parsing an ... choosingthe most adequate structures) or to ﬁnd the best structure among a set of solutions (in case of non-deterministic approaches). Likewise the descrip-tion of cognitive processes involved...

Tài liệu Báo cáo khoa học: Mapping the functional domain of the prion protein docx

... deletions of two of the helicaldomains of the PrP protein, also possessed a high content of helical structure. Activity domains of PrPThis body of research has provided two sets of resultsconcerning ... activity of PrP.Production of deletion mutants of PrPOn the basis of the results with antibodies, a series of PrPmutants were made to assess whether deletions of certaindomains of the protein ... Gerstmann–Stra¨ussler–Scheinker syndrome[6]. All of these disease are linked together because of thedeposition of an abnormal, protease-resistant isoform of theprion protein in brains of individuals with these diseases.This...

Tài liệu Báo cáo khoa học: "ON THE AUTOMATIC TRANSFORMATION OF CLASS MEMBERSHIP CRITERIA" docx

... application discussed here (the assignment of an instance of a knowledge structure to one of a set of classes), inexact matching and close relatives thereof are also found in several other domains ... by means of a process of ~ inmtRntlat~nn OF the deflnition the translation of the de/initlon f~'om a set of criteria for satisfying the definition into an exemplary instance of the concept ... transforming the set of criteria, through a process of symbolic instantiation, into a kind of prototypical instance, or exemplary member of the class. This permits the use of a simple matching...

Xem thêm

Từ khóa: Nghiên cứu sự biến đổi một số cytokin ở bệnh nhân xơ cứng bì hệ thống Báo cáo quy trình mua hàng CT CP Công Nghệ NPV Một số giải pháp nâng cao chất lượng streaming thích ứng video trên nền giao thức HTTP Biện pháp quản lý hoạt động dạy hát xoan trong trường trung học cơ sở huyện lâm thao, phú thọ Nghiên cứu, xây dựng phần mềm smartscan và ứng dụng trong bảo vệ mạng máy tính chuyên dùng Nghiên cứu về mô hình thống kê học sâu và ứng dụng trong nhận dạng chữ viết tay hạn chế Nghiên cứu khả năng đo năng lượng điện bằng hệ thu thập dữ liệu 16 kênh DEWE 5000 Định tội danh từ thực tiễn huyện Cần Giuộc, tỉnh Long An (Luận văn thạc sĩ)Thơ nôm tứ tuyệt trào phúng hồ xuân hương Thiết kế và chế tạo mô hình biến tần (inverter) cho máy điều hòa không khí Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vật chuong 1 tong quan quan tri rui ro Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vật Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vật Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vật Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vật Đổi mới quản lý tài chính trong hoạt động khoa học xã hội trường hợp viện hàn lâm khoa học xã hội việt nam HIỆU QUẢ CỦA MÔ HÌNH XỬ LÝ BÙN HOẠT TÍNH BẰNG KIỀM TÁI CHẾ NHỰA VÀ QUẢN LÝ CHẤT THẢI Ở HOA KỲ QUẢN LÝ VÀ TÁI CHẾ NHỰA Ở HOA KỲ