understanding the semantic structure of noun phrase queries
Tài liệu Báo cáo khoa học: "Understanding the Semantic Structure of Noun Phrase Queries" pptx
... identifying their semantic class, which is a primary focus of previous works, but also understanding their semantic structure. In this work, weformally define the semantic structure of noun phrase queries ... extract the semantic structure of noun phrase queries, i.e., IHs, IMsand the semantic labels of IMs. In particular, weinvestigate the use of transition, lexical, semantic and syntactic features. The ... for se-mantic understanding of noun phrase queries. As-suming that the intent class c ∈ C of a query isknown, we cast the problem of extracting the se-mantic structure of the query into a...
- 9
- 674
- 0
Báo cáo khoa học: "Understanding the thematic structure of the Qur’an: an exploratory multivariate approach" pdf
... another than to any other profile in the data set. The profiles of G can be summarized by a vector s whose dimensionality is that of the data, and each of whose elements contains the mean of ... that the proposed methodology yields usable results in understanding the Qur’an on the basis of its lexical semantics. 1 Introduction The Qur’an is one of the great religious books of the ... significant finding of the proposed methodology. The scaling of the ‘Allah’ variable dominates all the other variables. To gain resolution for the others, ‘Allah’ was eliminated from the lexical...
- 6
- 309
- 0
Tài liệu The OSI Model: Understanding the Seven Layers of Computer Networks ppt
... an overview of the network process, whichcan then act as a framework for understanding the details of computer networking.Since the discussion of networking often includes talk of “extra layers”, ... com-bination of the two. The nature of these stacks is that the lower layers do their work in hardware or firmware(software that runs on specific hardware chips) while the higher layers work in software. The ... and 5). Using UDP equatesto the functions of only the transport layer of the OSI model. The TCP/IP process layer, when used with TCP, provides the functions of the OSI model’s presentation andapplication...
- 11
- 542
- 0
Tài liệu Đề tài " The causal structure of microlocalized rough Einstein metrics " pptx
... express εABRA43Bin the form curl/π(2)+ E(2).5. Strategy of the proof of the Asymptotics TheoremIn this section we describe the main ideas in the proof of the AsymptoticsTheorem.(1) Section ... given a detailed proof of the theorem by relying heav-ily on a result, which we have called the Asymptotics Theorem, concerning the geometric properties of the causal structure of appropriately ... I+0is the future domain of the originon Σ0.Remark 9.3. The proof of Corollary 9.2 requires an extension argument. The estimates of the Asymptotics Theorem, which are uniform with respectto the...
- 50
- 407
- 0
Tài liệu Báo cáo khoa học: The crystal structure of human a-amino-b-carboxymuconatee-semialdehyde decarboxylase in complex with 1,3-dihydroxyacetonephosphate suggests a regulatory link between NAD synthesis and glycolysis ppt
... present for the last four residues at the C-terminus. The stereochemistry of the model hasbeen assessed using the program procheck [23]. Ninetyper cent of the residues fall in the most favouredregions ... Asp291(2.2 A˚) and the water molecule w1 (2.1 A˚) (Fig. 3A). The DHAP binding site protrudes from the metalN-terC-terFig. 2. Ribbon representation of the overall structure of hACMSD. The (a ⁄ b)8barrel ... building using the program o [42].Approximately 7% of the randomly chosen reflectionswere excluded from refinement of the structure andused for the free R-factor calculation [43]. The pro-gram...
- 9
- 796
- 0
Tài liệu Báo cáo khoa học: Understanding the binding properties of an unusual metal-binding protein ) a study of bacterial frataxin pdf
... resonanceswithout the concomitant appearance of other signalsin other parts of the spectrum. This result could be aconsequence of the paramagnetic properties of Fe(II),or it might arise from the presence of ... those of the others(Table 1). This is also in contrast with the sites identi-fied by Karlberg et al. in the trimeric structure of Tyr73Ala Yfh1 [34], none of which, apart from M5 of the Eu3+ structure, ... Details of the superimposition of the hydrophobic core of CyaY (blue) andCyaY–Eu complex (red). The side chains of the CyaY C-terminus rearrange as a long-range effect of binding. The figure...
- 12
- 704
- 0
Tài liệu Báo cáo khoa học: "Identifying the Semantic Orientation of Foreign Words" pdf
... identifying the pos-itive or negative semantic orientation of for-eign words. Identifying the semantic orienta-tion of words has numerous applications in the areas of text classification, analysis of ... where the attitude of participants in a discus-sion is inferred using the text they exchange.Due to its importance, several researchers haveaddressed the problem of identifying the semantic orientation ... English is useful forimproving the performance on other languages withlimited resources. The rest of the paper is structured as follows. Insection 2, we review some of the related prior work.We...
- 6
- 399
- 0
Tài liệu Báo cáo khoa học: "Semantic Classification of Noun Phrases Using Web Counts and Learning Algorithms" ppt
... student” OR “invention by the student” This returns the sum of the number of pages matched by each of these three exact queries. The idea is that these sensible paraphrases will return more ... the class “causal” for any of the examples. The largest class in our dataset is “participant”, which is the label for 43% of the examples; the smallest is “temporal”, which labels 9% of the ... between the frequency of the preposition in a paraphrase such as “storm in the desert” and the ease of understanding that phrase. For example, the preposition &apos ;of& apos; is very frequent...
- 6
- 622
- 2
Tài liệu Báo cáo khoa học: The solution structure of reduced dimeric copper zinc superoxide dismutase doc
... The difference between rmsd of monomeric and dimeric speciesis due to the indetermination of the reciprocal orientation of the two subunits. The average total penalty for the REMfamily of the ... was used to back calculate the NOESYcross-peaks from the calculated structure to assess the quality of the structure. The final family was made up of 30 structures with the lowest target function. ... NMRsolution structure [26,27] as well as the crystal structure [28] of the reduced form were re ported. Also the b ackbonemobility of the monomeric state was investigated andcompared with that of the...
- 11
- 575
- 0
Tài liệu Báo cáo khoa học: The crystal structure of coenzyme B12-dependent glycerol dehydratase in complex with cobalamin and propane-1,2-diol pptx
... A˚resolution by the molecular replacement method. The schematic view of the overall structure is shown in Fig. 3A.Theenzymeexistsasadimeroftheabc heterotrimer. Thereis a noncrystallographic twofold axis ... twofold axis around the center of Fig. 3A. The structure of an abc heterotrimer unit is shownin Fig. 3B. The central region of the a subunit constitutes the (b/a)8barrel, the so-called TIM (triosephosphateisomerase) ... X-rayirradiation [59]. Therefore, we believe that the structure reported in this paper is also that of the glyceroldehydrataseÆcob(II)alamin complex. The dihedral angle of the northern and southern least-squares...
- 11
- 602
- 0
Tài liệu Báo cáo Y học: Molecular modeling of the dimeric structure of human lipoprotein lipase and functional studies of the carboxyl-terminal domain docx
... tertiary structure. For the two dimeric models of LPL (the closed and openforms, Fig. 1), the active dimeric form of LPL in particularwas based on the cocrystallized structures of the complexes of ... on the crystal structures of the human, porcine, and horse PLs(Fig. 1). A frontal view illustrates the overall saddle shape of the dimeric structure and the key heparin-binding residuesin the ... modeling of the dimeric structure of LPL. Two dimeric model structures of LPL were constructed usingINSIGHT IIversion 2000 ona Silicon Graphics workstation. The model structure of the closed...
- 10
- 679
- 0
Publicly Funded Agricultural Research and the Changing Structure of U.S. Agriculture doc
... secure the services of eminent members of appropriate professions in the examination of policy matters pertaining to the health of the public. The Institute acts under the responsibility given to the ... president of the National Academy of Sciences. The National Academy of Engineering was established in 1964, under the charter of the National Academy of Sciences, as a parallel organization of outstanding ... 20418NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawnfrom the councils of the National Academy of Sciences,...
- 158
- 403
- 0
Báo cáo khoa học: Transthyretin and familial amyloidotic polyneuropathy Recent progress in understanding the molecular mechanism of neurodegeneration pdf
... showing the location of amyloidogenic mutations and position of b-strands. (A) The struc-ture of the polypeptide backbone of the two chains (purple andblue) is shown along with the location of the ... within a tissue and that the distribu-tion of TTR deposition reflects the presence of theseendogenous factors. In the case of the Ab protein of Alzheimer’s disease, a number of proteins and factors(pathological ... TTR destabilize the native structure of the tetramer and induce dissociation of the tetramerinto dimers and monomers. The gradual formation of a sufficiently high concentration of nuclei (possiblymonomers)...
- 14
- 488
- 0
Báo cáo khoa học: The crystal structure of NlpI A prokaryotic tetratricopeptide repeat protein with a globular fold potx
... First, the only structures of natural TPRs in the PDB (13 TPR-containing coordi-nate sets) consist of nonglobular, extended arrays of helices [9,10,13–21]. Second, the majority of these(11 structures) ... TPR1 and TPR2A of ABDCFig. 2. Solubility of NlpI constructs and the structure of mature NlpI. (A) 10–20% gradient SDS ⁄ PAGE of NlpI expression products, showing the insolubility of the 3-TPR construct ... ª 2004 FEBS the full-length HOP, they act to facilitate the assembly of multichaperone regulatory complexes. The struc-tural independence of these TPR domains, and the presence of independent...
- 14
- 433
- 0
Báo cáo khoa học: "Semantic Tagging of Web Search Queries" ppt
... to understand the struc-ture of each constituent. Note that the arbitrary ordering of the words in the query is a big chal-lenge to understanding the structure of the query. The problem is ... one of the motivations of parsing search queries is to have a deeper under-standing of the structure of the query. The evaluation of such a deep model, however, is not an easy task. There ... linguistic structure of web search queries. The model’s power, however, comes at the cost of increased time complexity, which is exponen-tial in the length of the query. This, is less of an issue...
- 9
- 352
- 0
Tìm thêm: hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam xác định các mục tiêu của chương trình xác định các nguyên tắc biên soạn khảo sát chương trình đào tạo gắn với các giáo trình cụ thể tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu nội dung cụ thể cho từng kĩ năng ở từng cấp độ xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct các đặc tính của động cơ điện không đồng bộ hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008 chỉ tiêu chất lượng 9 tr 25