... identifying their semantic class, which is a primary focus of previous works, but also understanding their semantic structure. In this work, weformally define thesemanticstructure of nounphrasequeries ... extract the semantic structureofnounphrase queries, i.e., IHs, IMsand thesemantic labels of IMs. In particular, weinvestigate the use of transition, lexical, semantic and syntactic features. The ... for se-mantic understandingofnounphrase queries. As-suming that the intent class c ∈ C of a query isknown, we cast the problem of extracting the se-mantic structureofthe query into a...
... 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 ofthe data, and each of whose elements contains the mean of ... that the proposed methodology yields usable results in understandingthe Qur’an on the basis of its lexical semantics. 1 Introduction The Qur’an is one ofthe great religious books of the ... significant finding ofthe proposed methodology. The scaling ofthe ‘Allah’ variable dominates all the other variables. To gain resolution for the others, ‘Allah’ was eliminated from the lexical...
... an overview ofthe network process, whichcan then act as a framework for understandingthe details of computer networking.Since the discussion of networking often includes talk of “extra layers”, ... com-bination ofthe 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 ofthe OSI model. The TCP/IP process layer, when used with TCP, provides the functions ofthe OSI model’s presentation andapplication...
... express εABRA43Bin the form curl/π(2)+ E(2).5. Strategy ofthe proof ofthe Asymptotics TheoremIn this section we describe the main ideas in the proof ofthe AsymptoticsTheorem.(1) Section ... given a detailed proof ofthe theorem by relying heav-ily on a result, which we have called the Asymptotics Theorem, concerning the geometric properties ofthe causal structureof appropriately ... I+0is the future domain ofthe originon Σ0.Remark 9.3. The proof of Corollary 9.2 requires an extension argument. The estimates ofthe Asymptotics Theorem, which are uniform with respectto the...
... present for the last four residues at the C-terminus. The stereochemistry ofthe model hasbeen assessed using the program procheck [23]. Ninetyper cent ofthe 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 ofthe overall structureof hACMSD. The (a ⁄ b)8barrel ... building using the program o [42].Approximately 7% ofthe randomly chosen reflectionswere excluded from refinement ofthestructure andused for the free R-factor calculation [43]. The pro-gram...
... resonanceswithout the concomitant appearance of other signalsin other parts ofthe spectrum. This result could be aconsequence ofthe paramagnetic properties of Fe(II),or it might arise from the presence of ... those ofthe 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 ofthe 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...
... identifying the pos-itive or negative semantic orientation of for-eign words. Identifying thesemantic 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 ofthe paper is structured as follows. Insection 2, we review some ofthe related prior work.We...
... student” OR “invention by the student” This returns the sum ofthe 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% ofthe examples; the smallest is “temporal”, which labels 9% ofthe ... between the frequency of the preposition in a paraphrase such as “storm in the desert” and the ease ofunderstanding that phrase. For example, the preposition &apos ;of& apos; is very frequent...
... The difference between rmsd of monomeric and dimeric speciesis due to the indetermination ofthe reciprocal orientation of the two subunits. The average total penalty for the REMfamily ofthe ... was used to back calculate the NOESYcross-peaks from the calculated structure to assess the quality ofthe 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 ofthe monomeric state was investigated andcompared with that of the...
... A˚resolution by the molecular replacement method. The schematic view ofthe overall structure is shown in Fig. 3A.Theenzymeexistsasadimeroftheabc heterotrimer. Thereis a noncrystallographic twofold axis ... twofold axis around the center of Fig. 3A. Thestructureof an abc heterotrimer unit is shownin Fig. 3B. The central region ofthe 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 ofthe glyceroldehydrataseÆcob(II)alamin complex. The dihedral angle of the northern and southern least-squares...
... 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 ofthe complexes of ... on the crystal structures ofthe 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 ofthe dimeric structureof LPL. Two dimeric model structures of LPL were constructed usingINSIGHT IIversion 2000 ona Silicon Graphics workstation. The model structureofthe closed...
... secure the services of eminent members of appropriate professions in the examination of policy matters pertaining to the health ofthe public. The Institute acts under the responsibility given to the ... president ofthe 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 ofthe National Research Council, whose members are drawnfrom the councils ofthe National Academy of Sciences,...
... showing the location of amyloidogenic mutations and position of b-strands. (A) The struc-ture ofthe polypeptide backbone ofthe two chains (purple andblue) is shown along with the location ofthe ... within a tissue and that the distribu-tion of TTR deposition reflects the presence of theseendogenous factors. In the case ofthe Ab protein of Alzheimer’s disease, a number of proteins and factors(pathological ... TTR destabilize the native structure ofthe tetramer and induce dissociation ofthe tetramerinto dimers and monomers. The gradual formation of a sufficiently high concentration of nuclei (possiblymonomers)...
... 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 thestructureof mature NlpI. (A) 10–20% gradient SDS ⁄ PAGE of NlpI expression products, showing the insolubility ofthe 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...
... to understand the struc-ture of each constituent. Note that the arbitrary ordering ofthe words in the query is a big chal-lenge to understandingthestructureofthe query. The problem is ... one ofthe motivations of parsing search queries is to have a deeper under-standing ofthestructureofthe query. The evaluation of such a deep model, however, is not an easy task. There ... linguistic structureof web search queries. The model’s power, however, comes at the cost of increased time complexity, which is exponen-tial in the length ofthe query. This, is less of an issue...