the basic structure of noun phrases

... for semantic understanding of noun phrase queries Assuming that the intent class c ∈ C of a query is known, we cast the problem of extracting the semantic structure of the query into a joint segmentation/classification ... goal of this work is to identify the semantic labels of IMs, i.e., the attribute names they implicitly refer to We use Ac to denote the set of IM semantic labels for the intent class c Other ... closely related to that of linguistic head nouns and modifiers for noun phrases In many cases, the IHs of noun phrase queries are exactly the head nouns in the linguistic sense Exceptions mostly occur...

Ngày tải lên: 20/02/2014, 04:20

... , is defined as the ratio between the number of occurrences of a relation r in the presence of feature pair fij over the number of occurrences of feature pair fij in the corpus The most probable ... contribution the features exemplified in one baseline and six versions of the SVM model The baseline is defined only for the English part of the NP feature set and measures the the contribution of the WordNet ... verbal, from which the preposition of has a coverage of 82.20% The many-to-many mappings of the prepositions (especially of/ de) to the semantic classes adds to the complexity of the interpretation...

Ngày tải lên: 17/03/2014, 04:20

... supplied with the knowledge of noun phrases in the English courses Moreover, it is a helpful way to check the comprehension of noun phrases and how the knowledge of noun phrases is applied in the performance, ... may face are the following: the comprehension of the ST, the transference of meaning between the two languages and the assessment of the TL Thus, the competence or comprehension of the SL is one ... In other words, it 25 examines whether the instrument is a true reflection of the theory of the trait being measured In the comprehension test design, the noun phrases are underlined and the...

Ngày tải lên: 27/11/2015, 18:33

... Because of the nagative transfer of their mother tongue in the use of noun phrase, they translate word by word Whats more, they not master the orders of words to form noun phrases in English so they ... like: the function of noun phrases, role of noun phrases, or components of noun phrases However, all definitions include some common features such as components and their relationships of noun phrases ... language There are two kinds of CA: the contrast of languages and the contrast of signs The contrast of languages is comparing one language to another, of which is the base and the other is the means...

Ngày tải lên: 14/12/2013, 00:40

... take the use of the special structure of the Einstein equations one step further by deriving unexpected regularity properties of optical functions which are essential in the proof of the Main Theorem ... fundamental for the proof of Theorem 2.5 In Section we obtain some crucial properties of the components of the Riemann curvature tensor Rαβγδ The remaining sections are occupied with the proof of the Asymptotics ... derivatives of the traceless part of χ A similar observation holds for another null component of the Hessian of the optical function, η The role of the Raychaudhuri equation is taken by the transport...

Ngày tải lên: 16/02/2014, 05:20

... in the crystal, and a mixture of monomeric and dimeric forms in solution [18] Therefore, the available structural data suggest Fig Ribbon representation of the overall structure of hACMSD The ... as the amino acid numbers The alternative conformations of the Trp–Met couple can be observed; the arrows indicate the unidirectional movement of the two protein residues upon ligand binding The ... on the hACMSD crystals using the same beamline, clearly indicated the presence of a Zn metal ion bound to the enzyme Analysis of the diffraction data set allowed us to assign the crystal to the...

Ngày tải lên: 18/02/2014, 06:20

... modifier” We did not collect queries of the form “modifier joining term head”; in the majority of paraphrases of noun phrases the head noun occurs before the modifying word As well as trying ... set of semantic relations defined by Nastase and Szpakowicz (2003), they achieve an accuracy of 45.7% for the task of assigning one of semantic relations to each of the 600 modifier -noun phrases ... examining which phrases most commonly occurred between two nouns in 82 the BNC We counted the frequencies with which phrases occurred between two nouns and chose the 28 most frequent of these phrases...

Ngày tải lên: 20/02/2014, 12:20

... Why is there such a considerable discrepancy between the number of noun phrases that can be translated as noun phrases into English and noun phrases that are translated as noun phrases? The main ... about the translation of noun phrases They constitute soft constraints that may be overruled by other components of the system   § ¨ © Web n-Grams 4.3     4.2 the actual frequencies as features The ... translate noun phrases in foreign texts into noun phrases in English?   To understand the behavior of noun phrases in the translation process, we carried out a study to examine how they are translated...

Ngày tải lên: 20/02/2014, 16:20

... reported X-ray structure of bovine SOD [32] The structure is also similar to the solution structure of the monomeric mutants with the exception of the significantly better definition of the first part ... percent of the backbone 13C resonances were assigned and about 86% of the 13C side-chain resonances All the ring protons of the histidines of the active site and of His43 were assigned through the ... respectively, for the backbone of the two subunits The difference between rmsd of monomeric and dimeric species is due to the indetermination of the reciprocal orientation of the two subunits The average...

Ngày tải lên: 21/02/2014, 03:20

... the overall structure is shown in Fig 3A The enzyme exists as a dimer of the abc heterotrimer There is a noncrystallographic twofold axis around the center of Fig 3A The structure of an abc heterotrimer ... irradiation [59] Therefore, we believe that the structure reported in this paper is also that of the glycerol dehydrataseÆcob(II)alamin complex The dihedral angle of the northern and southern least-squares ... 4C indicates the comparison of the position of the a-acetamide side chain of pyrrole ring A of the corrin ring in the glycerol dehydratase-bound cobalamin (Fig 4Ca) with those in the diol dehydratase-bound...

Ngày tải lên: 21/02/2014, 03:20

... established Of two possible dimeric structures of LPL, the head-tohead and the head-to-tail models, the studies of the chimeric proteins of hepatic lipase and LPL and the tandem repeat approach of LPL ... modeling of the dimeric structure of LPL Two dimeric model structures of LPL were constructed using INSIGHT II version 2000 on a Silicon Graphics workstation The model structure of the closed ... domain held coordinately by the two subunits on the top of the hollow (Fig 1A) The model structure of the C-terminal domain illustrates two features One is a lining-up of basic residues (Arg405,...

Ngày tải lên: 21/02/2014, 15:20

... of further analysis The Structure of Agriculture The structure of agriculture” is a broad phenomenon involving both the characteristics of farms (the system of agricultural production) and the ... 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 ... influenced the structure of U.S agriculture and, if so, how The Committee to Review the Role of Publicly Funded Agricultural Research on the Structure of U.S Agriculture was asked to assess the role of...

Ngày tải lên: 06/03/2014, 15:20

... matches to the consensus the full-length HOP, they act to facilitate the assembly of multichaperone regulatory complexes The structural independence of these TPR domains, and the presence of independent ... Crystal structure of NlpI A B C D Fig 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 ... as the N-terminus of the mature, 276 residue, membrane-anchored protein [22] The identity of the residue at the +2 position (Ser20) in the mature protein suggests that NlpI is not retained at the...

Ngày tải lên: 07/03/2014, 16:20

... 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 the frequencies for the ... where j is the index to the jth element of s, i indexes the rows of the data matrix F, and n is the total number of rows in cluster G If s is interpreted in terms of the semantics of the matrix ... interpretation of the cluster tree, therefore, is to work through the levels of the tree from the top, constructing and comparing thematic profiles for the subclusters at each level as far down the tree...

Ngày tải lên: 08/03/2014, 04:22

... Accordingly, the present data on the molecular mass of the native Hb complex as well as the Hb subunits are inconsistent In addition, there are only two hypothetical models concerning the structure of the ... [2,4,8,11,12,42] offers the chance to relate the structure and function of this interesting molecule The present study has contributed to this approach: (a) the determination of the molecular mass of the ... increase the solubility of proteins [52], as in the case of vitellogenin from the decapod crustacean Cherax quadricarinatus [54] A localization of the pre-A segments in the center of the Hb macromolecule...

Ngày tải lên: 16/03/2014, 13:20

... for the original In the case of books and other printed matter, the copier may not be able to match the quality of paper or binding of the original or the crispness of the printing, and there ... restricting the use of the property, and if so this is as much a cost of the property right as the cost of the fence is Suppose the owner of a shopping center does charge for the use of his parking ... division would be giving the head of a recovered statue to the finder and the rest of the statue to the original owner In the case discussed by Holmes, the owner of the safe owned the banknotes Suppose...

Ngày tải lên: 16/03/2014, 15:20

... efficiency of transfer is determined both by the orientation of the energy transfer partners and by the distance between them [28] The fact that the efficiency of transfer varies with the 6th-power of the ... expressed as the ratio of the distance ‘r’ separating the donor and the acceptor over the distance resulting in 50% of the maximal efficacy (R0) As indicated by the Forster equation, the efficiency of ¨ ... assessing the effect of ligand-binding on the quaternary structure of the receptors, the possibility that the antibodies could inhibit binding to the receptor also needs to be controlled Finally, the...

Ngày tải lên: 16/03/2014, 22:20

... very complex structures By (3)–(5), the generation of word structures is exactly the same as that of ordinary phrase structures Hence the probabilities of these words can be defined in the same way ... S(s) where R is the root part -of- speech headed by the word r, and S is the suffix part -of- speech headed by s If the head of this word is its suffix, then we can define the probability of w by Pr(w) ... parse tree T , if we denote the set of lexicalized phrase structures in T by C, the set of lexicalized word structures by W, and the set of unknown flat words by F, then the joint probability Pr(T,...

Ngày tải lên: 17/03/2014, 00:20

... are either distorted or the access of a cation to the site is blocked by the presence of a side chain of a basic residue In case of the IIAB site (Fig 2), the acidic residue acting as the bidentate ... crystal structure of Anx(Gh1) from cotton emphasizes the high conservation of the unique annexin fold even among the members of the plant subfamily of annexin proteins The fold is comprised of the ... residue in the present structure is somehow halfway between the loop-in and the loop-out position of the bell pepper annexin Fig The three-dimensional structure of Anx(Gh1) (A) The fold of Anx(Gh1)...

Ngày tải lên: 17/03/2014, 03:20

... pleased with the result." The processing of the (indexical) LF of a new utterance always begins with the root node of the current tense tree (structure) in focus The processing of the top-level ... traversal of trees and the addition of new tokens is simply and fully determined by the logical forms of the sentences being interpreted The major advantage of tense trees is that they allow ... among E, R and S, but rather by successively taking account of the meanings of the nested pres, futr and perf operators in the LF of the sentence As it happens, each of those operators implicitly...

Ngày tải lên: 17/03/2014, 08:20