an improved scheme for synchronous traffic

... to derive an analysis of a new utterance, and • a definition of a probability model that indicates how the probability of a new utterance analysis is computed In defining a DOP model for LFG representations, ... o o t , it also removes the φ links of the deleted nodes and erases any semantic form that corresponds to any of those nodes For instance, if the NP in figure is selected as a frontier node, ... Leiden, The Netherlands R Bod and R Kaplan, 1998 "A Probabilistic Corpus-Driven Model for Lexical Functional Analysis", Proceedings COLING-ACL'98, Montreal, Canada R Bonnema, R Bod and R Scha, 1997...

Ngày tải lên: 20/02/2014, 18:20

... by discourse analysts and researchers in the field of English for Specific Purposes, for tasks as varied as teaching English as a foreign language, human translation and citation analysis (Myers, ... guidelines to make the scheme applicable to reliable annotation for several non-discourse analysts (and for potential automatic annotation) For the development of our scheme, we used computational ... the annotation scheme (basic vs full) can be learned by human coders with a significant amount of training We are interested in two formal properties of the annotation scheme: stability and reproducibility...

Ngày tải lên: 22/02/2014, 03:20

... Natural Language U n d e r s t a n d i n $ , by B W e b b e r and R Bobrow, BBN Report No 3878, Belt Beranek and Newman, Inc., Cambridge, MA, 1978 and C o n c l u s i o n Hayes, P and G Mouradian, ... a semantic i n t e r p r e t a t i o n for the partial parse found or to veto that partial parse This should aid performance ~ Summary Bobrew, D., R Kaplan, M Kay, D Norman, H Thompson and T ... ellipsis, an extension for inputs of different types, such as fragmentary answers to questions, and an extension for e x p a n s i o n ellipsis Hendrix, G., E Sacerdoti, D S a g a l o w i c z and J...

Ngày tải lên: 08/03/2014, 18:20

... coordinates and the physical coordinate and let the general transformation be given by ξ = ξ(x, y, z) ; η = η(x, y, z) ; ζ = ζ(x, y, z) then the governing equation (5) can be transformed as: ˆ ... yd is distance to the wall and uτ is friction velocity fµ = 1.0 − exp(0.0115y+ ) ; RT = Similar to Equations (1), Equations (21) and (22) are put into non-dimensional form and transformed into ... difference for unsteady term, the first-order upwind difference for convective term and the second-order central difference for viscous terms Because the equations for k and ε are much stiffer than the...

Ngày tải lên: 28/03/2014, 13:20

... Mushahwar IK: Improved detection systems for TT virus reveal high prevalence in humans, non-human primates and farm animals J Gen Virol 1999, 80:2115-2120 Vaidya SR, Chitambar SD, Arankalle VA: ... microfiltration membranes, is more challenging than removal of bacteria [27-32] In addition, many enteric viruses are more resistant than bacteria to disinfection with chlorine and ultraviolet radiation ... variety of human tissues and fluids, including plasma and serum [64-68] Many attempts have been made to assign a pathology to TTV, but none have been substantiated In fact, Griffiths [69] and Simmonds...

Ngày tải lên: 20/06/2014, 01:20

... Journal on Advances in Signal Processing GOT and the Convergence Conditions for the Reconstructed Order Waveforms 2.1 Discrete Gabor Transform and Gabor Expansion GOT is based on the transform pair ... 1999 u [3] M C Pan and C X Wu, “Adaptive Vold-Kalman filtering order tracking,” Mechanical Systems and Signal Processing, vol 21, no 8, pp 2957–2969, 2007 [4] S Qian, “Gabor expansion for order tracking,” ... [7] S Qian, Introduction to Time-Frequency and Wavelet Transforms, Prentice Hall, Upper Saddle River, NJ, USA, 2002 [8] S Qian and D Chen, “Optimal biorthogonal analysis window function for discrete...

Ngày tải lên: 21/06/2014, 07:20

... 577–685, 1989 T F Chan and L A Vese, “Active contour and segmentation models using geometric PDE’s for medical imaging,” CAMreport 00-41, University of California: Los Angeles, Los Angeles, Calif, ... CT images,” Journal Korean Institute of Plant Engineering, pp 1–17, 2003 L A Vese and T F Chan, “A multiphase level set framework for image segmentation using the Mumford and Shah model,” Internation ... applied for this purpose Note that the piecewise-constant MS functional works better for homogeneous regions and, in theory, robust, hence it is the best appropriate candidate to be used for the...

Ngày tải lên: 22/06/2014, 22:20

... abundant mRNA Ideally, a reference sequence for a gene would include all relevant spliced transcripts necessary for variant reporting, reducing the risk that an effect of the variant on an alternatively ... [44], and the cystic fibrosis transmembrane conductance regulator gene (CFTR) having exons designated 6a, 6b, 14a, 14b, 17a and 17b [45] incomplete (and sometimes outdated and inappropriate) annotation ... standalone form and through the API used by the LOVD variant database system, have made the process of correctly naming variants relative to all annotated transcripts and protein isoforms much...

Ngày tải lên: 11/08/2014, 12:20

... broad and relevant intervals (Materials and methods) For each set of parameters, we generated a series of artificial chromosomes and assessed the detection performance, delineation performance and ... this method lies in that it combines significantly improved detection performance with an enhanced ability to delineate relevant regions The explanation for these improvements is two-fold First, ... colorectal cancer Cancer Res 2006, 66:2129-2137 Wang Q, Diskin S, Rappaport E, Attiyeh E, Mosse Y, Shue D, Seiser E, Jagannathan J, Shusterman S, Bansal M, Khazi D, Winter C, Okawa E, Grant G, Cnaan A,...

Ngày tải lên: 14/08/2014, 08:20

... increasing demand for information in our society requires an easy way to access and process information Therefore data transmission and wireless computing are necessary services in any future system ... random variables result in a Gaussian distribution Hence, if N is large enough, x(t) and y(t) can be characterized as two independent Gaussian random processes with zero means and common variance ... independent Gaussian noise sources are used to produce inphase and quadrature fading branches After the Doppler filters, each branch of the original Gaussian random processes is transformed into another...

Ngày tải lên: 28/09/2015, 13:28

... mengurangkan kejituan saluran dijangka Selanjutnya, penganggaran saluran ini kemudian digunakan untuk menguji kesan penganggaran pandu menggunakan teknik penganggaran yang berbeza seperti Ralat Ganda ... ketahanannya terhadap Gangguan Antara Simbol (ISI) pembangunan penerima cekap dengan teknik penganggaran saluran yang tepat sangat penting untuk memudahkan ramalan isyarat yang diterima Pemodulatan ... interpolasi yang lain dalam saluran pemudaran Rayleigh menggunakan penganggaran saluran jenis sikat Simulasi menunjukkan bahawa teknik interpolasi yang dicadangkan berupaya menganggarkan saluran jauh...

Ngày tải lên: 26/05/2013, 21:28

... new mutant (Y210C, A290T, A296T) was used as template for a second cycle of mutagenesis and selection (10 000 mutants) It afforded 351 novel candidate strains After rescreening, 10 mutant proteins ... that was performed using an enzyme ⁄ substrate ratio of : 0.7 The reaction was characterized by a decrease in absorbance at 252 nm and an apparently synchronous increase in absorbance at 292 ... can be conducive to subtle deformations of the activesite cavity This could be conducive to a lowered ligand-binding affinity predominantly caused by an increased off-rate for both substrate and...

Ngày tải lên: 18/02/2014, 11:20

... rules For instance, proper names and pronouns (which the ERG analyses as scopebearers, although they can be reduced to constants without scope) can be permuted with anything Indefinites and definites ... configuration from a chart and are small in practice (see (Koller and Thater, 2005b) for an analysis) Thus the chart can still serve as an underspecified representation ing form: f1 (x[1,i) , f2 (y[1,k) ... other underspecification formalisms) efficiently (Koller and Thater, 2005b) We evaluate the performance of the algorithm on the Rondane treebank and show that it reduces the median number of readings...

Ngày tải lên: 20/02/2014, 12:20

... parse candidates can be evaluated and compared We use features of both the candidate parse and the ignored parts of the original input sentence The features are designed to be general and, for the ... better handled by a domain dependent semantic analyzer that would follow the parser, we have attempted to partially handle this problem using a simple filtering scheme The filtering scheme' s ... combination The weights used in this scheme are adjustable, and can be optimized for a particular domain a n d / o r grammar The parser then selects the parse ranked best (i.e the parse of lowest...

Ngày tải lên: 20/02/2014, 21:20

... Grishman 2001 Automatic Pattern Acquisition for Japanese Information Extraction In Proceedings of the Human Language Technology Conference (HLT2001) Roman Yangarber, Ralph Grishman, Pasi Tapanainen, ... retrieved if any of the patterns match any portion of the document, and as random otherwise Thus, we can get the performance of text classification of the pattern matching system in the form of a ... extraction performance shows that this tuning has high correlation with the extraction performance (Spearman corwith 2% confidence) relation coefficient ¨ ¦¤ ¢ ©§¥£ ¡¦   3.5 Filtering For efficiency and...

Ngày tải lên: 23/03/2014, 19:20

... but rather P(ant | ent) And anticedent can more accurately be modeled by P(anti | ante), rather than P(i | e) By taking a more generic approach to error modeling, we can more accurately model ... algorithm for finding edit distance by filling a |s|*|w| weight matrix (Wagner and Fisher 1974; Hall and Dowling 1980), with only minor changes For computing the Damerau-Levenshtein distance between ... positional information and with a maximum context window of four, and used the language model to rescore the best word candidates returned by the error model Note that for the case of no language...

Ngày tải lên: 23/03/2014, 19:20

... diagram: Initiation Dispatcher handle_events() register_handler(h) remove_handler(h) uses Handle select (handlers); foreach h in handlers loop h.handle_event(type) end loop handlers N owns The Initiation ... each registered Event Handler and uses the Synchronous Event Demultiplexer to wait for events to occur on these Handles For instance, the TCP protocol layer uses the select synchronous event demultiplexing ... Integrating new or improved services, such as changing message formats or adding server-side caching, should incur minimal modifications and maintenance costs for existing code For instance, implementing...

Ngày tải lên: 30/03/2014, 16:20

... CO2 for days to allow for plaque formation Conventional staining and plaque determination for RSV neutralization Cells infected on transparent plates were fixed with a 50%:50% methanol:ethanol ... that the means and variability of the automatic and manual count were very similar Discussion The data presented here demonstrate agreement and equivalence between traditional manual and automated ... is also gaining notoriety as an important player in annual respiratory disease epidemics among healthy adults [3] Consequently, there is an obvious unmet need for an efficacious vaccine The development...

Ngày tải lên: 19/06/2014, 08:20